Average Co-Inventor Count = 2.06
ph-index = 3
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. Schlumberger Technology Corporation (5 from 10,178 patents)
2. Cameron International Corporation (1 from 984 patents)
3. Services Petroliers Schlumberger (0 patent)
6 patents:
1. 11174696 - Blowout preventer with choke and kill line pass through conduits
2. 11098550 - Blowout preventer with wide flange body
3. 10753169 - Intelligent pressure control devices and methods of use thereof
4. 10738555 - Choke manifold for drilling and producing a surface wellbore
5. 10487587 - Methods for drilling and producing a surface wellbore
6. 9951584 - Segmented guide funnel