Average Co-Inventor Count = 1.00
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. D1094487 - Drill bit cutter element
2. D1068885 - Drill bit cutter element
3. D1068886 - Drill bit cutter element