Average Co-Inventor Count = 1.33
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. The Gorman-Rupp Company (2 from 46 patents)
2 patents:
1. D915552 - Air release valve
2. D856482 - Air release valve