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. Thrubit, B.v. (1 from 6 patents)
2. Schlumberger Canada Limited (16 patents)
3. Schlumberger Holdings Limited (0 patent)
1 patent:
1. 8607876 - Flapper valve