Average Co-Inventor Count = 7.00
ph-index = 2
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. Transocean Sedco Forex Ventures Limited (2 from 59 patents)
2 patents:
1. 8631874 - Apparatus and method for managed pressure drilling
2. 7866399 - Apparatus and method for managed pressure drilling