Average Co-Inventor Count = 3.46
ph-index = 1
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 Oilfield Operations LLC (2 from 830 patents)
2. Vetco Gray Inc. (2 from 452 patents)
3. Ge Oil Gas Pressure Control LP (1 from 81 patents)
4. Hydril USA Distribution LLC (1 from 62 patents)
6 patents:
1. 11692409 - Gap control for wireline shear rams
2. 11053766 - Wireline blind shear ram
3. 10947804 - Metal-to-metal annulus wellhead style seal with pressure energized from above and below
4. 10927637 - System and method for reducing setting loads
5. 10865616 - Ported U-cup annular wellhead hanger seal
6. 10844687 - Wellhead seal energized by fluid pressure