Inventor · disambiguated record
Frederick J. Perry
Also filed as: PERRY FREDERICK J · PERRY FREDERICK JOHN
11 granted patents·371 citations·filing 1976–1997
92Inventor score
Files withWESTLAND HELICOPTERS5GKN WESTLAND HELICOPTERS LTD2WESTLAND AIRCRAFT LTD2WESTLAND HELICOPTER LIMITED1WESTLAND PLC1
Top patents by PatentIndex Score
11 records- 0188US5992793AAerofoilGKN WESTLAND HELICOPTERS LTD·Filed 1997·Granted Nov 30, 1999·95 cites·15 claims
- 0287US5492448ARotary bladesWESTLAND HELICOPTERS·Filed 1994·Granted Feb 20, 1996·83 cites·15 claims
- 0369US4668169AHelicopter rotor bladeWESTLAND PLC·Filed 1984·Granted May 26, 1987·31 cites·13 claims
- 0468US4975022AHelicopter rotor bladesWESTLAND HELICOPTERS·Filed 1989·Granted Dec 4, 1990·35 cites·18 claims
- 0562US4427344AHelicopter rotor bladeWESTLAND AIRCRAFT LTD·Filed 1981·Granted Jan 24, 1984·25 cites·13 claims
- 0652US4077741AHelicopter rotor bladesWESTLAND AIRCRAFT LTD·Filed 1976·Granted Mar 7, 1978·23 cites·18 claims
- 0748US5199851AHelicopter rotor bladesWESTLAND HELICOPTERS·Filed 1991·Granted Apr 6, 1993·18 cites·17 claims
- 0847US5246344AHelicopter rotor blade with improved performance characteristicsWESTLAND HELICOPTERS·Filed 1992·Granted Sep 21, 1993·19 cites·4 claims
- 0946US5927948APropellerGKN WESTLAND HELICOPTERS LTD·Filed 1997·Granted Jul 27, 1999·20 cites·14 claims
- 1034US5205715AHelicopter rotor bladesWESTLAND HELICOPTERS·Filed 1991·Granted Apr 27, 1993·13 cites·18 claims
- 1123US5100294AHelicopter rotorsWESTLAND HELICOPTER LIMITED·Filed 1990·Granted Mar 31, 1992·9 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →