Average Co-Inventor Count = 3.00
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. Frank's Casing Crew and Rental Tools, Inc. (2 from 79 patents)
2 patents:
1. 5909768 - Apparatus and method for improved tubular grip assurance
2. 5791410 - Apparatus and method for improved tubular grip assurance