Average Co-Inventor Count = 4.12
ph-index = 4
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. Halliburton Manufacturing and Services Limited (17 from 34 patents)
2. Darcy Technologies Limited (3 from 3 patents)
3. Halliburton Energy Services, Inc. (1 from 11,817 patents)
21 patents:
1. 12037873 - Downhole apparatus with a valve arrangement
2. 12018546 - Downhole apparatus with a valve arrangement
3. 12018547 - Downhole apparatus with a valve arrangement
4. 12012825 - Downhole apparatus with a valve arrangement
5. 12006790 - Downhole apparatus with a valve arrangement
6. 11946339 - Downhole apparatus with a valve arrangement
7. 11939839 - Downhole apparatus with a valve arrangement
8. 11920434 - Downhole apparatus with a valve arrangement
9. 11920433 - Downhole apparatus with a valve arrangement
10. 11828134 - Downhole apparatus with a valve arrangement
11. 11542779 - Downhole apparatus with a valve arrangement
12. 11215037 - Downhole apparatus
13. 10975660 - Downhole apparatus with a valve arrangement
14. 10718183 - Downhole apparatus for disrupting filter cake
15. 10613691 - Downhole apparatus