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Calgary, Canada

Gulf Canada Corporation

USPTO Granted Patents = 30

Forward Citations = 796

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36 inventors (with patents filed for the assignee):

Laurier L Schramm (4 out of 4 patents)

Frank Souhrada (3 out of 4 patents)

Russell G Smith (3 out of 3 patents)

4. Buenaventura B Galvez (3 out of 4 patents)

5. John D Chase (3 out of 3 patents)

6. Lois L McCorriston (3 out of 3 patents)

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

8. Gerhard J Kennepohl (2 out of 4 patents)

9. H John Woods (2 out of 3 patents)

10. David C Bean (2 out of 3 patents)

11. Bruce W Kennedy (2 out of 2 patents)

12. Hanbury J Woods (2 out of 3 patents)

13. Ian P Fisher (2 out of 2 patents)

14. Herbert S Johnson (2 out of 2 patents)

15. Stuart Dwight Butler (1 out of 2 patents)

30 patents: Sort by Forward Citations

1. 5009773 - Monitoring surfactant content to control hot water process for tar sand (1991-04-23),

2. 4954254 - Method and apparatus for separation of heterogeneous phases (1990-09-04),

3. 4776949 - Recycle of secondary froth in the hot water process for extracting (1988-10-11),

4. 4664206 - Stabilizer for drillstems (1987-05-12),

5. 4642223 - Method for removing spent catalyst from a reactor tower and assembly for (1987-02-10),

6. 4640762 - Process for improving the yield of distillables in hydrogen donor (1987-02-03),

7. 4637417 - Use of a submersible viscometer in the primary separation step of the (1987-01-20),

8. 4545892 - Treatment of primary tailings and middlings from the hot water (1985-10-08),

9. 4536374 - Process using carbonate reagent for recovering vanadium from cokes and (1985-08-20),

10. 4501326 - In-situ recovery of viscous hydrocarbonaceous crude oil (1985-02-26),

11. 4489828 - Device for splicing cable ends (1984-12-25),

12. 4485004 - Catalytic hydrocracking in the presence of hydrogen donor (1984-11-27),

13. 4479742 - Mobile bottom-founded caisson for arctic operations (1984-10-30),

14. 4474616 - Blending tar sands to provide feedstocks for hot water process (1984-10-02),

15. 4472360 - Process using carbonate reagent for recovering vanadium from cokes and (1984-09-18),

Gulf Oil was founded in 1901 and is a global energy company engaged in the exploration, production, refining, distribution, and marketing of oil and gas products. With a strong presence in Canada, Gulf Canada Corporation operates in various segments, including upstream exploration and production, downstream refining and marketing, and specialty products for industrial and commercial customers. The company focuses on safety, sustainability, and innovation to deliver reliable energy solutions to customers worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

30 Patents

#26 in Calgary

#434 in Canada

#21,212 in the World

Calgary, Canada

Gulf Canada Corporation

Forward Citations = 796

36 inventors:

Laurier L Schramm (4 out of 4 patents)

Frank Souhrada (3 out of 4 patents)

Russell G Smith (3 out of 3 patents)

4. Buenaventura B Galvez (3 out of 4 patents)

5. John D Chase (3 out of 3 patents)

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