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Richmond Hill, Canada

Canadian Gas Research Institute

USPTO Granted Patents = 14

Forward Citations = 201

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20 inventors (with patents filed for the assignee):

Ferdinand K Besik (4 out of 22 patents)

John C Overall (4 out of 4 patents)

Colin Wright (2 out of 2 patents)

4. Christopher Runcieman (2 out of 2 patents)

5. Anthony L Joseph (2 out of 2 patents)

6. Orland O Schaus (2 out of 2 patents)

7. Heinz H Rieger (1 out of 9 patents)

8. Kenneth R MacIntyre (1 out of 2 patents)

9. Hayk A Tikiryan (1 out of 1 patent)

10. Robert D LaFontaine (1 out of 1 patent)

11. Shahrzad Rahbar (1 out of 2 patents)

12. Henry A Becker (1 out of 1 patent)

13. Andrzej Sobiesiak (1 out of 1 patent)

14. James Karl Georgieff (1 out of 1 patent)

15. Dick D Gepilano (1 out of 1 patent)

14 patents: Sort by Forward Citations

1. 6345769 - Water heating apparatus with sensible and latent heat recovery (2002-02-12),

2. 5983890 - Fireplace having multi-zone heating control (1999-11-16),

3. 5772421 - Low nox burner (1998-06-30),

4. 5568804 - Sealed combustion range (1996-10-29),

5. 5447666 - Method of forming radiant fiber burner (1995-09-05),

6. 5406932 - Sealed combustion range (1995-04-18),

7. 5253635 - Gas-fired heater (1993-10-19),

8. 4909307 - Regenerative bed heat exchanger (1990-03-20),

9. 4834285 - Heating and ventilating system (1989-05-30),

10. 4708000 - Apparatus for balanced heat recovery ventilation - heating - (1987-11-24),

11. 4436059 - Flue condensate shield (1984-03-13),

12. 4275705 - Two-stage heat exchanger (1981-06-30),

13. 4266513 - Flue heat exchanger (1981-05-12),

14. 4087742 - Hot water heater corrosion detector probe (1978-05-02),

Canadian Gas Research Institute (CGRI) is a leading research organization in Canada focused on advancing research and development in the gas industry. CGRI works with industry partners to drive innovation, improve efficiency, and promote sustainable practices in the gas sector. With a team of dedicated experts, CGRI conducts cutting-edge research to address key challenges and opportunities in the gas industry.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

14 Patents

#6 in Richmond Hill

#1,015 in Canada

#40,882 in the World

Richmond Hill, Canada

Canadian Gas Research Institute

Forward Citations = 201

20 inventors:

Ferdinand K Besik (4 out of 22 patents)

John C Overall (4 out of 4 patents)

Colin Wright (2 out of 2 patents)

4. Christopher Runcieman (2 out of 2 patents)

5. Anthony L Joseph (2 out of 2 patents)

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