Average Co-Inventor Count = 5.00
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. Dril-quip, Inc. (1 from 170 patents)
1 patent:
1. 9784064 - Methods and systems for operating a downhole tool