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. (571 patents)
2. Varco I/p, Inc. (191 patents)
1 patent:
1. D631492 - Module for drilling fluid pump system