Average Co-Inventor Count = 2.25
ph-index = 7
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. Oil States Energy Services, Llc. (28 from 46 patents)
2. Stinger Wellhead Protection, Inc. (15 from 69 patents)
3. Stinger Wellhand Protection, Inc. (1 from 1 patent)
4. Oil Sttes Energy Services, L.l.c. (1 from 1 patent)
45 patents:
1. 12287039 - Valve with pressure differential seating
2. 12259064 - Valve with pressure differential seating
3. 11725738 - Valve assembly method
4. 11655900 - Valve with pressure differential seating
5. 11585199 - Frac manifold isolation tool
6. 11572956 - Valve with pressure differential seating
7. 11428088 - Frac manifold isolation tool
8. 11214455 - Extendable spool
9. 11168528 - Universal atmospheric deployment device
10. 11091993 - Zipper bridge
11. 11028929 - Valve with pressure differential seating
12. 10969023 - Valve with pressure differential seating
13. 10895139 - Frac manifold isolation tool
14. 10858902 - Frac manifold and connector
15. 10570692 - Zipper bridge