Average Co-Inventor Count = 4.00
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. National Oilwell Varco, L.p. (3 from 572 patents)
3 patents:
1. 9458682 - Coiled tubing injector with limited slip chains
2. 9151122 - Coiled tubing injector with limited slip chains
3. 8544536 - Coiled tubing injector with limited slip chains