WS

William Edward Shelfantook

AS Aec Oil Sands: 1 patents #7 of 31Top 25%
AP Aec Oil Sands Limited Partnership: 1 patents #7 of 28Top 25%
AI Athabasca Oil Sands Investment: 1 patents #6 of 25Top 25%
CP Canadian Occidental Petroleum: 1 patents #21 of 52Top 45%
CI Canadian Oil Sands Investments: 1 patents #7 of 28Top 25%
GL Gulf Canada Resources Limited: 1 patents #17 of 53Top 35%
IR Imperial Oil Resources: 1 patents #11 of 40Top 30%
ML Mocal Energy Limited: 1 patents #15 of 49Top 35%
MC Murphy Oil Company: 1 patents #17 of 50Top 35%
PE Petro-Canada: 1 patents #29 of 85Top 35%
📍 Edmonton, CA: #922 of 2,912 inventorsTop 35%
Overall (All Time): #2,225,097 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6214213 Solvent process for bitumen seperation from oil sands froth Robert N. Tipman, Yi LONG 2001-04-10
4859317 Purification process for bitumen froth Alexander Hyndman, Larry P. Hackman 1989-08-22