Average Co-Inventor Count = 2.00
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. Humphrey Products Company (2 from 27 patents)
2 patents:
1. 12359739 - Expandable sealing sleeve with rigid support
2. 11662038 - Modular valve assembly