Average Co-Inventor Count = 2.86
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 Filtersysteme Gmbh (1 from 30 patents)
2. Knecht Filterwerke Gmbh (1 from 15 patents)
2 patents:
1. 6706087 - Filter body of a fluid filter, especially an air filter
2. 6368506 - Ring encasement with clamps for zigzag fold paper