Easy To Use Patents Search & Patent Lawyer Directory

At Patents you can conduct a Patent Search, File a Patent Application, find a Patent Attorney, or search available technology through our Patent Exchange. Patents are available using simple keyword or date criteria. If you are looking to hire a patent attorney, you've come to the right place. Protect your idea and hire a patent lawyer.

Searching:





Search by keyword, patent number, inventor, assignee, city or state:




Patent # Description
US-9,590,535 MEMS-based integrated inverter for wafer-scale thermionic energy converter
A thermionic energy converter is provided that includes an anode, a cathode, where the anode is disposed opposite the cathode, and a suspension, where a first...
US-9,590,534 Generator employing piezoelectric and resonating elements
Disclosed are various embodiments of systems, devices and methods for generating electricity, transforming voltages and generating motion using one or more...
US-9,590,533 Piezoelectric vibrational energy harvester
A vibrational energy harvester having a base and a piezoelectric transducer formed from a layer of piezoelectric material and extending between a first end at...
US-9,590,532 PowerPad
A method of fabricating a large-scale triboelectric nano-generator by adhering foil to two separate plates, laying polymer to the foil, heating the plates, and...
US-9,590,531 ZVS voltage source inverter with reduced output current ripple
Systems, methods, and devices relating to DC/AC converters. A circuit including a full bridge inverter is provided. One leg of power semiconductor subcircuits...
US-9,590,530 Controlling a modular converter in two stages
A modular converter having a plurality of converter modules for converting an input voltage into an output voltage to be supplied to a load by receiving a...
US-9,590,529 Power conversion device
An uneven return current is prevented and increase in a loss is suppressed in a power conversion apparatus at the time of inverter operation. The invention...
US-9,590,528 Dual mode DC-AC inverter system and operation
A dual mode direct current-to-alternating current (DC-AC) inverter is capable of operating either with or without connection to an active external AC power...
US-9,590,527 Inverter and operating method for an inverter
A method for operating an inverter which is connected to an energy supply grid via a transformer for feeding in electrical energy into the energy supply grid,...
US-9,590,526 Safety mechanisms, wake up and shutdown methods in distributed power installations
A distributed power system including multiple DC power sources and multiple power modules. The power modules include inputs coupled respectively to the DC power...
US-9,590,525 Wireless power transfer systems using load feedback
A system includes an AC input port configured to be coupled to an AC power source, a first AC/DC converter circuit having a first port coupled to the AC input...
US-9,590,524 Apparatus and method for a power converter and system having foldback current limit
A power converter system configured to supply DC power to a load is provided, comprising a power converter device responsive to an AC input voltage and...
US-9,590,523 Self-driven AC-DC synchronous rectifier for power applications
Systems, methods, and devices that employ self-driven gate-drive circuitry to facilitate controlling power switches to emulate a diode bridge to synchronously...
US-9,590,522 Motor driving system
A motor driving system includes an offset value learning part, which learns offset values of current sensors, when all switching elements are in off-states and...
US-9,590,521 Power converters for aircraft starter/generators
A method of converting power includes receiving alternating current (AC) at the first phase leg set of a power conversion system having first and second phase...
US-9,590,520 Inductive clamping circuit
A power control circuit includes a solid state power controller operable to connect an AC power source to a load. The solid state power controller includes a...
US-9,590,519 Power adapter with a step-down transformer and a voltage step-up circuit
Embodiments of an adapter are disclosed that include a rectifier with an input and an output coupled to a step-down transformer with a primary coil and a...
US-9,590,518 Power converter and controlling method thereof
The present application discloses a power converter and a controlling method thereof. The power converter at least comprises an inductor, a parasitic capacitor,...
US-9,590,517 High bandwidth, high efficiency DC-DC multilevel converter topology
A multilevel DC-DC converter includes a voltage source that provides a voltage Vout1 to at least one charge converter circuit and an output filter capacitor...
US-9,590,516 Galvanically isolated DC/DC converter and method of controlling a galvanically isolated DC/DC converter
A galvanically isolated DC/DC converter includes a first and a second side converter circuit coupled between a pair of first side DC terminals and a pair of...
US-9,590,515 Electric power conversion apparatus and electric power conversion method
There is provided a electric power conversion method of an electric power conversion apparatus comprising: charging the capacitor by transmitting the electric...
US-9,590,514 Carbon nanotube-based integrated power converters
A substrate having trenches containing carbon nanotubes has elements to provide a power converter. One set of trenches is configured to form an inductor and...
US-9,590,513 Methods for operating a converter
A converter may include a transformer; a first circuit arrangement coupled to a first transformer side; a second circuit arrangement coupled to a second...
US-9,590,512 Power supply apparatus
A PFC circuit generates substantially sinusoidal current that is in-phase with AC input voltage to compensate for a power factor. A DC-DC converter converts the...
US-9,590,511 Insulation type switching power source apparatus
A power source apparatus comprises: a transformer that insulates a primary system and a secondary system and uses primary/secondary windings to transform an...
US-9,590,510 Cable IR drop compensation
According to an aspect, an adaptor may include a converting unit configured to convert a source voltage to an output voltage to be provided to a computing...
US-9,590,509 Power supply device
An exemplary embodiment of the present invention relates to a power supply. A power supply according to an exemplary embodiment of the present invention...
US-9,590,508 Control apparatus, and control method for buck-boost power supply with two primary switches
A control apparatus, a buck-boost power supply, and a control method that can control an output part comprising two primary switches which are N-type...
US-9,590,507 Auxiliary supply for a switched-mode power supply controller using bang-bang regulation
A method in a switched-mode power supply (SMPS) and SMPS circuits are provided. The method and circuits use bang-bang regulation to provide for an auxiliary...
US-9,590,506 Multiple mode power regulator
A power regulator includes an output terminal to provide a regulated voltage, a first control unit to control a first operation mode, a second control unit to...
US-9,590,505 Switching regulators, power management devices and systems including the same
A switching regulator includes a DC-DC converter and a dynamic voltage positioning circuit. The DC-DC converter includes an inductor connected between an input...
US-9,590,504 Flipped gate current reference and method of using
A current reference includes a tracking voltage generator. The tracking voltage generator includes a flipped gate transistor and a first transistor, the first...
US-9,590,503 Switching converter and associated discharge method
A switching converter has an input port for receiving an input voltage and an output port for providing an output voltage. The switching converter has a power...
US-9,590,502 Regulated switching converter
A regulated switching converter having improved closed loop settling time is disclosed. An error amplifier having a voltage reference input, a feedback input,...
US-9,590,501 Fast load transient response power supply system using dynamic reference generation
The present disclosure is directed to a fast load transient response power supply system using dynamic reference voltage generation. A system may comprise, for...
US-9,590,500 Voltage generator
A voltage generator including an oscillator having an output, a charge pump having an input and an output, the input of the charge pump being coupled to the...
US-9,590,499 Drive circuit and method
In accordance with an embodiment, a transformer-less drive circuit is provided that includes a switch control network having an output terminal connected to a...
US-9,590,498 High side switch for selectively supplying power from a power supply to a load
A circuit arrangement for selectively supplying power from a power supply to a load includes a semiconductor switch, such as an n-channel FET, along with a gate...
US-9,590,497 Systems and methods for capacitor charge extraction
A system for providing electrical power to a load includes a boost converter with an input and an output. The boost converter is configured to receive power at...
US-9,590,496 Voltage regulator and power delivering device therewith
A voltage regulator includes a pass unit configured to transfer an input voltage to an output node as an output voltage according to a control signal, a voltage...
US-9,590,495 Holdup time circuit and method for bridgeless PFC converter
An embodiment holdup time circuit of a bridgeless power factor correction circuit comprises a charge device, an energy storage apparatus and a discharge device....
US-9,590,494 Bridgeless power factor correction circuits
A power factor correction circuit comprises a pair of III-N based switches coupled to a first reference ground, and an inductive component connected in series...
US-9,590,493 Startup Circuit for a Power Supply
An example apparatus may include a power supply circuit comprising a first stage, the first stage comprising a current-fed topology and a transformer for...
US-9,590,492 System and method for a switched-mode power supply
In accordance with an embodiment, a method of operating a switched-mode power supply includes starting up the switched-mode power supply by applying a first...
US-9,590,491 Resonant current limiting device
A resonant current limiting device, for a resonant current passage having a loop shape including at least one capacitor and a wiring passage with at least one...
US-9,590,490 Inrush current suppression circuit
The present invention provides an inrush current suppression circuit that is provided in an electric power conversion apparatus and suppresses inrush current...
US-9,590,489 Converter
The present invention provides a converter including a plurality of sub-modules connected in series to each other, wherein each of the sub-modules includes a...
US-9,590,487 Method and circuit for reducing ripple of current output by current source
Disclosed are a method and circuit for reducing a ripple of a current output by a current source. The circuit for reducing a ripple of a current output by a...
US-9,590,486 Distributed gap inductor filter apparatus and method of use thereof
The invention comprises a high frequency inductor filter apparatus and method of use thereof. In one embodiment, an inductor is used to filter/convert power,...
US-9,590,485 Resonance suppression device
A resonance suppression device, in which power loss and apparatus capacitance are reduced by outputting a compensating current only while a voltage resonance is...
← Previous | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 | Next →

File A Patent Application

  • Protect your idea -- Don't let someone else file first. Learn more.

  • 3 Easy Steps -- Complete Form, application Review, and File. See our process.

  • Attorney Review -- Have your application reviewed by a Patent Attorney. See what's included.