Average Co-Inventor Count = 3.75
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. Mann+hummel Gmbh (1 from 1,011 patents)
2. Fleetguard, Inc. (1 from 181 patents)
2 patents:
1. 7407057 - Plastic transmission filter
2. 6554140 - Spin-on filter assembly