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 Dht, L.p. (1 from 63 patents)
1 patent:
1. 9604345 - Hard-facing for downhole tools and matrix bit bodies with enhanced wear resistance and fracture toughness