Average Co-Inventor Count = 2.53
ph-index = 4
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. Baker Hughes Corporation (3 from 5,728 patents)
2. Firth Rixson Limited (3 from 3 patents)
3. Bj Services Company (2 from 266 patents)
8 patents:
1. 9061346 - Die locking system and method
2. 8905126 - Expandable mill and methods of use
3. 8511136 - Gripper assembly for a manipulator and method of use
4. 8141627 - Expandable mill and methods of use
5. 7926574 - Fluid actuated circulating sub
6. 7766086 - Fluid actuated circulating sub
7. 7596979 - Ring mill apparatus and method
8. 7520336 - Multiple dart drop circulating tool