Average Co-Inventor Count = 3.60
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. Filtration Group Gmbh (3 from 11 patents)
3 patents:
1. 10232295 - Filter including support frame
2. D544949 - Air filter
3. 7156891 - Forced air system air filter