Michel Derrien
41Patents
16h-index
16Co-inventors
78Inventor score
Filing activity: Nov 29, 1978 → Jul 27, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5288037A | Catch device for locking aircraft landing gear in the raised position | Fixed Constructions | 53 | Expired |
| US4749152A | Aircraft undercarriage of tilting-beam type and of reduced bulk | Performing Operations; Transporting | 47 | Expired |
| US5219152A | Adjustable-stroke spring and shock absorber device | Performing Operations; Transporting | 45 | Expired |
| US5337976A | Raisable landing gear for heavier-than-air aircraft, in particular for helicopters | Performing Operations; Transporting | 38 | Expired |
| US5429323A | Raisable undercarriage, in particular for a heavy transport aircraft | Performing Operations; Transporting | 37 | Expired |
| US5310140A | Shock absorber for an aircraft landing gear leg | Performing Operations; Transporting | 34 | Expired |
| US4630788A | Aircraft landing gear, in particular for helicopters | Performing Operations; Transporting | 29 | Expired |
| US4540142A | Nose-wheel type landing gear for aircraft | Performing Operations; Transporting | 29 | Expired |
| US4892270A | Rocking beam landing gear | Performing Operations; Transporting | 28 | Expired |
| US5269481A | Raisable landing gear fitted with a hinged side-brace having two alignments | Performing Operations; Transporting | 26 | Expired |
| US4208271A | Process for the selective hydrogenation of gasolines comprising both gum-generating compounds and undesirable sulfur compounds | Chemistry; Metallurgy | 23 | Expired |
| US5279480A | Shock absorber for use in lowering aircraft landing gear | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US4463206A | Process for producing benzene by hydrodealkylation of a hydrocarbon fraction comprising alkyl-aromatic hydrocarbons, olefinic hydrocarbons and sulfur compounds | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4556179A | Aircraft landing gear | Performing Operations; Transporting | 20 | Expired |
| US4361422A | Hydrogenation and etherification of an unsaturated C.sub.5 hydrocarbon cut to increase its octane number and decrease its mono-olefin content | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5310139A | Shock absorber for aircraft landing gear | Performing Operations; Transporting | 16 | Expired |
| US5360185A | Linear actuator, in particular for driving an aircraft landing gear leg | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6805320B2 | Aircraft landing gear with highly offset strut pivot axis | Performing Operations; Transporting | 14 | Expired |
| US5324065A | Suspension assembly for a heavy vehicle, in particular for a tracked vehicle | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US5271314A | Raisable anti-crash shock absorber | Performing Operations; Transporting | 14 | Expired |
| US5294077A | Shock-absorbing actuator for fitting to landing gear of heavier-than-air aircraft, in particular helicopters | Performing Operations; Transporting | 12 | Expired |
| US4984755A | Aircraft landing gear having wheels that swivel while the landing gear is being retracted | Performing Operations; Transporting | 12 | Expired |
| US4681284A | Landing gear having tandem wheels and independent shock absorbers | Performing Operations; Transporting | 11 | Expired |
| US4886248A | Rapid extension shock absorber, in particular for carrier-based aircraft | Performing Operations; Transporting | 11 | Expired |
| US5478030A | Laterally-raisable aircraft landing gear | Performing Operations; Transporting | 11 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.