Assignee
HUGHES HELICOPTERS INC
22 granted patents·756 citations·filing 1979–1985
Top patents by PatentIndex Score
22 records- 0195US4312480ARadiation shielding and gas diffusion apparatusHUGHES HELICOPTERS INC·Filed 1979·Granted Jan 26, 1982·66 cites·21 claims
- 0290US4381902AHelicopter tail rotor of the elastomerically-mounted composite flexbeam typeHUGHES HELICOPTERS INC·Filed 1979·Granted May 3, 1983·58 cites·14 claims
- 0388US4519559ALanding gear energy distribution and righting systemHUGHES HELICOPTERS INC·Filed 1979·Granted May 28, 1985·64 cites·13 claims
- 0486US4560364AFail-safe improvement for a flexible shaft couplingHUGHES HELICOPTERS INC·Filed 1983·Granted Dec 24, 1985·32 cites·4 claims
- 0584US4529341ADrill bit for Kevlar laminatesHUGHES HELICOPTERS INC·Filed 1982·Granted Jul 16, 1985·73 cites·9 claims
- 0684US4524620AIn-flight monitoring of composite structural components such as helicopter rotor bladesHUGHES HELICOPTERS INC·Filed 1983·Granted Jun 25, 1985·91 cites·4 claims
- 0782US4632337AHelicopter rotor transmission systemsHUGHES HELICOPTERS INC·Filed 1983·Granted Dec 30, 1986·48 cites·5 claims
- 0880US4573873ACollective and cyclic in-mast pitch control system for a helicopterHUGHES HELICOPTERS INC·Filed 1983·Granted Mar 4, 1986·58 cites·14 claims
- 0977US4563936AWeapon with next round select feed systemHUGHES HELICOPTERS INC·Filed 1982·Granted Jan 14, 1986·33 cites·16 claims
- 1074US4301709AMechanical anti-hangfire systemHUGHES HELICOPTERS INC·Filed 1979·Granted Nov 24, 1981·29 cites·20 claims
- 1172US4481858ASingle barrel externally powered gunHUGHES HELICOPTERS INC·Filed 1983·Granted Nov 13, 1984·32 cites·47 claims
- 1267US4609165AHelicopter auxiliary energy systemHUGHES HELICOPTERS INC·Filed 1983·Granted Sep 2, 1986·27 cites·9 claims
- 1366US4418607ASingle barrel externally powdered gunHUGHES HELICOPTERS INC·Filed 1981·Granted Dec 6, 1983·26 cites·22 claims
- 1464US4658701ASide stripping mechanism for linked ammunitionHUGHES HELICOPTERS INC·Filed 1983·Granted Apr 21, 1987·21 cites·10 claims
- 1559US4665793AWeapon with next round select feed systemHUGHES HELICOPTERS INC·Filed 1985·Granted May 19, 1987·19 cites·4 claims
- 1653US4422757AApparatus and method for optical phasing of helicopter main rotor bladesHUGHES HELICOPTERS INC·Filed 1981·Granted Dec 27, 1983·14 cites·21 claims
- 1744US4695227AAll composite, constant speed universal joint for use in a shaft driven tiltable main rotor for a helicopterHUGHES HELICOPTERS INC·Filed 1985·Granted Sep 22, 1987·15 cites·9 claims
- 1838US4697496AMethod and apparatus for handling beltless ammunition in a twin-barreled gunHUGHES HELICOPTERS INC·Filed 1985·Granted Oct 6, 1987·10 cites·16 claims
- 1935US4457734AFail-safe improvement for a flexible shaft couplingHUGHES HELICOPTERS INC·Filed 1981·Granted Jul 3, 1984·10 cites·4 claims
- 2034US4564336ALow drag, bearingless rotor head for helicoptersHUGHES HELICOPTERS INC·Filed 1984·Granted Jan 14, 1986·11 cites·9 claims
- 2129US4407467ATactical wire-cutter system for helicoptersHUGHES HELICOPTERS INC·Filed 1981·Granted Oct 4, 1983·12 cites·10 claims
- 2228US4541777ALow drag, bearingless rotor head for helicoptersHUGHES HELICOPTERS INC·Filed 1982·Granted Sep 17, 1985·7 cites·17 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →