Average Co-Inventor Count = 2.44
ph-index = 13
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/lamb, Inc. (17 from 1,209 patents)
2. Halliburton Energy Services, Inc. (9 from 11,766 patents)
3. Weatherford Technology Holdings, LLC (7 from 892 patents)
4. Petroquip Energy Services, Llp (6 from 28 patents)
5. Otis Engineering Corporation (5 from 461 patents)
6. Petrofrac Oil Tools, LLC (3 from 3 patents)
7. Halliburton Company (2 from 1,479 patents)
8. Robert J. Coon (0 patent)
9. Roddie R. Smith (0 patent)
10. Robert P. Badrak (0 patent)
11. Patrick G. Maguire (0 patent)
49 patents:
1. 11879320 - Particle trap apparatus and method
2. 11773691 - Remotely operated isolation valve
3. 11193347 - Slip insert for tool retention
4. 11021926 - Apparatus, system, and method for isolating a tubing string
5. 11015408 - Frac plug with integral setting tool
6. 10895130 - Remotely operated isolation valve
7. 10890048 - Signal operated isolation valve
8. 10633946 - Frac plug with retention mechanism
9. 10626715 - Downhole communication device
10. 10563476 - Frac plug with integrated flapper valve
11. 10385651 - Frac plug with retention mechanisim
12. 10378305 - Frac plug with retention mechanism
13. 10214999 - Remotely operated isolation valve
14. 10151171 - Signal operated isolation valve
15. 9528345 - Hydraulic communication device