Average Co-Inventor Count = 7.00
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. Baker Hughes Corporation (2 from 5,728 patents)
2. Bj Services Company (2 from 266 patents)
4 patents:
1. 8127850 - Method of treating subterranean formations using sequential proppant stages
2. 7918277 - Method of treating subterranean formations using mixed density proppants or sequential proppant stages
3. 7472751 - Method of treating subterranean formations using mixed density proppants or sequential proppant stages
4. 7210528 - Method of treatment subterranean formations using multiple proppant stages or mixed proppants