Average Co-Inventor Count = 5.00
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. Mahle International Gmbh (1 from 1,473 patents)
2. Knecht Filterwerke Gmbh (1 from 15 patents)
2 patents:
1. 9790889 - Piston
2. 5983870 - Adsorption filter for the fuel tank venting system of an internal