TREA

Frederick John Perry

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  • Yeovil, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Aerofoil
    • Patent number 5,992,793
    • Issue date Nov 30, 1999
    • GKN Westland Helicopters Limited
    • Frederick John Perry
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Propeller
    • Patent number 5,927,948
    • Issue date Jul 27, 1999
    • GKN Westland Helicopters Limited
    • Frederick John Perry
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Rotary blades
    • Patent number 5,492,448
    • Issue date Feb 20, 1996
    • Westland Helicopters Limited
    • Frederick J. Perry
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Helicopter rotor blade with improved performance characteristics
    • Patent number 5,246,344
    • Issue date Sep 21, 1993
    • Westland Helicopters Limited
    • Frederick J. Perry
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Helicopter rotor blades
    • Patent number 5,205,715
    • Issue date Apr 27, 1993
    • Westland Helicopters, Ltd.
    • Frederick J. Perry
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Helicopter rotor blades
    • Patent number 5,199,851
    • Issue date Apr 6, 1993
    • Westland Helicopters Ltd.
    • Frederick J. Perry
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Helicopter rotors
    • Patent number 5,100,294
    • Issue date Mar 31, 1992
    • Westland Helicopter Limited
    • Mark A. Crannage
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Helicopter rotor blades
    • Patent number 4,975,022
    • Issue date Dec 4, 1990
    • Westland Helicopter Limited
    • Frederick J. Perry
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Helicopter rotor blade
    • Patent number 4,668,169
    • Issue date May 26, 1987
    • Westland plc
    • Frederick J. Perry
    • B64 - AIRCRAFT AVIATION COSMONAUTICS