Average Co-Inventor Count = 2.40
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. Williams International (2 from 68 patents)
2 patents:
1. 4922997 - Friction drive toroidal regenerator
2. 4809770 - Archbound seal for toroidal regenerator