Average Co-Inventor Count = 2.24
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. Halliburton Energy Services, Inc. (7 from 11,766 patents)
2. Baker Hughes Corporation (2 from 5,728 patents)
3. Dril-quip, Inc. (2 from 170 patents)
11 patents:
1. 9909388 - Pressure indexing sliding side door with rapid actuation
2. 9695678 - Subterranean hydraulic jack
3. 9506319 - Composite wellbore ball valve
4. 9360123 - Valve
5. 9328584 - Debris anti-compaction system for ball valves
6. 9217309 - Hybrid-tieback seal assembly using method and system for interventionless hydraulic setting of equipment when performing subterranean operations
7. 9206670 - Independent dual actuated subsurface safety valve
8. 9163480 - Decoupling a remote actuator of a well tool
9. 9080404 - Method and system for interventionless hydraulic setting of equipment when performing subterranean operations
10. 8607882 - Load balancing spherical diameter single seat ball system
11. 8534360 - Debris anti-compaction system for ball valves