Average Co-Inventor Count = 3.43
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. Vetco Gray Inc. (2 from 452 patents)
2 patents:
1. 10753161 - Dual bit run bushing system and method
2. 8640777 - Expandable anchoring mechanism