Walter Siepmann
5Patents
3h-index
6Co-inventors
50Inventor score
Filing activity: Jun 25, 1975 → Jan 3, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3975810A | Valve housing and method of making the same | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4243204A | Valve housings made from steel, especially for gate valves | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6082312A | Hand-guided appliance with an internal combustion engine with direct electronic injection | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US4505454A | Check valve | Emerging Cross-Sectional Technologies | 2 | Expired |
| US7383801B1 | Valve gear for load change valves of internal combustion engines | Mechanical Engineering; Lighting; Heating | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.