Michel Prigent
16Patents
12h-index
15Co-inventors
71Inventor score
Filing activity: Jun 18, 1980 → Feb 16, 1993
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4492769A | Pollution control catalyst for internal combustion engine exhaust system/catalytic converter and process for its preparation | Emerging Cross-Sectional Technologies | 88 | Expired |
| US4581343A | Process for the preparation of a pollution control catalyst for internal combustion engine exhaust system/catalytic converter | Emerging Cross-Sectional Technologies | 50 | Expired |
| US4621071A | Composite catalyst for treatment of vehicular exhaust gases and process for the preparation of the catalyst | Performing Operations; Transporting | 49 | Expired |
| US4931419A | Catalyst for the conversion of vehicular exhaust gases and process for preparing the catalyst | Emerging Cross-Sectional Technologies | 42 | Expired |
| US4492770A | Catalyst and use thereof in treating internal combustion engine exhaust gases | Emerging Cross-Sectional Technologies | 37 | Expired |
| US5413984A | Method for preparing multi-metal catalysts | Performing Operations; Transporting | 30 | Expired |
| US4426319A | Catalyst for treatment of exhaust gases from internal combustion engines | Emerging Cross-Sectional Technologies | 29 | Expired |
| US4985387A | Catalyst supports/catalysts for the treatment of vehicular exhaust gases | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4457895A | Catalytic muffler for purifying the exhaust gases of an internal combustion engine | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US4378307A | Pollution control catalyst for internal combustion engine exhaust system/catalytic converter | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4680282A | Pollution control catalyst for internal combustion engine exhaust gases and process for producing it | Performing Operations; Transporting | 16 | Expired |
| US5051392A | Multifunctional catalyst for treating exhaust fumes from internal combustion engines, containing uranium, at least one uranium promotor and at least one precious metal, and its preparation | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5053378A | Multi-purpose catalysts for vehicular catalytic converters | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5124304A | Multi-purpose catalyst for vehicular catalytics converters | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4363707A | Activated nickel-containing electrode and its use particularly for water electrolysis | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5386696A | Exhaust manifold with catalytic wall for internal-combustion engines | Emerging Cross-Sectional Technologies | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.