Peter Ropertz
19Patents
7h-index
48Co-inventors
66Inventor score
Filing activity: Jun 22, 1992 → Nov 20, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5950586A | Air conduction system for a vehicle | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5575256A | Throttle valve housing formed of molded plastic | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US5615861A | Throttle device for an internal combustion engine | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US6772738B2 | Injection system for internal combustion engines with improved starting properties | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US7401593B2 | High-pressure fuel pump with a pressure relief valve | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US5209211A | Throttle valve connection piece | Emerging Cross-Sectional Technologies | 9 | Expired |
| US11522416B2 | Electric drive system | Performing Operations; Transporting | 8 | Active |
| US5632245A | Actuating device for a throttling member | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US5216992A | Throttle device actuator | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US6227159A | Air pipe line distribution system | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US8202065B2 | High pressure fuel pump | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US5915366A | Device for regulating the intake air temperature in an internal combustion engine | Emerging Cross-Sectional Technologies | 1 | Expired |
| US11552536B2 | Electric motor and inverter assembly | Emerging Cross-Sectional Technologies | 0 | Active |
| US10428814B2 | Piston fuel pump for an internal combustion engine | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10400727B2 | Piston fuel pump for an internal combustion engine | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10851752B2 | Piston fuel pump and check valve therefore | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10288025B2 | Piston fuel pump for an internal combustion engine | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10947942B2 | High-pressure fuel pump | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10352284B2 | Piston fuel pump | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.