Average Co-Inventor Count = 2.46
ph-index = 9
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. Hydril Company (11 from 277 patents)
2. Hydril USA Manufacturing LLC (7 from 67 patents)
3. Hydril USA Distribution LLC (3 from 62 patents)
4. General Electric Company (1 from 51,886 patents)
5. Hydrill USA Manufacturing LLC (1 from 3 patents)
23 patents:
1. 10550660 - Blind shear ram
2. 10190380 - Method for monitoring a sealing element
3. 9109421 - Deformation resistant opening chamber head and method
4. 9109405 - Gas handler, riser assembly, and method
5. 8844613 - Shear blade and method of attachment to shear rams
6. 8573557 - Bidirectional ram BOP and method
7. 8464785 - Pipe guide arms for blind shear rams
8. 8413724 - Gas handler, riser assembly, and method
9. 8230930 - Mounts for blowout preventer bonnets and methods of use
10. 7802626 - Mounts for blowout preventer bonnets and methods of use
11. 7784536 - Packer insert for sealing on multiple items used in a wellbore
12. 7588075 - Packer insert for sealing on multiple items used in a wellbore
13. 7281586 - Mounts for blowout preventer bonnets
14. 7246666 - Mounts for blowout preventer bonnets
15. 7121348 - Mounts for blowout preventer bonnets