French State
7Patents
0Active
7Granted
27Portfolio score
Filing activity: Mar 6, 1975 → Jan 29, 1985
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4616481A | Supercharged internal combustion engines having a bypass conduit and an auxiliary combustion chamber which are provided with a regulating system | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4009574A | Compression-ignition internal combustion engines | Emerging Cross-Sectional Technologies | 19 | Expired |
| US3998199A | Supercharged internal combustion engines | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US4026115A | Supercharged internal combustion engines, in particular diesel engines | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4430860A | Supercharged internal combustion engines, inter alia diesel engines | Emerging Cross-Sectional Technologies | 7 | Expired |
| US3996747A | Compression-ignition internal combustion engine and method of supercharging such engine | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4432206A | Supercharged internal combustion engines, in particular diesel engines, and in methods for starting up and regulating the speed of these engines | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.