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Great Canadian Oil Sands Limited

USPTO Granted Patents = 15

Forward Citations = 168

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15 inventors (with patents filed for the assignee):

Robert A Baillie (4 out of 4 patents)

H James Davitt (3 out of 5 patents)

Joseph C Anderson (3 out of 3 patents)

4. James Van Fear (2 out of 2 patents)

5. John O Roberts (2 out of 2 patents)

6. Frederick A Bain (2 out of 2 patents)

7. Sam Kwame Opoku (1 out of 1 patent)

8. Lawrence F Schmoyer (1 out of 1 patent)

9. Thomas E Skarada (1 out of 1 patent)

10. David E Rose (1 out of 1 patent)

11. John E Ashton (1 out of 1 patent)

12. James E Little (1 out of 1 patent)

13. Harold L Erskine (1 out of 1 patent)

14. Thomas C Hann (1 out of 1 patent)

15. Stanton F Bierwith (1 out of 2 patents)

15 patents: Sort by Forward Citations

1. 4033853 - Process and apparatus for heating and deaerating raw bituminous froth (1977-07-05),

2. 4018861 - Method for preparing consumable electroslag guide nozzle (1977-04-19),

3. 4018665 - Recycling aerated scavenged middlings to conditioning step of hot water (1977-04-19),

4. 4018664 - Method for reducing mineral content of sludge (1977-04-19),

5. 4008146 - Method of sludge disposal related to the hot water extraction of tar (1977-02-15),

6. 3998702 - Apparatus for processing bituminous froth (1976-12-21),

7. 3990885 - Process for recovering hydrocarbons and heavy minerals from a tar sand (1976-11-09),

8. 3986592 - Hot water extraction cell containing two or more deflection baffles (1976-10-19),

9. 3969220 - Aerating tar sands-water mixture prior to settling in a gravity settling (1976-07-13),

10. 3953318 - Method of reducing sludge accumulation from tar sands hot water process (1976-04-27),

11. 3951800 - Method of storing sludge recovered from the hot water extraction of (1976-04-20),

12. 3951779 - Improved hydroseparation process for aqueous extraction of bitumen from (1976-04-20),

13. 3936358 - Method of controlling the feed rate of quench water to a coking drum in (1976-02-03),

14. 3933651 - Recovering bitumen from large water surfaces (1976-01-20),

15. 3931006 - Method of reducing sludge accumulation from tar sands hot water process (1976-01-06),

Great Canadian Oil Sands Limited is a leading Canadian oil company specializing in oil sands mining and extraction. With a strong focus on sustainability and environmental responsibility, the company is committed to producing high-quality oil products while minimizing its impact on the environment. Great Canadian Oil Sands Limited is dedicated to innovation and excellence in oil sands operations.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

15 Patents

#2 in

#1,695 in C

#38,696 in the World

Great Canadian Oil Sands Limited

Forward Citations = 168

15 inventors:

Robert A Baillie (4 out of 4 patents)

H James Davitt (3 out of 5 patents)

Joseph C Anderson (3 out of 3 patents)

4. James Van Fear (2 out of 2 patents)

5. John O Roberts (2 out of 2 patents)

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