Average Co-Inventor Count = 2.00
ph-index = 1
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. Shell Canada Limited (1 from 8 patents)
2. Pecten International Company (1 from 1 patent)
1 patent:
1. 5318124 - Recovering hydrocarbons from tar sand or heavy oil reservoirs