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For the Inventor, By the Inventor

Calgary, Canada

Field Upgrading Limited


USPTO Granted Patents = 9



Trademarks = 1

Forward Citations = 5

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8 inventors (with patents filed for the assignee):

goldMedal John Howard Gordon (6 out of 83 patents)

silverMedal Sai Bhavaraju (3 out of 71 patents)

bronzeMedal Javier Alvare (2 out of 5 patents)

4.  Ashok V Joshi (1 out of 144 patents)

5.  James M Mosby (1 out of 7 patents)

6.  Jeff Killpack (1 out of 2 patents)

7.  Mukund Karanjikar (1 out of 12 patents)

8.  Dennis Larsen (1 out of 1 patent)

9.  Kean Duffey (2 patents)


9 patents:

1. 10087538 - Process for recovering alkali metals and sulfur from alkali metal sulfides and polysulfides (2018-10-02),
2. 9988587 - Process for removal of nitrogen from natural gas (2018-06-05),
3. 9957622 - Device and method of obtaining diols and other chemicals using decarboxylation (2018-05-01),
4. 9856569 - Apparatus and method of producing metal in a nasicon electrolytic cell (2018-01-02),
5. 9688920 - Process to separate alkali metal salts from alkali metal reacted hydrocarbons (2017-06-27),
6. 9546325 - Upgrading platform using alkali metals (2017-01-17),
7. 9512368 - Method of preventing corrosion of oil pipelines, storage structures and piping (2016-12-06),
8. 9458385 - Integrated oil production and upgrading using molten alkali metal (2016-10-04),
9. 9441170 - Device and method for upgrading petroleum feedstocks and petroleum refinery streams using an alkali metal conductive membrane (2016-09-13),
Company Overview
Field Upgrading Limited is a leading provider of innovative solutions for upgrading heavy oil and bitumen. We specialize in creating customized upgrading units that optimize the value of oil sands resources while minimizing environmental impact. Our patented technology ensures efficient, cost-effective, and sustainable upgrading processes for our clients in the energy industry.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

9 Patents

#118 in Calgary

#1,704 in Canada

Calgary, CA
Calgary, Canada

Field Upgrading Limited

Forward Citations = 5

8 inventors:

goldMedal John Howard Gordon (6 out of 83 patents)

silverMedal Sai Bhavaraju (3 out of 71 patents)

bronzeMedal Javier Alvare (2 out of 5 patents)

4.  Ashok V Joshi (1 out of 144 patents)

5.  James M Mosby (1 out of 7 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Field Upgrading Limited. Retrieved from https://idiyas.com/company/field-upgrading

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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