Willi Springer
4Patents
3h-index
14Co-inventors
47Inventor score
Filing activity: Feb 27, 1979 → Jan 24, 1996
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4267811A | Cylinder head for a mixture-compressing internal combustion engine | Mechanical Engineering; Lighting; Heating | 33 | Expired |
| US4284042A | Multicylinder internal combustion engine with valve disconnection | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4957068A | Liquid-cooled four-valve cylinder head for a multi-cylinder internal combustion engine | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5722361A | Internal combustion engine with pistons that rotate about a center line | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.