For the Inventor, By the Inventor

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Calgary, Canada

Gulf Canada Resources Limited

USPTO Granted Patents = 26

CIPO Patents = 2

Forward Citations = 627

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50 inventors (with patents filed for the assignee):

Waldemar Maciejewski (5 out of 6 patents)

Jim McTurk (4 out of 5 patents)

Derrick Kershaw (4 out of 4 patents)

4. George Cymerman (3 out of 9 patents)

5. Ken N Sury (2 out of 12 patents)

6. Edward W Chan (2 out of 3 patents)

7. John Antho Falcon (2 out of 4 patents)

8. Lubomyr M Cymbalisty (2 out of 7 patents)

9. Aldo Corti (2 out of 3 patents)

10. George J Cymerman (2 out of 3 patents)

11. Waldemar B Maciejewski (2 out of 2 patents)

12. Gordon R Thompson (2 out of 3 patents)

13. Wayne B Jansen (2 out of 3 patents)

14. Antony H Leung (2 out of 3 patents)

15. Robert C Shaw (2 out of 3 patents)

26 patents: Sort by Forward Citations

1. 6119870 - Cycloseparator for removal of coarse solids from conditioned oil sand (2000-09-19),

2. 6076753 - Agitated slurry pump box for oil sand hydrotransport (2000-06-20),

3. 6027056 - Slurrying oil sand for hydrotransport in a pipeline (2000-02-22),

4. 6007708 - Cold dense slurrying process for extracting bitumen from oil sand (1999-12-28),

5. 6003789 - Nozzle for atomizing liquid in two phase flow (1999-12-21),

6. 5988198 - Process for pumping bitumen froth through a pipeline (1999-11-23),

7. 5954277 - Agitated slurry pump box for oil sand hydrotransport (1999-09-21),

8. 5876592 - Solvent process for bitumen separation from oil sands froth (1999-03-02),

9. 5772127 - Slurrying oil sand for hydrotransport in a pipeline (1998-06-30),

10. 5494150 - Conveyor belt system with shock-absorbing belt side travel control means (1996-02-27),

11. 5492628 - Process for reducing sludge accumulation in the hot water extraction (1996-02-20),

12. 5460270 - Oil sand extraction process with in-line middlings aeration and recycle (1995-10-24),

13. 5376276 - In situ primary froth quality measurements using microwave monitor (1994-12-27),

14. 5290433 - Froth washer (1994-03-01),

15. 5264118 - Pipeline conditioning process for mined oil-sand (1993-11-23),

Gulf Canada Resources Limited is a Canadian energy company engaged in the exploration, development, and production of oil and natural gas. With a rich history dating back to 1906, Gulf Canada has become a leading player in the energy sector, operating both domestically and internationally. The company is dedicated to responsible and sustainable practices, ensuring the long-term viability of its operations. Visit their website to learn more about Gulf Canada's projects, expertise, and commitment to energy excellence.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

26 Patents

#33 in Calgary

#517 in Canada

#24,071 in the World

Calgary, Canada

Gulf Canada Resources Limited

Forward Citations = 627

50 inventors:

Waldemar Maciejewski (5 out of 6 patents)

Jim McTurk (4 out of 5 patents)

Derrick Kershaw (4 out of 4 patents)

4. George Cymerman (3 out of 9 patents)

5. Ken N Sury (2 out of 12 patents)

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