Average Co-Inventor Count = 2.33
ph-index = 8
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. Vetco Gray Inc. (33 from 452 patents)
2. Other (4 from 832,680 patents)
3. Abb Vetco Gray Incorporated (4 from 188 patents)
4. Baker Hughes Oilfield Operations LLC (2 from 830 patents)
5. Cameron Iron Works Usa, Inc. (2 from 68 patents)
45 patents:
1. 12055006 - Subsea casing hanger running tool with anti-rotation feature and method for rotating casing into complex and deviated wellbores
2. 11555370 - Subsea casing hanger running tool with anti-rotation feature and method for rotating casing into complex and deviated wellbores
3. 10900316 - Wellhead seal with pressure energizing from below
4. 10822907 - Wellbore seal energizing ring with retaining feature
5. 10508505 - Flow-by holes with gallery and channel arrangement on wellhead and tubular hanger
6. 10233711 - Wellbore seal energizing ring with retaining feature
7. 10184311 - Wellhead seal assembly with lockdown and slotted arrangement
8. 10174574 - Insert for use with wellhead housing having flow-by path
9. 10138698 - External locking mechanism for seal energizing ring
10. 10094192 - Wickers with trapped fluid recesses for wellhead assembly
11. 9982503 - Wellhead metal seal with energizing ring having trapped fluid reliefs
12. 9797214 - Casing hanger shoulder ring for lock ring support
13. 9797215 - Ratcheted E-ring retention device
14. 9765588 - High strength inlay to improve lock-down capacity in a wellhead
15. 9732582 - Wellbore sealing with hybrid wicker system