Average Co-Inventor Count = 3.00
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. (1 from 571 patents)
2 patents:
1. 8061445 - Drilling fluid pump systems and methods
2. D631492 - Module for drilling fluid pump system