Average Co-Inventor Count = 7.00
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. Varco I/p, Inc. (1 from 191 patents)
1 patent:
1. 7306057 - Thermal drill cuttings treatment with weir system