LT

Lloyd W. Trevoy

HE Her Majesty The Queen In Right Of The Province Of Alberta, Government Of The Province Of Alberta, Department Of Energy And Natural Resources, Alberta Syncrude Equity: 2 patents #3 of 9Top 35%
CS Canada-Cities Service: 2 patents #3 of 15Top 20%
PL Pan Canadian Petroleum Limited: 2 patents #8 of 50Top 20%
PE Petro-Canada Exploration: 2 patents #3 of 17Top 20%
EL Esso Resources Canada Limited: 2 patents #6 of 45Top 15%
PC Petrofina Canada: 1 patents #3 of 9Top 35%
GL Gulf Canada Limited: 1 patents #13 of 32Top 45%
GL Gulf Canada Resources Limited: 1 patents #17 of 53Top 35%
HL Hudson'S Bay Oil And Gas Company Limited: 1 patents #5 of 15Top 35%
AE Alterra Energy: 1 patents #15 of 58Top 30%
📍 Edmonton, CA: #922 of 2,912 inventorsTop 35%
Overall (All Time): #2,361,241 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4372174 Method and apparatus for sampling a core of tar sand Lubomyr M. Cymbalisty, Alvin Maskwa, Jan Wojno 1983-02-08
4225422 Beneficiation of heavy minerals from bituminous sands residues by dry screening Alvin Maskwa 1980-09-30