Inventor · disambiguated record
Michel Derrien
Also filed as: DERRIEN MICHEL
41 granted patents·1,286 citations·filing 1978–2004
98Inventor score
Files withMESSIER BUGATTI16MESSIER HISPANO SA13INST FRANCAIS DU PETROLE6MESSIER DOWTY SA2MESSIER HISPANO BUGATTI SA2
Top patents by PatentIndex Score
41 records- 0192US4463206AProcess for producing benzene by hydrodealkylation of a hydrocarbon fraction comprising alkyl-aromatic hydrocarbons, olefinic hydrocarbons and sulfur compoundsINST FRANCAIS DU PETROLE·Filed 1983·Granted Jul 31, 1984·34 cites·8 claims
- 0291US5288037ACatch device for locking aircraft landing gear in the raised positionMESSIER BUGATTI·Filed 1993·Granted Feb 22, 1994·91 cites·10 claims
- 0391US5219152AAdjustable-stroke spring and shock absorber deviceMESSIER BUGATTI·Filed 1991·Granted Jun 15, 1993·84 cites·6 claims
- 0489US4208271AProcess for the selective hydrogenation of gasolines comprising both gum-generating compounds and undesirable sulfur compoundsINST FRANCAIS DU PETROLE·Filed 1978·Granted Jun 17, 1980·37 cites·12 claims
- 0587US5337976ARaisable landing gear for heavier-than-air aircraft, in particular for helicoptersMESSIER BUGATTI·Filed 1993·Granted Aug 16, 1994·78 cites·10 claims
- 0685US4749152AAircraft undercarriage of tilting-beam type and of reduced bulkMESSIER HISPANO SA·Filed 1987·Granted Jun 7, 1988·63 cites·8 claims
- 0783US4724274AProcess for producing 2-methyl-2-butene from a 5 carbon atom olefins cut containing 2-methyl-1-butene and at least one n-penteneINST FRANCAIS DU PETROLE·Filed 1986·Granted Feb 9, 1988·18 cites·13 claims
- 0881US5310140AShock absorber for an aircraft landing gear legMESSIER BUGATTI·Filed 1993·Granted May 10, 1994·61 cites·12 claims
- 0981US4540142ANose-wheel type landing gear for aircraftMESSIER HISPANO BUGATTI SA·Filed 1984·Granted Sep 10, 1985·46 cites·20 claims
- 1080US4630788AAircraft landing gear, in particular for helicoptersMESSIER HISPANO SA·Filed 1984·Granted Dec 23, 1986·44 cites·17 claims
- 1178US5429323ARaisable undercarriage, in particular for a heavy transport aircraftMESSIER BUGATTI·Filed 1993·Granted Jul 4, 1995·62 cites·8 claims
- 1278US4892270ARocking beam landing gearMESSIER HASPANO BUGATTI·Filed 1988·Granted Jan 9, 1990·55 cites·7 claims
- 1375US4361422AHydrogenation and etherification of an unsaturated C5 hydrocarbon cut to increase its octane number and decrease its mono-olefin contentINST FRANCAIS DU PETROLE·Filed 1981·Granted Nov 30, 1982·23 cites·17 claims
- 1474US4556179AAircraft landing gearMESSIER HISPANO SA·Filed 1983·Granted Dec 3, 1985·36 cites·8 claims
- 1572US6410811B2Selective hydrogenation process comprising partial separation of hydrogen by a membrane upstream of a reactive columnINST FRANCAIS DU PETROLE·Filed 2001·Granted Jun 25, 2002·16 cites·15 claims
- 1672US5269481ARaisable landing gear fitted with a hinged side-brace having two alignmentsMESSIER BUGATTI·Filed 1993·Granted Dec 14, 1993·44 cites·7 claims
- 1770US6805320B2Aircraft landing gear with highly offset strut pivot axisMESSIER DOWTY SA·Filed 2001·Granted Oct 19, 2004·24 cites·13 claims
- 1869US5310139AShock absorber for aircraft landing gearMESSIER BUGATTI·Filed 1993·Granted May 10, 1994·44 cites·10 claims
- 1965US5294077AShock-absorbing actuator for fitting to landing gear of heavier-than-air aircraft, in particular helicoptersMESSIER BUGATTI·Filed 1993·Granted Mar 15, 1994·24 cites·14 claims
- 2064US5279480AShock absorber for use in lowering aircraft landing gearMESSIER BUGATTI·Filed 1993·Granted Jan 18, 1994·35 cites·8 claims
- 2162US5360185ALinear actuator, in particular for driving an aircraft landing gear legMESSIER BUGATTI·Filed 1993·Granted Nov 1, 1994·32 cites·6 claims
- 2262US5207398ADevice for locking a support for steerable wheelsMESSIER BUGATTI·Filed 1991·Granted May 4, 1993·31 cites·9 claims
- 2361US5324065ASuspension assembly for a heavy vehicle, in particular for a tracked vehicleMESSIER BUGATTI·Filed 1993·Granted Jun 28, 1994·24 cites·10 claims
- 2457US4681284ALanding gear having tandem wheels and independent shock absorbersMESSIER HISPANO SA·Filed 1985·Granted Jul 21, 1987·23 cites·5 claims
- 2556US5356162ARetractable running gear for a vehicle that is supported without contactMESSIER BUGATTI·Filed 1992·Granted Oct 18, 1994·22 cites·6 claims
- 2656US4422604AFuselage landing gear with tandem wheelsMESSIER HISPANO SA·Filed 1982·Granted Dec 27, 1983·21 cites·12 claims
- 2753US4886248ARapid extension shock absorber, in particular for carrier-based aircraftMESSIER HISPANO SA·Filed 1988·Granted Dec 12, 1989·18 cites·9 claims
- 2852US4740633AProcess for hydrogenating olefins in the presence of ethersINST FRANCAIS DU PETROLE·Filed 1986·Granted Apr 26, 1988·11 cites·6 claims
- 2951US5271314ARaisable anti-crash shock absorberMESSIER BUGATTI·Filed 1992·Granted Dec 21, 1993·21 cites·5 claims
- 3051US4805882AShock absorber with adjustable residual strokeMESSIER HISPANO SA·Filed 1987·Granted Feb 21, 1989·19 cites·2 claims
- 3151US4402477ATandem type landing gearMESSIER HISPANO BUGATTI SA·Filed 1982·Granted Sep 6, 1983·18 cites·10 claims
- 3250US4422603ALanding gear for aircraftMESSIER HISPANO SA·Filed 1982·Granted Dec 27, 1983·17 cites·13 claims
- 3349US4984755AAircraft landing gear having wheels that swivel while the landing gear is being retractedMESSIER HISPANO SA·Filed 1990·Granted Jan 15, 1991·20 cites·8 claims
- 3445US4948069ADevice for steering the nose wheel train of an aircraft landing gearMESSIER HISPANO SA·Filed 1989·Granted Aug 14, 1990·15 cites·5 claims
- 3545US4907761AMechanism for controlling a catapult barMESSIER HISPANO SA·Filed 1988·Granted Mar 13, 1990·10 cites·8 claims
- 3640US5478030ALaterally-raisable aircraft landing gearMESSIER ERAM·Filed 1994·Granted Dec 26, 1995·18 cites·7 claims
- 3740US5263664ARaisable landing gearMESSIER BUGATTI·Filed 1993·Granted Nov 23, 1993·16 cites·10 claims
- 3840US4586682ALanding gear for an aircraft structureMESSIER HISPANO SA·Filed 1984·Granted May 6, 1986·12 cites·4 claims
- 3937US6948683B2Aircraft landing gearMESSIER DOWTY SA·Filed 2004·Granted Sep 27, 2005·1 cites·7 claims
- 4035US4396170ALanding gear for aircraftMESSIER HISPANO SA·Filed 1981·Granted Aug 2, 1983·8 cites·10 claims
- 4134US5362015ADevice for steering the wheels at the bottom end of an aircraft landing gear legMESSIER BUGATTI·Filed 1993·Granted Nov 8, 1994·10 cites·6 claims
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