For the Inventor, By the Inventor

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Calgary, Canada

Marathon Oil Canada Corporation

USPTO Granted Patents = 15

CIPO Patents = 1

Forward Citations = 138

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10 inventors (with patents filed for the assignee):

Willem P C Duyvesteyn (11 out of 41 patents)

Julian Robert Kift (5 out of 14 patents)

Raymond L Morley (4 out of 6 patents)

4. Jose Armando Salazar-Guillen (2 out of 2 patents)

5. Gordon R Wicker (2 out of 2 patents)

6. Willem Duyvesteyn (2 out of 2 patents)

7. Mahendra L Joshi (2 out of 80 patents)

8. Christopher Ard (1 out of 1 patent)

9. Jose Armando Salazar (1 out of 2 patents)

10. James S Hanson (1 out of 1 patent)

11. Yicheng Long (1 patent)

12. William James Power (1 patent)

13. Elco Dick Hollander (0 patent)

15 patents: Sort by Forward Citations

1. 8658029 - Dry, stackable tailings and methods for producing the same (2014-02-25),

2. 8636958 - Nozzle reactor and method of use (2014-01-28),

3. 8586515 - Method for making biofuels and biolubricants (2013-11-19),

4. 8529687 - Oxidation of asphaltenes (2013-09-10),

5. 8257580 - Dry, stackable tailings and methods for producing the same (2012-09-04),

6. 8101067 - Methods for obtaining bitumen from bituminous materials (2012-01-24),

7. 7998342 - Separation of tailings that include asphaltenes (2011-08-16),

8. 7988847 - Nozzle reactor and method of use (2011-08-02),

9. 7985333 - System and method of separating bitumen from tar sands (2011-07-26),

10. 7927565 - Nozzle reactor and method of use (2011-04-19),

11. 7909989 - Method for obtaining bitumen from tar sands (2011-03-22),

12. 7824453 - Biodiesel production and use in oil sands processing (2010-11-02),

13. 7811444 - Oxidation of asphaltenes (2010-10-12),

14. 7618597 - Nozzle reactor and method of use (2009-11-17),

15. 7585407 - Processing asphaltene-containing tailings (2009-09-08),

Marathon Oil Canada Corporation is an integrated energy company that explores, produces, refines, and markets oil and natural gas resources. With a focus on sustainability and operational excellence, the company is committed to delivering reliable energy to meet global demand. Visit their website for more information and updates.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

15 Patents

#71 in Calgary

#947 in Canada

#38,743 in the World

Calgary, Canada

Marathon Oil Canada Corporation

Forward Citations = 138

10 inventors:

Willem P C Duyvesteyn (11 out of 41 patents)

Julian Robert Kift (5 out of 14 patents)

Raymond L Morley (4 out of 6 patents)

4. Jose Armando Salazar-Guillen (2 out of 2 patents)

5. Gordon R Wicker (2 out of 2 patents)

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