U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...that the inventor of the electric motor was a blacksmith named Thomas Davenport? Described as "a brilliantly unsuccessful inventor", Davenport invented the first rotary electric motor. In 1836 he headed out -- on foot -- from his Vermont home to file a patent application at the Patent Office in Washington, D.C. By the time he got there, he had squandered away his money and couldn't afford the $30 filing fee so he turned around and went home. When he later mailed in his application with money he'd raised, the Patent office was destroyed in a fire. He did finally get credit for his invention on Feb. 5, 1837.

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Examiner: Luo, David S


Primary examiner statistics: 0 patents; average approval time: N/A
Assistant examiner statistics: 211 patents; average approval time: 215 days

Patents as Primary Examiner

Patent No. Patent Title:
No patents.

Patents as Assistant Examiner (view all)

Patent No. Patent Title:
8115433 Electrical system for pulse-width modulated control of a power in...
8089237 Method for controlling an opening leaf of a vehicle with an anti-...
8084966 Electromotive furniture drive for displacing parts of an item of ...
8076882 Motor drive architecture with active snubber
8058826 Motor controller with hall sensor output misalignment compensatio...
8035329 Apparatus for actuating an electrical switching device
8030862 Methods and systems for operating direct current motors
8026680 Methods and apparatus to reduce the stopping time of spindle moto...
8023234 Method for detecting earth-fault conditions in a motor controller
8022645 Circuit configuration with an end stage for switching an inductiv...
8022649 Control of switched reluctance machines
8018182 Method and device for an overload detection in hand-guided power ...
8013557 Motor protection device and method
8013560 Method for compensating for angular transmission error of an actu...
8004221 Inverter system for vehicle-mounted air conditioner
8004224 Safety device for roller blinds, sun, awnings, gates or the like
8004222 Negative sequence carrier signal controller
7999503 Control module for dynamic operation of a power inverter using an...
7999497 Device for controlling polyphase rotating machine
7994741 Vibration device
7986114 Fast startup supply for chip initialization
7986115 Safety device for detecting inadequate electric braking and commu...
7982426 Electric power system
7982424 Document reading apparatus, document reading method, and program ...
7982418 Rheostatic safety braking device having a bipolar resistive assem...
7982421 Electric vehicle controller
7982422 Push button control for motorized coverings with light control
7977900 Inverter system for vehicle-mounted air conditioner
7977902 Method and apparatus for pinch protection for a motor-driven clos...
7977906 Saccadic tracking for an electro-mechanical system
7973503 Motor system employing analog encoded hall effect sensor position...
7973507 Raindrop detecting device and method of determining raindrop amou...
7960934 Fault-tolerant control system
7960926 Controller for AC rotary machine
7960929 Motor driving device and motor unit
7952305 Reverse drive control for a motorcycle
7952312 Closure panel control apparatus
7948199 Single-ended gain stage and disk drive
7940016 Regenerative braking methods for a hybrid locomotive
7936141 Motor driver system and method of protecting motor driver
 
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