Michel Lefebvre
40Patents
11h-index
46Co-inventors
75Inventor score
Filing activity: Feb 25, 1974 → Nov 30, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4749487A | High flux membrane | Performing Operations; Transporting | 67 | Expired |
| US4624784A | Apparatus including a flow path formed by membrane compression | Performing Operations; Transporting | 59 | Expired |
| US4781837A | Method of performing osmetic distillation | Emerging Cross-Sectional Technologies | 44 | Expired |
| US6651768B2 | Snowmobile engine mount | Performing Operations; Transporting | 29 | Expired |
| US5130025A | Membrane separation and purification of compounds | Performing Operations; Transporting | 28 | Expired |
| US9174702B1 | Snowmobile exhaust system | Performing Operations; Transporting | 22 | Active |
| US5098566A | Osmotic distillation process and semipermeable barriers therefor | Performing Operations; Transporting | 17 | Expired |
| US4040353A | Process for coloring surfaces | Physics | 13 | Expired |
| US10597105B2 | Snowmobile fuel tank and frame | Performing Operations; Transporting | 12 | Active |
| US9681695B2 | Helmet with chin cup | Human Necessities | 11 | Active |
| US5034069A | Low white cast iron grinding slug | Chemistry; Metallurgy | 11 | Expired |
| US5995522A | Pulsed optical parametric oscillator | Physics | 11 | Expired |
| US4717425A | Immobilized inorganic diffusion barriers and the use thereof in the separation of small molecular species from a solution | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6981564B2 | Side panel for a recreational vehicle | Performing Operations; Transporting | 9 | Expired |
| US6604600B2 | Method for assembling a vehicle | Performing Operations; Transporting | 9 | Expired |
| US4997676A | Immobilized inorganic diffusion barriers and the use thereof in the separation of small molecular species from a solution | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6695087B2 | Snowmobile engine mount | Performing Operations; Transporting | 8 | Expired |
| US3985925A | Composite floor coverings | Emerging Cross-Sectional Technologies | 8 | Expired |
| US10029567B2 | Throttle control module and vehicle | Physics | 7 | Active |
| US10450968B2 | Vehicle operation system and method | Mechanical Engineering; Lighting; Heating | 7 | Active |
| US9016420B1 | Continuously variable transmission mounting assembly | Performing Operations; Transporting | 7 | Active |
| US6001889A | Polymers with fractal structure | Chemistry; Metallurgy | 7 | Expired |
| US10865700B2 | Air intake and exhaust systems for a snowmobile engine | Emerging Cross-Sectional Technologies | 7 | Active |
| US6342180B1 | Magnesium-based casting alloys having improved elevated temperature properties | Chemistry; Metallurgy | 7 | Expired |
| US8542435B2 | Nested-cavity optical parametric oscillator for fast frequency tuning | Physics | 5 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.