Average Co-Inventor Count = 2.07
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 10,180 patents)
2. Cameron International Corporation (5 from 984 patents)
10 patents:
1. 12460502 - Wireline dynamic sealing packer
2. 12442267 - Control systems and methods for RCD active pressure compensation
3. 12416213 - Pressure release system for well intervention
4. 12331852 - Seal system for annular components
5. 11162318 - Tool catcher system
6. 10329875 - Apparatus and method for monitoring valve operation
7. 10309544 - Valve assembly
8. 10287837 - Hydraulic timing device
9. 10094194 - Subsea drilling system with pressure dampener
10. 10077623 - Valve with balanced blind seal ring