Average Co-Inventor Count = 1.50
ph-index = 2
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. Other (1 from 832,812 patents)
2. 3m Innovative Properties Company (1 from 14,073 patents)
3. Fracmaster, LLC (7 patents)
4. Ronald G. Pierce (0 patent)
5. D. V. Satyanarayana Gupta (0 patent)
6. Cheryl L. Senger Elsbernd (0 patent)
2 patents:
1. 6729409 - Foamed nitrogen in liquid CO2 for fracturing
2. 6235701 - Stabilized carbon dioxide fluid composition and use thereof