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Calgary, Canada

Esso Resources Canada Limited

USPTO Granted Patents = 30

CIPO Patents = 1

Forward Citations = 764

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48 inventors (with patents filed for the assignee):

Lubomyr M Cymbalisty (4 out of 7 patents)

Laurier L Schramm (4 out of 4 patents)

George J Cymerman (3 out of 3 patents)

4. Russell G Smith (3 out of 3 patents)

5. Antony H Leung (3 out of 3 patents)

6. Raj Paul (2 out of 2 patents)

7. Kohur N Sury (2 out of 2 patents)

8. Waldemar B Maciejewski (2 out of 2 patents)

9. Gordon R Thompson (2 out of 3 patents)

10. Wayne B Jansen (2 out of 3 patents)

11. Robert C Shaw (2 out of 3 patents)

12. Michael B McDonald (1 out of 39 patents)

13. Kenneth J Theimer (1 out of 15 patents)

14. Keng Chung (1 out of 7 patents)

15. Sanjoy Banerjee (1 out of 9 patents)

Core Competencies:

Bitumen Separation

Oil Sands

Froth Quality

Sludge Accumulation

Pipeline Conditioning

Hot Water Extraction

Microbubble Flotation

Viscometer

Tar Sands

Flocculant Control

Heavy Minerals

Borehole Mining

30 patents: Sort by Forward Citations

1. 5876592 - Solvent process for bitumen separation from oil sands froth (1999-03-02),

2. 5494150 - Conveyor belt system with shock-absorbing belt side travel control means (1996-02-27),

3. 5492628 - Process for reducing sludge accumulation in the hot water extraction (1996-02-20),

4. 5460270 - Oil sand extraction process with in-line middlings aeration and recycle (1995-10-24),

5. 5376276 - In situ primary froth quality measurements using microwave monitor (1994-12-27),

6. 5290433 - Froth washer (1994-03-01),

7. 5264118 - Pipeline conditioning process for mined oil-sand (1993-11-23),

8. 5242580 - Recovery of hydrocarbons from hydrocarbon contaminated sludge (1993-09-07),

9. 5197783 - Extendable/erectable arm assembly and method of borehole mining (1993-03-30),

10. 5118408 - Reducing the water and solids contents of bitumen froth moving through (1992-06-02),

11. 5039227 - Mixer circuit for oil sand (1991-08-13),

12. 5009773 - Monitoring surfactant content to control hot water process for tar sand (1991-04-23),

13. 4946597 - Low temperature bitumen recovery process (1990-08-07),

14. 4946227 - Bucket wheel assembly (1990-08-07),

15. 4863009 - Control system for an endless belt conveyor train (1989-09-05),

Company Overview

Esso Resources Canada Limited is a prominent player in the energy sector, primarily focusing on the exploration and production of oil and natural gas resources. Based in Calgary, the company is engaged in various stages of resource development, including extraction and refining processes. Esso Resources is known for its commitment to sustainable practices and innovation in energy technology, contributing to the broader energy landscape in Canada and beyond. The organization emphasizes operational excellence and environmental stewardship in its endeavors.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

30 Patents

#29 in Calgary

#463 in Canada

#21,912 in the World

Calgary, Canada

Esso Resources Canada Limited

Forward Citations = 764

48 inventors:

Lubomyr M Cymbalisty (4 out of 7 patents)

Laurier L Schramm (4 out of 4 patents)

George J Cymerman (3 out of 3 patents)

4. Russell G Smith (3 out of 3 patents)

5. Antony H Leung (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Esso Resources Canada Limited. Retrieved from https://idiyas.com/company/esso-resources-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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