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Calgary, Canada

Canadian Occidental Petroleum Ltd.

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USPTO Granted Patents = 36

Forward Citations = 1,722

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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)

Core Competencies:

Bitumen Separation

Oil Sand Hydrotransport

Pipeline Conditioning

Froth Treatment

Emulsion Preparation

Hydrocarbon Recovery

Slurry Pumping

Surfactant Monitoring

Microbubble Flotation

Tailings Treatment

Fracture Stimulation

Ultrasonic Conversion

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),

Company Overview

Canadian Occidental Petroleum Ltd. is a prominent player in the oil and gas sector, primarily focused on exploration and production activities. Headquartered in Calgary, Canada, the company specializes in developing energy resources with an emphasis on sustainable practices and innovative technologies. Its operations span various regions, contributing to the energy landscape through efficient resource management and a commitment to environmental stewardship. The organization is dedicated to advancing energy solutions that meet both current and future demands.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

36 Patents

#20 in Calgary

#376 in Canada

#18,756 in the World

Calgary, Canada

Canadian Occidental Petroleum Ltd.

Forward Citations = 1,722

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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Canadian Occidental Petroleum Ltd.. Retrieved from https://idiyas.com/company/canadian-occidental-petroleum

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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