Average Co-Inventor Count = 1.11
ph-index = 5
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. Wix Corporation (4 from 9 patents)
2. Dana Corporation (1 from 1,557 patents)
5 patents:
1. 4846223 - Self-venting spool valve assembly
2. 4732678 - Filter body having closely adjacent filter material
3. 4129429 - Dual element air filter
4. 4052307 - Universal filter mounting attachment
5. 4045349 - Filter with multiple attaching means