Average Co-Inventor Count = 4.00
ph-index = 2
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. Enfield Industrial Corporation (2 from 4 patents)
2 patents:
1. 5529656 - Method of making fitting joint for double containment pipe
2. 5433484 - Double containment pipe and fitting joint