Walter Piock
15Patents
8h-index
6Co-inventors
57Inventor score
Filing activity: Mar 30, 1995 → Aug 22, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5727520A | Four-stroke internal combustion engine with spark ignition | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5979399A | Internal combustion engine with spark ignition | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6125817A | Internal combustion engine with spark ignition | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6047592A | Four-stroke internal combustion engine with spark ignition | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5921215A | Four-stroke internal combustion engine with spark ignition | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6062192A | Internal combustion engine with spark ignition | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5622150A | Method for introducing fuel into a combustion chamber of an internal combustion engine | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6158410A | Internal combustion engine with at least one injection device per cylinder | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5642706A | Internal combustion engine with spark ignition | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6578547B2 | Spark-ignition internal combustion engine with direct injection | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5988136A | Method of introducing fuel into the combustion chamber of an internal combustion spark-ignition engine with direct fuel injection | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5590635A | Device for introducing fuel into the combustion chamber of an internal combustion engine | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US6089212A | Internal combustion engine | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US5647336A | Device for introducing fuel into a combustion chamber of an internal combustion engine | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US5762041A | Four-stroke internal combustion engine | Emerging Cross-Sectional Technologies | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.