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Polarity patents

      

This page is updated frequently with new Polarity-related patent applications.




 Voltage control device and voltage control method patent thumbnailnew patent Voltage control device and voltage control method
A voltage control device includes: a capacitor configured to supply power to a rotating electrical machine; an inverter connected to the rotating electrical machine; a transformer coupled booster including two voltage source inverters of which direct current terminals are connected in series to have additive polarity, and a transformer configured to couple alternate current terminals of the two voltage source inverters and having a predetermined leak inductance, wherein one of the two voltage source inverters is connected to the capacitor in parallel, and the transformer coupled booster outputs, to the inverter, a direct-current voltage which is a raised capacitor voltage of the capacitor; and a controller configured to generate and output an instruction value of the direct-current voltage at a time the rotating electrical machine is in a drive state and the output of the transformer coupled booster is less than a predetermined output.. .
Komatsu Ltd.


 Power harvesting circuit and applications thereof patent thumbnailnew patent Power harvesting circuit and applications thereof
A power harvesting circuit, a rectifier circuit and a capacitor. The rectifier circuit includes a diode circuit, a diode voltage reduction circuit, and a start up current circuit.
Rfmicron, Inc.


 Generator patent thumbnailnew patent Generator
Enclosed is the abstract of the invention. The abstract of the invention is that it is a hovering generator.

 Thin film transistor and  manufacturing the same patent thumbnailnew patent Thin film transistor and manufacturing the same
Embodiments of the present disclosure provide a thin film transistor (tft) and a method of manufacturing the same, which enables to decrease the vertical resistance from the source and the drain to the polarity inversion region, so that the current from the source and the drain to the polarity inversion region may be increased, thereby improving the performances of the tft. An active layer of the tft is provided with a first groove and a second groove which neither pass through the active layer.
Hefei Xinsheng Optolectronics Technology Co., Ltd.


 Solid-state imaging device patent thumbnailnew patent Solid-state imaging device
A solid-state imaging device includes a substrate, a photoelectric conversion section, a first impurity layer having a carrier polarity of a second conductivity type, a charge-to-voltage converting section, an amplifying section, and a second impurity layer having a carrier polarity of the second conductivity type. The second impurity layer is disposed in a region between the photoelectric conversion section and the amplifying section.
Sony Corporation


 Supercapacitor configurations with graphene-based electrodes and/or peptide patent thumbnailnew patent Supercapacitor configurations with graphene-based electrodes and/or peptide
One embodiment is an edlc with a capacitor cell that includes two electrodes of opposite polarity aligned in parallel, and a peptide separator disposed between the electrodes. The separator may be a peptide coating on an electrode surface.
Elbit Systems Land And C4i Ltd.


 Electronic device display with charge accumulation tracker patent thumbnailnew patent Electronic device display with charge accumulation tracker
An electronic device may generate content that is to be displayed on a display. The display may have an array of liquid crystal display pixels for displaying image frames of the content.
Apple Inc.


 Display device patent thumbnailnew patent Display device
A display device includes a first gate line extending in a first direction, a first pixel column group connected to the first gate line and alternately receiving data voltages with a first polarity pattern and data voltages with a second polarity pattern, which is an inverted polarity pattern of the first polarity pattern, at an interval of a unit of a frame, and a plurality of data lines respectively connected to a plurality of pixels included in the first pixel column group, wherein each of the pixels includes a first sub-pixel to which a first voltage is applied and a second sub-pixel to which a second voltage, which is lower than the first voltage, is applied and a maximum width, in the first direction, of the first sub-pixel is greater than a maximum width, in the first direction, of the second sub-pixel.. .
Samsung Display Co. Ltd.


 Liquid crystal display panel and device thereof patent thumbnailnew patent Liquid crystal display panel and device thereof
An lcd panel and an lcd device are provided. The lcd panel includes all pixels respectively defined by a plurality of data lines and a plurality of the scanning lines to form a plurality of pixel columns and a plurality of pixel rows.
Shenzhen China Star Optoelectronics Technology Co. Ltd.


 Claim polarity identification patent thumbnailnew patent Claim polarity identification
A method comprising using at least one hardware processor for: receiving (a) a proposition and (b) a plurality of claims; identifying a local claim polarity of each claim of the plurality of claims with respect to the proposition; calculating a pairwise claim polarity agreement score for each pair of claims of the pairs of claims reflecting the likelihood of said each pair of claims to have the same claim polarity, wherein the pairwise claim polarity agreement score is associated with each claim of the pair of claims; and determining a global claim polarity for each claim of the plurality of claims based on the local claim polarity of the claim and pairwise claim polarity agreement scores associated with said each claim.. .
International Business Machines Corporation


new patent

Fiber optic connector

A connector (10) includes two connector portions (12) and a boot (14). Each connector portion (12) includes a ferrule (78) and a latch (18).

new patent

Method and apparatus to commission voltage sensors and branch circuit current sensors for branch circuit monitoring systems

A system and method for a branch current monitoring system employing a 2-phase wye, a single-phase 3-wire or a single-phase 2-wire wiring configuration that is configured to identify a phase association and a polarity for a branch circuit current sensor using the phase angle between voltage and current. Also, a system and method for verifying phase association and polarity determinations for branch circuit current sensors that utilizes real and reactive power measurements..
Eaton Corporation

Superconducting magnet device

The superconducting magnet device reduces the number of connections within and/or the number of wires leading out of a superconducting coil winding and promptly starts expending the magnetic energy in a superconducting coil operating in a persistent-current mode when the superconducting coil increases in temperature or transitions to normal conductivity. This invention provides a superconducting magnet device that has the following: a superconducting coil connected to an excitation power supply; a persistent-current switch connected to the superconducting coil; a heater that controls the temperature of the persistent-current switch; a current source that is connected in parallel with the persistent-current switch and has a different polarity from the excitation power supply; a driving circuit connected to the heater and the current source; and a signal-inputting means for inputting a signal to the driving circuit.
Hitachi, Ltd.

Systems and methods for sram with backup non-volatile memory that includes mtj resistive elements

A memory device has an sram that stores a logic state. A first mtj has two terminals.
Freescale Semiconductor, Inc.

Liquid crystal display panel and grayscale voltage compensating method thereof

A liquid crystal display panel and a grayscale voltage compensating method thereof are provided. The compensating method includes: obtaining an actual voltage distribution of a common voltage on a common electrode; and compensating positive polarity grayscale voltages as well as negative polarity grayscale voltages of respective pixel electrodes according to the actual voltage distribution to make that: for a same grayscale value, a difference value between the compensated positive polarity grayscale voltage of each pixel electrode and the common voltage on an opposing position of the pixel electrode on the common electrode is equal to a difference value between the compensated negative polarity grayscale voltage of the pixel electrode and the common voltage on the opposing position.
Shenzhen China Star Optoelectronics Technology Co. Ltd.

Liquid crystal display device and driving method thereof

The disclosure is related to a liquid crystal display device, including a liquid crystal display panel and a gamma generator including a first storage unit storing a group of positive or negative gamma voltage values and a second storage unit storing a group of negative or positive gamma voltage values. The gamma generator periodically obtains the group of the positive or negative gamma voltage values, or the group of the positive or negative gamma voltage values according to a control of a polarity inversion signal.
Shenzhen China Star Optoelectronics Technology Co., Ltd.

Wearable device with adjacent magnets magnetized in different directions

A wearable device is provided with a wearable device structure. The wearable device structure includes a first end and a second end.
Hello Inc.

Method and social relation analysis and management

An approach is provided for analyzing social relation in an aspect of polarity. A method comprises collecting data associated with interactions between a first user and a second user in a social network; and estimating a polarity of a social relation between the first user and the second user based on the collected data, to indicate whether the social relation between the first user and the second user is positive, negative, or neutral..
Nokia Technologies Oy

Input apparatus, control input apparatus, apparatus and program causing computer to execute control input

An input apparatus includes a sensor section configured to include a plurality of detection units, and to control positive and negative polarities of a detection signal at each detection position, a control unit configured to generate a group of combined detection signals in which polarity patterns are different from each other, and a signal reproduction unit configured to reproduce signal levels of a group of detection signals on the basis of a group of combined detection signals and a group of polarity patterns, in which at least some of the plurality of detection units differ in the number of detection positions, and the control unit selects the group of polarity patterns according to the number of detection positions so that the number of positive polarities and the number of negative polarities included in each of the polarity patterns are similar to each other.. .
Alps Electric Co., Ltd.

Image forming apparatus having an image bearing member charged with predetermined polarity and potential

Fluctuations in chargeability in an initial state are expected to be small. If a charging member is new, an image forming apparatus performs a supply operation for supplying a developer or a lubricant prior to an image forming operation in such a manner that the developer or the lubricant adheres to a surface of the charging member..
Canon Kabushiki Kaisha

Method for clear delineation of wholesale and retail energy usage and activity involving energy storage devices

Systems and methods for isolated energy measurement are disclosed. A net current between a first point of a circuit and a second point of the circuit is detected based at least in part on a magnitude and a direction of a current provided by a first current transformer coupled to the first point and a magnitude and a direction of a current provided by a second current transformer coupled to the second point.
Powertree Services, Inc.

Amplifiers including tunable tunnel field effect transistor pseudo resistors and related devices

Neural signal amplifiers include an operational amplifier and a feedback network coupled between an output and an input thereof. The feedback network includes a tunnel field effect transistor (“tfet”) pseudo resistor that exhibits bi-directional conductivity.
Samsung Electronics Co., Ltd.

Voltage and temperature compensated device for physically unclonable function

Systems and methods for providing assistance for performing a physically unclonable function (puf) are provided. Disclosed systems can include a puf bitcell including at least two voltage-compensated proportional-to-absolute (ptat) generators, each of which can be configured to generate a first voltage and a second voltage that is different from the first voltage by a voltage difference.
The Trustees Of Columbia University In The City Of New York

Power conversion device and three-phase alternating current power supply device

Provided is a power conversion device including: a conversion device for each phase which converts dc voltage inputted from a dc power supply, to voltage having an ac waveform to be outputted to each phase with respect to a neutral point of three-phase ac; and a control unit which controls these conversion devices. Each conversion device includes: a first converter which has a dc/dc converter including an isolation transformer, and a capacitor, and which converts the inputted dc voltage to voltage containing a pulsating dc voltage waveform corresponding to the absolute value of the ac waveform to be outputted; and a second converter which is provided at a stage subsequent to the first converter and has a full-bridge inverter, and which inverts the polarity of the voltage containing the pulsating dc voltage waveform, per one cycle, thereby converting the voltage to voltage having the ac waveform..
Sumitomo Electric Industries, Ltd.

Dc-dc converter

In a dc-dc converter, a voltage at a connection point on the side of connection with a primary winding of a switching transistor is compared to a threshold voltage set within a variation range of the voltage at the connection point while the switching transistor is performing a switching operation, and, when the polarity by which the voltage was compared to the threshold voltage does not change during a detection period longer than the predetermined period of the drive signal for bringing the switching transistor under switching control, the switching transistor is determined as being operating in an active state with a danger of heat generation.. .
Smk Corporation

Brush-holder for a motor vehicle starter provided with a thermal protection system, and corresponding motor vehicle starter

A brush-holder for a motor vehicle starter comprising at least one first electrically conductive cage receiving a first brush having a first polarity, at least one second cage receiving a second brush having a second polarity different to the first polarity, at least one support plate on which the first cage and the second cage are attached, the support plate being electrically connected to the second polarity, and a deformable heat-sensitive member that is deformable from a pre-defined temperature, wherein the deformable member is arranged so as to electrically insulate the first cage relative to the support plate and wherein it further comprises a means for moving the first cage or the support plate in such a way as to establish contact between the first cage and the support plate following a deformation of the deformable member.. .
Valeo Equipements Electriques Moteur

Charging electrically charging energy storage devices

A charging apparatus for electrically charging rechargeable battery cells (2) of a mobile consumer (1) comprises a plurality of area-wise distributed primary contacts (3) which are insulated against each other and are connectable with at least two counter contacts (4), wherein the primary contacts (3) are connected with a control unit (5) and electrical switches (6) for wiring into a right polarity for the charging process.. .
Skysense, Inc.

Foreign object detecting device, wireless power transmitting apparatus, and wireless power transfer system

A foreign object detecting device includes first and second coils, the winding directions of which are the same, and a foreign object detecting circuit. The foreign object detecting circuit outputs a first detecting signal having a first predetermined waveform to a first terminal of the first coil and outputs a second detecting signal having a second predetermined waveform, which has the same polarity as the first predetermined waveform, to a third terminal of the second coil to cause magnetic fields generated from the first and second coils to repel each other.
Panasonic Intellectual Property Management Co., Ltd.

Tripolar vsc-hvdc transmission system and method

A tripolar vsc-hvdc system and method, include a rectifier and an inverter formed by a three-phase six-bridge arms modular multilevel converter (mmc) respectively, and two converter valves are arranged on the dc side of the rectifier and inverter respectively. The midpoint of upper and lower converter valves of the rectifier and inverter are connected with a pole 3 dc line by a smoothing reactor.
Nr Electric Engineering Co., Ltd.

Electrostatic discharge protection circuits for radio frequency communication systems

Apparatus and methods for electrostatic discharge (esd) protection of radio frequency circuits are provided. In certain configurations, an esd protection circuit includes two or more pairs of field effect transistors (fets) electrically connected in series between a radio frequency signal pin and a radio frequency ground pin.
Analog Devices, Inc.

Assembly for storing electrical energy, and associated production method

The invention relates to an assembly for storing electrical energy (10) comprising a storage element (16) comprising at least one elementary cell (18) comprising first and second electrode complexes (19, 20) stacked in a stacking direction (21), said elementary cell further comprising a first separator (26) made of a plastic material extending between the first and second electrode complexes, and an outer shell (11) receiving the storage element (16), the shell comprising two separate surfaces (15, 14) forming electrical terminals of the assembly having opposite polarities, the one or more first complexes (19) being electrically connected to a first terminal (15) and the one or more second complexes (20) being electrically connected to a second terminal (14), in which the element comprises at least one additional layer (29, 30) extending at least at one end (31, 32) of the storage element in the stacking direction, each additional layer being made up of a component identical to one of the components of the elementary cell (18), none of the additional layers of a single end of the storage element being connected to the terminal having the opposite polarity to the terminal to which the electrode complex adjacent to said additional layers is connected.. .
Blue Solutions

High-efficiency photovoltaic back-contact solar cell structures and manufacturing methods

Back contact back junction solar cell and methods for manufacturing are provided. The back contact back junction solar cell comprises a substrate having a light capturing frontside surface with a passivation layer, a doped base region, and a doped backside emitter region with a polarity opposite the doped base region.
Solexel, Inc.

Thin-film transistor with carrier injection structure

A thin-film transistor includes a substrate, a semiconductor channel region, a gate insulating layer, a source region, a drain region, a source electrode, a drain electrode and a gate electrode. The thin-film transistor also includes a carrier injection terminal, and the carrier injection terminal can provide the semiconductor channel region with a carrier of which the polarity is opposite to that of a channel carrier when the thin-film transistor is conducting.
Soochow University

Integrated high side gate driver structure and circuit for driving high side power transistors

The present invention relates to an integrated high side gate driver structure for driving a power transistor. The high side gate driver structure comprises a semiconductor substrate comprising a first polarity semiconductor material in which a first well diffusion comprising a second polarity semiconductor material is formed.
Merus Audio Aps

Power semiconductor device

A power semiconductor device includes a first polarity-side semiconductor element whose first principal electrode is in contact with a first polarity-side surface electrode on an insulator plate; a second polarity-side semiconductor element whose first principal electrode is in contact with an intermediate surface electrode on the insulator plate; an intermediate conductor connecting the intermediate surface electrode with a second principal electrode of the first polarity-side semiconductor element; a heatsink being in contact with the insulator plate; a sealing resin sealing the first polarity-side semiconductor element, the second polarity-side semiconductor element, the insulator plate, and the intermediate conductor; a second polarity-side terminal of plate-type connected with a second principal electrode of the second polarity-side semiconductor element and extending externally from the scaling resin; and an adjusting electrode mounted and connected to the heatsink so as to have a surface facing the second polarity-side terminal.. .
Mitsubishi Electric Corporation

Method for vertical and lateral control of iii-n polarity

Disclosed herein is a method of: depositing a patterned mask layer on an n-polar gan epitaxial layer of a sapphire, silicon, or silicon carbide substrate; depositing an aln inversion layer on the open areas; removing any remaining mask; and depositing a iii-n epitaxial layer to simultaneously produce n-polar material and iii-polar material. Also disclosed herein is: depositing an aln inversion layer on an n-polar bulk iii-n substrate and depositing a iii-n epitaxial layer to produce iii-polar material.
The Government Of The United States Of America, As Represented By The Secretary Of The Navy

Verify scheme for reram

Circuitry coupled to a programmable element comprising metal oxide is configured to execute a program-verify operation including: an initial cycle of a program operation and a verify operation, and subsequent cycles. The initial cycle includes an initial instance of the program operation to establish a cell resistance of the programmable element, and an initial instance of the verify operation to determine whether the cell resistance of the memory cell is within the target resistance range.
Macronix International Co., Ltd.

Liquid crystal display device

A liquid crystal display device comprising: a plurality of data lines; a plurality of scanning lines; a plurality of source drivers that supply a data signal to the plurality of data lines; a gate driver that supplies a scanning signal to the plurality of scanning lines; and a display control circuit that controls the plurality of source drivers and the gate driver. The display control circuit includes an image determinator that determines whether an externally-input image includes a pattern image and a polarity signal generator that generates a polarity signal deciding a voltage polarity of the data signal in each source driver based on a determination result of the data signal.
Panasonic Liquid Crystal Display Co., Ltd.

Developing device

A magnet roller employs a magnetic pole pattern in which a first magnetic pole arranged substantially opposing a regulating blade in an upstream side of a rotation direction of a developing sleeve and a second magnetic pole next to the first magnetic pole in the upstream side have the same polarity, an opposing member having surface roughness higher than at least a particle diameter of carrier is arranged opposing the magnet roller at a position where magnetic force between the first magnetic pole and the second magnetic pole next to the first magnetic pole in the upstream side is almost zero, and an apex of a partition wall provided between a developer bearing member and a developer conveying member provided in a first chamber is positioned below a region where magnetic force formed by the magnet roller is almost zero.. .
Canon Kabushiki Kaisha

Electrophoretic display fluid

The present invention is directed to an electrophoretic fluid comprising charged particles dispersed in a solvent or solvent mixture, wherein (i) one type of particles which is non-white and non-black and formed from an inorganic pigment, (ii) another type of particles which is non-white and non-black and formed from an organic pigment, and both types of particles (i) and (ii) are of different colors and carry the same charge polarity.. .
E Ink California, Llc

Offset rejection electrodes

A system and method for reducing offset in a mems sensor are disclosed. In a first aspect, the system is a mems sensor that comprises a sensing reference plane, at least one anchor coupled to the sensing reference plane, at least one proof mass coupled to the at least one anchor, wherein one of the at least one proof mass moves under an external excitation, a pattern of sensing elements coupled between the sensing reference plane and the at least one proof mass to detect motion normal to the sensing reference plane, wherein the pattern of sensing elements shares at least three axes of polarity anti-symmetry, and a signal processing circuit to combine the pattern of sensing elements thereby providing an output proportional to the external excitation.
Invensense, Inc.

Output-current detection chip for diode sensors, and diode sensor device

The present invention relates to an output-current detection ic chip for diode sensors and a diode sensor device, which reduce the influence by a leak current of a protection circuit. The present invention is equipped with a sensor unit in which anodes of n (n being an integer of 2 or more) diode sensors are connected to each other, a common terminal connected to a connection portion where the anodes are connected to each other, n input terminals connected to cathodes of the diode sensors, n+1 protection circuits connected to the input terminals and the common terminal, an i-v conversion circuit which converts an output current of each diode sensor into a voltage, a chopper circuit which switches the polarity of the output current and inputs the same to the i-v conversion circuit, and a dummy protection circuit connected to the input of the i-v conversion circuit..
Asahi Kasei Microdevices Corporation

Bio-reactive voltage controlled metabolism

Bio-reactive systems for voltage controlled metabolism are described, that include electrochemical-electrostatic systems having a conventional three electrode cell modified with at least one additional gating electrode. The rate of a metabolic process occurring in at least one organism disposed on a working electrode is controllable by applying a gating voltage vg to the at least one gating electrode.

Phosphole compound and fluorescent dye containing the same

The following formula is an example of a phosphole compound of the present invention. The phosphole compound of the present invention has the characteristic of maintaining a high fluorescence quantum yield in a wide range of solvents from low-polarity solvents to high-polarity solvents, as well as the characteristic in which the fluorescence wavelength shifts to the longer wavelength side as the polarity of the solvent increases.
National University Corporation Nagoya University

Electric dust collection device and air conditioner using the same

There is provided an electric dust collection device which can effectively capture fine particles while avoiding a pressure loss. The electric dust collection device is provided with a charging electrode, a dust collection electrode, and a repulsive electrode.
Fujitsu General Limited

Method for determining the polarity of a rotor pole of an electrical rotating machine

A method for determining the polarity of a pole of a rotor of an electrical rotating machine, having an estimated position in relation to a stator, said method including the following steps: a) applying an excitation voltage to the stator such as to generate two different magnetic fluxes successively inside a saturable magnetic zone of the pole, one flux in conjunction with and the other in opposition to the magnetic flux of the magnets, such as to saturate the saturable magnetic zone for at least one of the magnetic fluxes; and b) determining the polarity of the pole according to the differences in the temporal evolution of the current generated in the stator by the two fluxes.. .
Moteurs Leroy-somer

Power conversion device and three-phase alternating current power supply device

Provided is a power conversion device that converts power between dc units and three-phase ac. A first-phase conversion device, a second-phase conversion device, and a third-phase conversion device each include a dc/dc conversion circuit and a single-phase power conversion circuit.
Sumitomo Electric Industries Ltd.

Single-phase outer-rotor motor and rotor thereof

A single-phase outer-rotor motor includes a stator and a rotor surrounding the stator. The rotor includes a housing and a plurality of permanent magnets affixed to an inside of the housing.
Johnson Electric S.a.

Electrochemical device

The utility model relates to electric engineering and more specifically to solid-state electrochemical current sources such, for example, as storage batteries and supercapacitor banks. The electrochemical device consists of shell components, a cathode current-collecting leadout, an anode current-collecting leadout, and a package assembly.

Solid oxide fuel cell device

A single monolithic ceramic substrate has rectangular dimensions with thermal expansion dominant along the length. An inactive ceramic portion substantially surrounds a fuel cell active portion of scalable power.

A novel lithium ion flow battery

A lithium ion flow battery comprising cathode current collectors (21), an anode current collector (22), a cathode reaction chamber (24), an anode reaction chamber (25), a separator (23), a cathode suspension solution (26) and an anode suspension solution (27), wherein the cathode and anode current collectors are located at both sides of the separator respectively and are in close contact with the separator to form sandwich composite structure layers of the cathode current collector, the separator and the anode current collector; and in that several sandwich composite structure layers are arranged in sequence in an order that current collectors with the same polarity are oppositely arranged, and the electrode suspension solution continuously or intermittently flows in a battery reaction chamber between adjacent sandwich composite structure layers. Thus, the size of the battery reaction chamber can be flexibly designed according to the viscosity of the electrode suspension solution without increasing the polarization internal resistance of the battery, thereby solving the restriction conflict existing in the existing lithium ion flow battery between the size of the battery reaction chamber and the polarization internal resistance of the battery..
Beijing Hawaga Power Storage Technology Company Ltd.

Battery cell with surge protector

The invention relates to a battery cell (1) comprising a cell housing (2), a first electrode with a first polarity, a second electrode with a second polarity, and a surge protector for forming a short-circuit between the first electrode and the second electrode. The surge protector comprises a first contact element (6), which is inserted into an opening (9) of the cell housing (2) and which is connected to the first electrode in an electrically conductive manner, and a second contact element (7) at a distance from the first contact element (6), said second contact element being connected to the second electrode in an electrically conductive manner.
Robert Bosch Gmbh

Insulating sheet having electrostatic charges causing attraction

Disclosed is a sheet repositionable that is attracted to a nearby object by electrostatic charges. The sheet requires no pressure sensitive adhesive to stick to the object.
Ecostatic Inc.



Polarity topics:
  • Spectrometer
  • Accommodation
  • Portable Computer
  • Control Unit
  • Carbon Atoms
  • Functional Groups
  • Hydrocarbon
  • Condensation
  • Compaction
  • Water Purification
  • Ion Mobility
  • Spectrometry
  • Relaxation
  • Mass Spectrometer
  • Adsorption


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    This listing is a sample listing of patent applications related to Polarity for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Polarity with additional patents listed. Browse our RSS directory or Search for other possible listings.


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