Average Co-Inventor Count = 2.31
ph-index = 5
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. Firma Carl Freudenberg (5 from 629 patents)
5 patents:
1. 5562544 - Torsional vibration damper
2. 5453056 - Belt pulley
3. 5409423 - Belt pulley
4. 5377962 - Rotational vibration damper
5. 5352157 - Speed-adaptive torsional vibration damper