Average Co-Inventor Count = 4.00
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. Chemfil Corporation (1 from 8 patents)
2. Ppg Industries, Inc. (2,825 patents)
1 patent:
1. 5223141 - Method for removing and recovering paint overspray in a water wash spray