Erwin Ziegler
15Patents
4h-index
28Co-inventors
56Inventor score
Filing activity: Sep 17, 1987 → Aug 11, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4848555A | Twin-disc clutch | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US6206158A | Wear indicator for friction clutches | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US6745884B2 | Housing arrangement for a friction clutch | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US6662923B2 | Pressure plate assembly | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US4809835A | Releaser snap connection for a pulled-type diaphragm spring clutch | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6695115B2 | Process for adjusting a friction clutch system | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US6782985B2 | Friction clutch, especially a multi-disk clutch | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US6755294B2 | Pressure plate assembly for a friction clutch | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US6918479B2 | Diaphragm spring for a friction clutch | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US6877596B2 | Diaphragm spring for a friction clutch | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US6116400A | Assembly for a friction clutch | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US6695116B2 | Pressure plate assembly for a multi-disk clutch | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US6672444B2 | Pressure plate assembly | Mechanical Engineering; Lighting; Heating | 0 | Expired |
| US6736248B2 | Transport-securing arrangement for a pressure plate assembly of a multi-disk clutch | Mechanical Engineering; Lighting; Heating | 0 | Expired |
| US6845855B2 | Pressure plate assembly for a friction clutch | Mechanical Engineering; Lighting; Heating | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.