Average Co-Inventor Count = 4.38
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. Hydril USA Distribution LLC (7 from 62 patents)
2. Bp Corporation North America Inc. (2 from 494 patents)
3. General Electric Company (1 from 51,886 patents)
4. Baker Hughes, a Ge Compnay, LLC (1 from 1,388 patents)
5. Vetco Gray Inc. (1 from 452 patents)
12 patents:
1. 12366133 - Hardfaced metal surface and method of manufacture
2. 12123274 - Hardfaced metal surface and method of manufacture
3. 11401770 - Hardfaced metal surface and method of manufacture
4. 11053766 - Wireline blind shear ram
5. 10655420 - Blowout prevention system including blind shear ram
6. 10513894 - Systems and methods for automatically operating an electro-hydraulic spider
7. 10370927 - Blowout prevention system including blind shear ram
8. 10077621 - Diverter flow line insert packer seal
9. 9945401 - Failsafe system and method for reducing load in a hydraulic cylinder
10. 9759018 - System and method of alignment for hydraulic coupling
11. 8511387 - Made-up flange locking cap
12. 8499838 - Subsea locking connector