Average Co-Inventor Count = 1.23
ph-index = 4
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. Arvin Technologies, Inc. (3 from 66 patents)
2. Purolator Products Na, LLC (1 from 7 patents)
4 patents:
1. 6994796 - Method of removing filter from filter cap
2. 6926156 - Center tube
3. 6770196 - Filter cap with releasable filter element
4. 6572768 - Oil filter apparatus