DK

Derrick Kershaw

PE Petro-Canada: 4 patents #4 of 85Top 5%
IR Imperial Oil Resources: 4 patents #4 of 40Top 10%
ML Mocal Energy Limited: 4 patents #4 of 49Top 9%
MC Murphy Oil Company: 4 patents #4 of 50Top 8%
AI Athabasca Oil Sands Investment: 4 patents #2 of 25Top 8%
CP Canadian Occidental Petroleum: 4 patents #7 of 52Top 15%
CI Canadian Oil Sands Investments: 4 patents #2 of 28Top 8%
GL Gulf Canada Resources Limited: 4 patents #3 of 53Top 6%
AP Aec Oil Sands Limited Partnership: 3 patents #2 of 28Top 8%
AE Alterra Energy: 2 patents #6 of 58Top 15%
AS Aec Oil Sands: 2 patents #4 of 31Top 15%
📍 Fort McMurray, CA: #16 of 119 inventorsTop 15%
Overall (All Time): #1,278,731 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6076753 Agitated slurry pump box for oil sand hydrotransport Waldemar Maciejewski, George Cymerman, Jim McTurk 2000-06-20
6027056 Slurrying oil sand for hydrotransport in a pipeline Waldemar Maciejewski, Jim McTurk 2000-02-22
5954277 Agitated slurry pump box for oil sand hydrotransport Waldemar Maciejewski, George Cymerman, Jim McTurk 1999-09-21
5772127 Slurrying oil sand for hydrotransport in a pipeline Waldemar Maciejewski, Jim McTurk 1998-06-30