Assignee
WESTLAND AIRCRAFT LTD
32 granted patents·765 citations·filing 1972–1981
Top patents by PatentIndex Score
32 records- 0191US4297078AHelicopter rotorsWESTLAND AIRCRAFT LTD·Filed 1979·Granted Oct 27, 1981·79 cites·25 claims
- 0290US4145936AVibration absorbersWESTLAND AIRCRAFT LTD·Filed 1977·Granted Mar 27, 1979·61 cites·4 claims
- 0387US4163535AUnmanned multimode helicopterWESTLAND AIRCRAFT LTD·Filed 1972·Granted Aug 7, 1979·99 cites·7 claims
- 0486US4370542ACable marking method and apparatusWESTLAND AIRCRAFT LTD·Filed 1981·Granted Jan 25, 1983·51 cites·16 claims
- 0577US4093049AFreewheel devicesWESTLAND AIRCRAFT LTD·Filed 1977·Granted Jun 6, 1978·21 cites·16 claims
- 0672US3977632AHelicopter power transmission systemsWESTLAND AIRCRAFT LTD·Filed 1975·Granted Aug 31, 1976·32 cites·12 claims
- 0771US4300200AHelicopter airspeed indicating systemWESTLAND AIRCRAFT LTD·Filed 1979·Granted Nov 10, 1981·26 cites·11 claims
- 0868US4200946ALoad-supporting structuresWESTLAND AIRCRAFT LTD·Filed 1978·Granted May 6, 1980·35 cites·27 claims
- 0967US4098696ACentrifugal oil purifying meansWESTLAND AIRCRAFT LTD·Filed 1976·Granted Jul 4, 1978·21 cites·12 claims
- 1064US4110056AFibre reinforced plastics structureWESTLAND AIRCRAFT LTD·Filed 1977·Granted Aug 29, 1978·31 cites·2 claims
- 1163US4225287AVibration absorber for helicopterWESTLAND AIRCRAFT LTD·Filed 1978·Granted Sep 30, 1980·18 cites·7 claims
- 1262US4427344AHelicopter rotor bladeWESTLAND AIRCRAFT LTD·Filed 1981·Granted Jan 24, 1984·25 cites·13 claims
- 1361US4129403AHelicopter rotorsWESTLAND AIRCRAFT LTD·Filed 1977·Granted Dec 12, 1978·24 cites·12 claims
- 1459US4102423AGround traction devicesWESTLAND AIRCRAFT LTD·Filed 1977·Granted Jul 25, 1978·16 cites·10 claims
- 1558US4249862ADamper means for helicopter rotorsWESTLAND AIRCRAFT LTD·Filed 1977·Granted Feb 10, 1981·25 cites·11 claims
- 1657US4397254AApparatus for moving a helicopter along a deckWESTLAND AIRCRAFT LTD·Filed 1980·Granted Aug 9, 1983·19 cites·14 claims
- 1756US3981158ADisconnect coupling for drive shaftsWESTLAND AIRCRAFT LTD·Filed 1975·Granted Sep 21, 1976·11 cites·13 claims
- 1855US3932060ABifilar vibration dampersWESTLAND AIRCRAFT LTD·Filed 1974·Granted Jan 13, 1976·16 cites·8 claims
- 1953US4028001ARotor for rotary wing aircraftWESTLAND AIRCRAFT LTD·Filed 1975·Granted Jun 7, 1977·19 cites·18 claims
- 2052US4077741AHelicopter rotor bladesWESTLAND AIRCRAFT LTD·Filed 1976·Granted Mar 7, 1978·23 cites·18 claims
- 2150US4231705AHelicopter rotorWESTLAND AIRCRAFT LTD·Filed 1978·Granted Nov 4, 1980·14 cites·6 claims
- 2250US4203709AHelicopter rotor and blade connectionWESTLAND AIRCRAFT LTD·Filed 1978·Granted May 20, 1980·14 cites·16 claims
- 2339US4347997AHelicoptersWESTLAND AIRCRAFT LTD·Filed 1980·Granted Sep 7, 1982·14 cites·10 claims
- 2439US4080098AHelicopter rotorsWESTLAND AIRCRAFT LTD·Filed 1976·Granted Mar 21, 1978·9 cites·15 claims
- 2538US4307996AHelicopter rotorsWESTLAND AIRCRAFT LTD·Filed 1979·Granted Dec 29, 1981·8 cites·10 claims
- 2637US4148451AHook locking means for ejector release unitsWESTLAND AIRCRAFT LTD·Filed 1977·Granted Apr 10, 1979·8 cites·6 claims
- 2737US4099892AHelicopter rotorsWESTLAND AIRCRAFT LTD·Filed 1977·Granted Jul 11, 1978·10 cites·7 claims
- 2837US4021141ASemi-rigid rotors for rotary wing aircraftWESTLAND AIRCRAFT LTD·Filed 1975·Granted May 3, 1977·8 cites·10 claims
- 2935US4420131AMooring devicesWESTLAND AIRCRAFT LTD·Filed 1981·Granted Dec 13, 1983·10 cites·12 claims
- 3035US4320633AFreewheel couplingWESTLAND AIRCRAFT LTD·Filed 1979·Granted Mar 23, 1982·6 cites·17 claims
- 3133US3967232AMethods of detecting underwater objects and apparatus thereforWESTLAND AIRCRAFT LTD·Filed 1973·Granted Jun 29, 1976·7 cites·7 claims
- 3229US4132377AStore ejector release unitsWESTLAND AIRCRAFT LTD·Filed 1977·Granted Jan 2, 1979·5 cites·9 claims
Join the waitlist — get patent alerts
Get an alert when WESTLAND AIRCRAFT LTD files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →