Rolf Duerrstein
4Patents
4h-index
11Co-inventors
47Inventor score
Filing activity: Oct 27, 1994 → Aug 23, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5736040A | Filter assembly including a reinforced radial seal | Performing Operations; Transporting | 60 | Expired |
| US6126818A | Filter system for the lubricant of an internal combustion engine | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5887562A | Internal-combustion engine with independent module subassembly | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US9074522B2 | Four-way exhaust gas valve | Mechanical Engineering; Lighting; Heating | 7 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.