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Gulf Oil Canada Ltd.

USPTO Granted Patents = 22

Forward Citations = 313

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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),

Gulf Oil Canada Ltd. is a leading provider of high-quality lubricants, fuel products, and services in Canada. With a strong legacy of over 100 years in the industry, Gulf Oil Canada is committed to delivering innovative solutions that meet the evolving needs of its customers. The company's extensive distribution network ensures reliable and timely delivery of products to a wide range of sectors including automotive, industrial, and marine. Gulf Oil Canada's commitment to exceptional quality and customer satisfaction sets it apart as a trusted partner in the Canadian market.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

22 Patents

#2 in ALL OF

#919 in Canada

#27,863 in the World

Gulf Oil Canada Ltd.

Forward Citations = 313

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)

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