Average Co-Inventor Count = 2.40
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. Carbon Fuels Corporation (1 from 15 patents)
2. Western Research Institute (1 from 13 patents)
2 patents:
1. 4938782 - Method of refining coal by short residence time hydrodisproportionation
2. 4848460 - Contained recovery of oily waste