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For the Inventor, By the Inventor

Calgary, Canada

Marathon Oil Canada Corporation


USPTO Granted Patents = 15

% Expired Patents = 46.7


Forward Citations = 138

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10 inventors (with patents filed for the assignee):

goldMedal Willem P C Duyvesteyn (11 out of 41 patents)

silverMedal Julian Robert Kift (5 out of 14 patents)

bronzeMedal 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.  Gerhardus Willem Colenbrander (5 patents)

12.  Yicheng Long (1 patent)

13.  William James Power (1 patent)

14.  Elco Dick Hollander (0 patent)


15 patents:

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),
Company Overview
Marathon Oil Canada Corporation is a prominent player in the energy sector, focusing on the exploration and production of oil and natural gas resources. Based in Calgary, the company leverages advanced technologies and innovative practices to optimize resource extraction and enhance operational efficiency. With a commitment to sustainability, Marathon Oil Canada emphasizes responsible resource development while contributing to the energy needs of both local and global markets. The organization plays a vital role in the Canadian energy landscape, driving advancements in energy production.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

15 Patents

#72 in Calgary

#983 in Canada

#39,921 in the World

Calgary, CA
Calgary, Canada

Marathon Oil Canada Corporation

Forward Citations = 138

10 inventors:

goldMedal Willem P C Duyvesteyn (11 out of 41 patents)

silverMedal Julian Robert Kift (5 out of 14 patents)

bronzeMedal 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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Marathon Oil Canada Corporation. Retrieved from https://idiyas.com/company/marathon-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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