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. Pan Canadian Petroleum Limited (1 from 31 patents)
2. Esso Resources Canada Limited (1 from 30 patents)
3. Canada-cities Service, Ltd. (1 from 28 patents)
4. Gulf Canada Resources Limited (1 from 26 patents)
5. Alberta Energy Company Ltd. (1 from 25 patents)
6. Petro-canada Exploration Inc. (1 from 22 patents)
7. Her Majesty the Queen in Right of the Province of Alberta, Government of (1 from 21 patents)
8. Hudson's Bay Oil and Gas Company Limited (1 from 10 patents)
9. Petrofina Canada Inc. (1 from 5 patents)
1 patent:
1. 4456536 - Skimmer apparatus for recovering bitumen