Average Co-Inventor Count = 4.44
ph-index = 2
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. Mahle International Gmbh (2 from 1,472 patents)
2 patents:
1. 9873073 - Air filter element
2. 8940071 - Filter element, in particular air filter element