Douglas A. Parsons

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Enfield, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Control system for gas turbine helicopter engines and the like
- Patent number 5,303,142
- Issue date Apr 12, 1994
- United Technologies Corporation
- Douglas A. Parsons
- G05 - CONTROLLING REGULATING
Information Patent Grant
Control system for gas turbine helicopter engines and the like
- Patent number 5,189,620
- Issue date Feb 23, 1993
- United Technologies Corporation
- Douglas A. Parsons
- G05 - CONTROLLING REGULATING
Information Patent Grant
Gas turbine stall/surge identification and recovery
- Patent number 5,051,918
- Issue date Sep 24, 1991
- United Technologies Corporation
- Douglas A. Parsons
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Helicopter autorotation detection and recovery
- Patent number 5,046,923
- Issue date Sep 10, 1991
- United Technologies Corporation
- Douglas A. Parsons
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Dynamic compensation to n-dot schedules
- Patent number 5,029,441
- Issue date Jul 9, 1991
- United Technologies Corporation
- Douglas A. Parsons
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS