Average Co-Inventor Count = 7.00
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 Oil Comapny (1 from 7,645 patents)
2. Marathon Oil Canada Corporation (15 patents)
3. Chevron Canada Limited (0 patent)
4. Canadian Natural Upgrading Limited (0 patent)
5. Shell Canada Energy, a General Partnership Formed Under the Laws of the Province of Alberta (0 patent)
1 patent:
1. 8771502 - Closed loop solvent extraction process for oil sands