Philip A. E. Jeffery

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Trumbull, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Hub-mounted actuators for blade pitch collective control
- Patent number 4,555,219
- Issue date Nov 26, 1985
- United Technologies Corporation
- Philip A. E. Jeffery
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Pneumatic valve control for circulation control aircraft
- Patent number 4,507,050
- Issue date Mar 26, 1985
- United Technologies Corporation
- Philip A. E. Jeffery
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Compensating linkage for main rotor control
- Patent number 4,245,956
- Issue date Jan 20, 1981
- Robert A. Administrator of the National Aeronautics and Space Administration,...
- B64 - AIRCRAFT AVIATION COSMONAUTICS