Average Co-Inventor Count = 4.04
ph-index = 2
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. Schlumberger Technology Corporation (4 from 10,180 patents)
2. Hydril USA Manufacturing LLC (1 from 67 patents)
3. Nextier Completion Solutions Inc. (1 from 13 patents)
4. Thrubit, B.v. (1 from 6 patents)
7 patents:
1. 11242723 - Frac ball dispenser
2. 10253576 - Downhole tool impact dissipating tool
3. 9739102 - Downhole tool impact dissipating tool
4. 9567812 - Downhole tool impact dissipating tool
5. 8813876 - Downhole tool impact dissipating tool
6. 8607876 - Flapper valve
7. 8113544 - Rotating fluid union