John R. Williamson

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Scottsdale, AZ, US

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Patents Grantslast 30 patents

Information Patent Grant
Full authority propeller pitch control
- Patent number 5,364,231
- Issue date Nov 15, 1994
- AlliedSignal Inc.
- Christopher D. Eick
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Over the shaft fuel pumping system
- Patent number 5,022,228
- Issue date Jun 11, 1991
- Allied-Signal Inc.
- Jay N. Hoopes
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Metering valve with follow-up servo
- Patent number 5,000,220
- Issue date Mar 19, 1991
- Allied-Signal Inc.
- Christopher D. Eick
- G05 - CONTROLLING REGULATING
Information Patent Grant
Over the shaft fuel pumping system
- Patent number 4,989,411
- Issue date Feb 5, 1991
- Allied-Signal Inc.
- Jay N. Hoopes
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Low cost fuel supply system for gas turbine engines
- Patent number 4,926,629
- Issue date May 22, 1990
- Allied-Signal Inc.
- Christopher D. Eick
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Variable output vortex pump
- Patent number 4,869,642
- Issue date Sep 26, 1989
- Allied-Signal Inc.
- John R. Williamson
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES