Average Co-Inventor Count = 2.40
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)
2. Superior Energy Services, LLC (1 from 27 patents)
2 patents:
1. 8240374 - Apparatus and methods for limiting debris flow back into an underground base pipe of an injection well
2. 7793716 - Apparatus and methods for limiting debris flow back into an underground base pipe of an injection well