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. Bj Services Company, U.s.a. (1 from 33 patents)
1 patent:
1. RE40648 - System and method for downhole operation using pressure activated valve and sliding sleeve