Average Co-Inventor Count = 3.00
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. Purolator Filters Na LLC (2 from 18 patents)
2. Mann+hummel Purolator Filters LLC (1 from 10 patents)
3 patents:
1. 8636901 - Two part resilient combination bottom support and relief valve end seal assembly for fluid filters
2. 8361314 - Single piece resilient combination bottom support and relief valve end seal element for fluid filters
3. 8221619 - One piece combination anti-drain back and relief valve