Average Co-Inventor Count = 3.43
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. Rtr Riotinto Til Holding S.a. (1 from 2 patents)
2. Ingeco International S.a. (1 from 1 patent)
2 patents:
1. 4459200 - Recovery of hydrocarbons from tar sands
2. 4396498 - Treatment of heterogeneous liquid materials