Average Co-Inventor Count = 2.40
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. Stone & Webster Engineering Corp. (2 from 122 patents)
2 patents:
1. 4459071 - Solids flow regulator
2. 4433193 - Process for the production of ethane