Average Co-Inventor Count = 3.98
ph-index = 3
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 (4 from 1,012 patents)
4 patents:
1. 8216496 - Filter element with sealing and method of producing the filter element
2. 8075658 - Filter element
3. 8062404 - Filter insert
4. 7637974 - Active carbon coated filter element for preventing the leaking of hydrocarbons