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Toronto, Canada

Gulf Oil Canada Ltd.

USPTO Granted Patents = 22

Forward Citations = 314

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26 inventors (with patents filed for the assignee):

Emerson Sanford (4 out of 4 patents)

Kenneth Porteous (3 out of 3 patents)

Thaddeus E Kizior (3 out of 3 patents)

4. Robert Shaw (3 out of 3 patents)

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

6. Maurice Moyle (2 out of 2 patents)

7. Eric C Pease (2 out of 2 patents)

8. Alan Logan (2 out of 3 patents)

9. Victor Kaminsky (2 out of 2 patents)

10. Lloyd W Trevoy (2 out of 3 patents)

11. Alvin Maskwa (2 out of 3 patents)

12. Gerhard J Kennepohl (1 out of 4 patents)

13. Laverne J Miller (1 out of 4 patents)

14. Buenaventura B Galvez (1 out of 4 patents)

15. Buenanventura B Galvez (1 out of 1 patent)

22 patents: Sort by Forward Citations

1. 4383914 - Dilution centrifuging of bitumen froth from the hot water process for (1983-05-17),

2. 4225433 - Filtration of hot water extraction process whole tailings (1980-09-30),

3. 4201656 - Process aid addition in hot water process based on feed fines content (1980-05-06),

4. 4197937 - Non-ionic emulsifying release agent for bituminous sands conveyor belt (1980-04-15),

5. 4172811 - Process of treating bituminous sands conveyor belt with release agent (1979-10-30),

6. 4172025 - Process for secondary recovery of bitumen in hot water extraction of tar (1979-10-23),

7. 4150093 - Method for concentrating heavy minerals in the solids tailings from hot (1979-04-17),

8. 4146125 - Bitumen-sodium hydroxide-water emulsion release agent for bituminous (1979-03-27),

9. 4138467 - Method for concentrating heavy minerals in the solids tailings from hot (1979-02-06),

10. 4131535 - Treatment of tumbler reject (1978-12-26),

11. 4116809 - Deaerator circuit for bitumen froth (1978-09-26),

12. 4111789 - Recovery of hydrocarbon from dilution centrifuging tailings (1978-09-05),

13. 4107029 - Dual control system for tailings outlet of primary separation vessel in (1978-08-15),

14. 4105537 - System for handling the underflow from a primary separation vessel in (1978-08-08),

15. 4098691 - Purification of water for boiler (1978-07-04),

Company Overview

Gulf Oil Canada Ltd. is a prominent player in the energy sector, specializing in the development and distribution of high-quality petroleum products. The company focuses on providing innovative solutions in fuel and lubricant formulations, catering to various industries including automotive, industrial, and commercial sectors. With its headquarters in Toronto, Gulf Oil Canada is committed to sustainability and efficiency, leveraging advanced technologies to enhance product performance while minimizing environmental impact.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

22 Patents

#79 in Toronto

#652 in Canada

#28,807 in the World

Toronto, Canada

Gulf Oil Canada Ltd.

Forward Citations = 314

26 inventors:

Emerson Sanford (4 out of 4 patents)

Kenneth Porteous (3 out of 3 patents)

Thaddeus E Kizior (3 out of 3 patents)

4. Robert Shaw (3 out of 3 patents)

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

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Gulf Oil Canada Ltd.. Retrieved from https://idiyas.com/company/gulf-oil-canada

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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