Average Co-Inventor Count = 14.99
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. Mann+hummel Gmbh (1 from 1,011 patents)
2. Albemarle Germany Gmbh (23 patents)
1 patent:
1. 8741016 - Filter device