Average Co-Inventor Count = 2.40
ph-index = 1
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. Siemens Aktiengesellschaft (1 from 30,040 patents)
2. Carl Freudenberg Kg (1 from 510 patents)
3. A. Friedrich Flender Ag (1 from 1 patent)
2 patents:
1. 8900061 - Clutch device
2. 7104892 - Coupling