David H. Smith

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Mercer Island, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Dual fuel injector
- Patent number 5,887,799
- Issue date Mar 30, 1999
- IMPCO Technoligies, Inc.
- David H. Smith
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Backup control for natural gas fueled internal combustion engine
- Patent number 5,809,970
- Issue date Sep 22, 1998
- IMPCO Technologies, Inc.
- David H. Smith
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Gaseous fuel injector for internal combustion engine
- Patent number 5,775,599
- Issue date Jul 7, 1998
- IMPCO Technologies, Inc.
- David H. Smith
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Throttle body with internally mounted anemometer
- Patent number 4,870,857
- Issue date Oct 3, 1989
- AirSensors, Inc.
- David H. Smith
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
System for controlling mass flow rates of two gases
- Patent number 4,838,295
- Issue date Jun 13, 1989
- AirSensors, Inc.
- David H. Smith
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Throttle body with internally mounted anemometer
- Patent number 4,739,651
- Issue date Apr 26, 1988
- Air Sensors, Inc.
- David H. Smith
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS