Inventor · disambiguated record
Jean-Luc Leman
Also filed as: LEMAN JEAN-LUC · LEMAN JEAN-LUC M · LEMAN JEAN-LUC MICHEL
11 granted patents·220 citations·filing 1979–2006
91Inventor score
Top patents by PatentIndex Score
11 records- 0188US4255084ADevice for damping the vibrations of a rotary-wing aircraft rotorAEROSPATIALE·Filed 1979·Granted Mar 10, 1981·64 cites·14 claims
- 0269US4281967AResonator device for damping the vibrations of a rotor of a rotary-wing aircraftAEROSPATIALE·Filed 1979·Granted Aug 4, 1981·28 cites·19 claims
- 0361US4652210ADevice incorporating retractable stops for limiting the flappings of the blades of the main rotor of a rotorcraftAEROSPATIALE·Filed 1984·Granted Mar 24, 1987·26 cites·27 claims
- 0457US4630998AApparatus for control of collective and cyclic pitch of the blades of a rotorAEROSPATIALE·Filed 1985·Granted Dec 23, 1986·29 cites·7 claims
- 0549US5199849AHelicopter swashplate mounted on articulations uncouled in pitching and rollingAEROSPATIALE·Filed 1991·Granted Apr 6, 1993·22 cites·19 claims
- 0647US5951251ADevice for locking the blades of a rotor, at least in terms of pitchEUROCOPTER FRANCE·Filed 1997·Granted Sep 14, 1999·21 cites·38 claims
- 0745US7631737B2Method and a system for setting into coincidence, a technique, a drive device, and an aircraftEUROCOPTER FRANCE·Filed 2006·Granted Dec 15, 2009·2 cites·28 claims
- 0845US4556365AHub plate for a helicopter rotor, method of manufacturing it, and a helicopter rotor hub equipped with platesAEROSPATIALE·Filed 1983·Granted Dec 3, 1985·14 cites·21 claims
- 0935US4749339AIntegrater hub-mast and gyroplane rotor head comprising itAEROSPATIALE·Filed 1986·Granted Jun 7, 1988·9 cites·19 claims
- 1030US4737075AFlapping stop device for a gyroplane rotorAEROSPATIALE·Filed 1986·Granted Apr 12, 1988·5 cites·11 claims
- 1128US5388961AMechanical assembly for detecting the passing of a force threshold in translationEUROCOPTER FRANCE·Filed 1993·Granted Feb 14, 1995·0 cites·19 claims
Join the waitlist — get patent alerts
Get an alert when Jean-Luc Leman files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →