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

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...Chester Carlson was a patent agent who tired of having to make multiple copies of patent applications using the only duplication method available at the time: carbon paper. In 1959 he came up with a new copying system and took it to IBM for evaluation. The "experts" at IBM determined potential sales to be only 5,000 units because people wouldn't want to use a bulky machine when they had carbon paper. Carlson's invention was the xerography process, the company founded on the system is Xerox.

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Examiner: Huynh, Hai


Primary examiner statistics: 552 patents; average approval time: 552 days
Assistant examiner statistics: 512 patents; average approval time: 676 days

Patents as Primary Examiner (view all)

Patent No. Patent Title:
8186330 Apparatus for engine control
8185295 Multi-cylinder engine
8181629 Engine and exhaust heating for hybrid vehicle
8181617 Laser ignition for gas mixtures
8181626 Fuel injection control apparatus for internal combustion engine
8176903 System and method for improving exhaust gas recirculation for a t...
8171907 Push button starting system for outdoor power equipment
8171912 Method and system for pre-ignition control
8166947 Recoil starter
8170776 Method and device for controlling an internal combustion engine
8166945 Starter and accessory drive system and method for hybrid drive ve...
8166933 Power unit for small-sized vehicle
8170775 Fuel injection device for internal combustion engine
8161932 Moped transmission
8156924 Systems and methods for regulating purge flow rate in an internal...
8151781 Flexible ignitor assembly for air/fuel mixture and method of cons...
8146558 Automatic choke for an engine
8146568 Fuel management system for variable ethanol octane enhancement of...
8150603 Engine control system having fuel-based timing
8146566 Compression release engine brake unit
8145408 Procedure for checking the functionality of a metering valve of a...
8145405 Internal-combustion engine with variable actuation of the intake ...
8136497 Method for starting an engine
8136505 Method for controlling spark for particulate filter regenerating
8136513 Internal combustion engine
8140246 Method and system for detecting a presence of a block heater in a...
8140245 Engine with electronically controlled starting method
8132560 Bidirectional adsorbent-canister purging
8131450 Method and associated device for sensing the air/fuel ratio of an...
8131453 Methods and systems for assisted direct start control
8131452 System for restarting internal combustion engine when engine rest...
8126637 Control system for internal combustion engine
8126635 Air-fuel ratio control apparatus and air-fuel ratio control metho...
8126638 Engine
8126639 Method for controlling the air system in an internal combustion e...
8118010 Diagnostic systems and methods for fuel injectors in homogenous c...
8116962 Method of fuel injection
8116965 Apparatus for and method of controlling variable valve mechanism
8116966 Low power microwave vehicle stopper with feedback
8113175 Fuel injection system

Patents as Assistant Examiner (view all)

Patent No. Patent Title:
6932049 Wing structure of air swirling device for internal combustion eng...
6807937 Multi-cylinder diesel engine with variably actuated valves
6800059 Vital sign box, medium, and information aggregation
6772726 Multiple-position, operator-carried, four-stroke engine
6745747 Method for air-fuel ratio control of a lean burn engine
6745744 Combustion enhancement system and method
6742505 Internal combustion engine and method, computer program and contr...
6742493 Fuel injection system and method for injection
6739310 Method and electronic control device for diagnosing the mixture p...
6736102 Method for operating an internal combustion engine and correspond...
6729317 Ignition system with an ignition coil
6725844 High-pressure pump with an on-off valve for feeding fuel to an in...
6725835 Method for operating an otto-cycle internal combustion engine wit...
6725830 Method for split ignition timing for idle speed control of an eng...
6722342 Fuel injection control system and method for internal combustion ...
6718930 Intake system of a V-type engine
6712032 Method for heating up an electrical heating element, in particula...
6712038 Intake device for an internal combustion engine and method thereo...
6712037 Low pressure direct injection engine system
6712053 Control system for internal combustion engine
6712052 Engine control unit
6708681 Method and device for feedback controlling air-fuel ratio of inte...
6705277 Method and apparatus for delivering multiple fuel injections to t...
6705268 Engine noise barrier
6705276 Combustion mode control for a direct injection spark ignition (DI...
6705281 Piston for an internal combustion engine
6705286 Method and system for minimizing torque intervention of an electr...
6705288 Starting control apparatus for internal combustion engine
6701890 Method for controlling throttle air velocity during throttle posi...
6701894 Knocking control apparatus for internal combustion engine
6694962 Abnormality diagnosis apparatus of internal combustion engine
6694932 Valve assembly with swinging valve face moving out of the fluid p...
6691678 Throttle assembly for internal combustion engine, and throttle se...
6691649 Fuel injection system for a two-stroke engine
6691689 Rotation direction detector in ignition equipment of an internal ...
6691674 Latched reset mechanism for engine brake
6691673 Fuel supply device for outboard motor
6691675 Warm-up control apparatus and warm-up control method for internal...
6688274 Motorcycle intake structure
6688284 Throttle controller
 
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