Frank Hirschmann
21Patents
4h-index
30Co-inventors
63Inventor score
Filing activity: Dec 18, 1998 → Sep 25, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6234290A | Actuating installation for pneumatic clutch actuation with overload protection and/or incorrect-operation protection | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US6622836B2 | Release system for a clutch assembly | Mechanical Engineering; Lighting; Heating | 12 | 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 |
| US7472768B2 | Drive system, especially for a motor vehicle | Emerging Cross-Sectional Technologies | 4 | Active |
| US6259995A | Process and device for determining wear in a friction clutch | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US6755294B2 | Pressure plate assembly for a friction clutch | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US6782985B2 | Friction clutch, especially a multi-disk 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 |
| US6695115B2 | Process for adjusting a friction clutch system | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US6877595B2 | Friction clutch | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US6116400A | Assembly for a friction clutch | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US10889912B2 | Aluminium alloy strip for adhesive connection | Chemistry; Metallurgy | 1 | Active |
| US6695116B2 | Pressure plate assembly for a multi-disk clutch | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US6655518B2 | Housing arrangement for a pressure plate assembly, pressure plate assembly for a friction clutch | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US6915891B2 | Pressure plate assembly for a friction clutch | Mechanical Engineering; Lighting; Heating | 0 | Expired |
| US11131037B2 | Aluminium alloy sheet optimised for forming | Chemistry; Metallurgy | 0 | Active |
| US6672444B2 | Pressure plate assembly | Mechanical Engineering; Lighting; Heating | 0 | Expired |
| US11945008B2 | Roller cleaning method and roller cleaning machine | Performing Operations; Transporting | 0 | Active |
| US6736248B2 | Transport-securing arrangement for a pressure plate assembly of a multi-disk clutch | Mechanical Engineering; Lighting; Heating | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.