Average Co-Inventor Count = 3.46
ph-index = 3
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. Conoco Inc. (3 from 860 patents)
3 patents:
1. 5653287 - Cryogenic well stimulation method
2. 5464061 - Cryogenic coal bed gas well stimulation method
3. 5402847 - Coal bed methane recovery