Average Co-Inventor Count = 3.90
ph-index = 4
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Zf Sachs Ag (11 from 141 patents)
2. Mannesmann Sachs Ag (7 from 353 patents)
18 patents:
1. 7472768 - Drive system, especially for a motor vehicle
2. 6918479 - Diaphragm spring for a friction clutch
3. 6915891 - Pressure plate assembly for a friction clutch
4. 6877596 - Diaphragm spring for a friction clutch
5. 6877595 - Friction clutch
6. 6782985 - Friction clutch, especially a multi-disk clutch
7. 6755294 - Pressure plate assembly for a friction clutch
8. 6745884 - Housing arrangement for a friction clutch
9. 6736248 - Transport-securing arrangement for a pressure plate assembly of a multi-disk clutch
10. 6695116 - Pressure plate assembly for a multi-disk clutch
11. 6695115 - Process for adjusting a friction clutch system
12. 6672444 - Pressure plate assembly
13. 6655518 - Housing arrangement for a pressure plate assembly, pressure plate assembly for a friction clutch
14. 6622836 - Release system for a clutch assembly
15. 6259995 - Process and device for determining wear in a friction clutch