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

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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!

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Examiner: Leung, Ka Chun


Primary examiner statistics: 0 patents; average approval time: N/A
Assistant examiner statistics: 137 patents; average approval time: 147 days

Patents as Primary Examiner

Patent No. Patent Title:
No patents.

Patents as Assistant Examiner (view all)

Patent No. Patent Title:
7735834 Two-stroke internal combustion engine with oil ring
7644687 Cooling circuit of internal combustion engine
7634978 Device for controlling the temperature of fluids circulating in a...
7634981 Valve performing detection and modification strategy for internal...
7631625 Glow plug learn and control system
7628142 Remotely mounted high-pressure fuel pump assembly
7628131 Engine for vehicle
7630826 Method for on-board diagnosis of cold start emissions reduction c...
7617809 Starting brake for a hedge clipper
7610893 Plastic cover having metal reinforcement for internal combustion ...
7603976 Gas exchange valve of an internal combustion engine
7597069 Snow vehicle
7597082 Arrangement of a timing case cover
7587997 Hydrogen gas injector plug for diesel engines
7587999 Gas engine electric power generating system effectively utilizing...
7574989 Internal combustion engine system and internal combustion engine ...
7562646 Air-intake device for internal combustion engine having noise red...
7559304 Control device and control method for stopping and starting an in...
7556011 Valve structure for internal combustion
7552705 Vehicle stop/start system with regenerative braking
7549402 Piston spray nozzle
7549408 Flex-fuel variable displacement engine control system and method
7540277 Fuel system for a vibratory rammer
7523734 System to reduce crankshaft speed variations
7520371 Materials and processes for reducing combustion by-products in a ...
7520251 Non-reciprocating internal combustion engine
7516806 System and method for heat removal from confined spaces in a moto...
7509935 Engine cover and method
7506627 Balancer shaft arrangement for engine
7503291 Reciprocating device with dual chambered cylinders
7490585 Balance shaft for a reciprocating piston engine
7490584 Fuel enrichment cold start/run circuit
7484481 Combustion-type power tool having switch protection arrangement
7484480 Apparatus and method for removing crankcase gases
7481188 Force transfer mechanism for an engine
7481186 Engine with cooling water passage formed inside crank case
7478617 Hand-free starter for power generator
7475656 Hydrogen and oxygen production and accumulating apparatus includi...
7464685 Crankshaft bearing assembly
7464682 Variable intake system for vehicle
 
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