Average Co-Inventor Count = 4.13
ph-index = 5
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. Weatherford Technology Holdings, LLC (14 from 892 patents)
2. Weatherford/lamb, Inc. (7 from 1,209 patents)
3. Stewart & Stevenson LLC (5 from 25 patents)
4. Katz Water Tech, LLC (2 from 21 patents)
28 patents:
1. 12013191 - Coiled spring
2. 11773691 - Remotely operated isolation valve
3. 11753916 - Integrated fracking system
4. 11724210 - Heat sink evaporator
5. 11719230 - Well servicing pump with electric motor
6. 11598190 - Dual pump integrated fracking system
7. 11578579 - Wellsite adaptive power management system
8. 11549506 - Wellsite electrical power management system
9. 10895130 - Remotely operated isolation valve
10. 10890048 - Signal operated isolation valve
11. 10753177 - Method and apparatus for actuating downhole tools
12. 10287852 - Method and apparatus for actuating downhole tools
13. 10214999 - Remotely operated isolation valve
14. 10196883 - Long-stroke pumping unit
15. 10180041 - Isolation valve with debris control and flow tube protection