Average Co-Inventor Count = 4.00
ph-index = 1
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 Company (1 from 1,479 patents)
2. Jim B. Surjaatmadja (0 patent)
3. Michael J. Lynch (0 patent)
4. Mark Ehlert (0 patent)
5. G. Allen Turner (0 patent)
1 patent:
1. 4990076 - Pressure control apparatus and method