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Calgary, Canada

Esso Resources Canada Limited

USPTO Granted Patents = 30

CIPO Patents = 1

Forward Citations = 761

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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 38 patents)

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

14. Sanjoy Banerjee (1 out of 9 patents)

15. Edward W Chan (1 out of 3 patents)

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),

Esso Resources Canada Limited is a subsidiary of ExxonMobil. It is one of Canada's leading integrated oil and gas companies, involved in exploration, production, refining, and marketing. Esso Resources Canada Limited has a strong presence in various provinces across Canada and is committed to delivering energy solutions while ensuring environmental sustainability and community engagement.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

30 Patents

#26 in Calgary

#434 in Canada

#21,212 in the World

Calgary, Canada

Esso Resources Canada Limited

Forward Citations = 761

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)

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