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Calgary, Canada

Canadian Occidental Petroleum Ltd.

USPTO Granted Patents = 36

Forward Citations = 1,713

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56 inventors (with patents filed for the assignee):

Armand A Gregoli (11 out of 16 patents)

Andrew M Olah (10 out of 20 patents)

Daniel P Rimmer (10 out of 12 patents)

4. John A Hamshar (8 out of 10 patents)

5. George Cymerman (3 out of 9 patents)

6. Waldemar Maciejewski (3 out of 6 patents)

7. George J Cymerman (3 out of 3 patents)

8. Erdal Yildirim (3 out of 3 patents)

9. Antony H Leung (3 out of 3 patents)

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

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

12. Jim McTurk (2 out of 5 patents)

13. Derrick Kershaw (2 out of 4 patents)

14. Christopher J Riley (2 out of 2 patents)

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

36 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. 6007708 - Cold dense slurrying process for extracting bitumen from oil sand (1999-12-28),

4. 6003789 - Nozzle for atomizing liquid in two phase flow (1999-12-21),

5. 5988198 - Process for pumping bitumen froth through a pipeline (1999-11-23),

6. 5954277 - Agitated slurry pump box for oil sand hydrotransport (1999-09-21),

7. 5876592 - Solvent process for bitumen separation from oil sands froth (1999-03-02),

8. 5494150 - Conveyor belt system with shock-absorbing belt side travel control means (1996-02-27),

9. 5492628 - Process for reducing sludge accumulation in the hot water extraction (1996-02-20),

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

11. 5449039 - Apparatus and method for horizontal well fracture stimulation (1995-09-12),

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

13. 5340467 - Process for recovery of hydrocarbons and rejection of sand (1994-08-23),

14. 5316664 - Process for recovery of hydrocarbons and rejection of sand (1994-05-31),

15. 5290433 - Froth washer (1994-03-01),

Canadian Occidental Petroleum Ltd. is a Canadian oil and gas company. With operations primarily in Canada, the company focuses on exploration, development, and production of oil and natural gas reserves. They have a diverse portfolio of assets, which includes both conventional and unconventional resources. Canadian Occidental Petroleum Ltd. is committed to maintaining a sustainable approach while delivering value to their shareholders and stakeholders.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

36 Patents

#20 in Calgary

#354 in Canada

#18,154 in the World

Calgary, Canada

Canadian Occidental Petroleum Ltd.

Forward Citations = 1,713

56 inventors:

Armand A Gregoli (11 out of 16 patents)

Andrew M Olah (10 out of 20 patents)

Daniel P Rimmer (10 out of 12 patents)

4. John A Hamshar (8 out of 10 patents)

5. George Cymerman (3 out of 9 patents)

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