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. Varco I/p, Inc. (1 from 191 patents)
1 patent:
1. 6629572 - Operator workstation for use on a drilling rig including integrated control and information