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. Petrolite Corporation (1 from 429 patents)
1 patent:
1. 4918959 - Method for preventing the buildup of oily deposits on rolling mill scale