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Independence, OH, United States of America

American Gas Association

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USPTO Granted Patents = 18

Trademarks = 9

Forward Citations = 188

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32 inventors (with patents filed for the assignee):

Kenneth M Gretsinger (3 out of 3 patents)

Paul Flanagan (3 out of 3 patents)

John C Sharer (3 out of 4 patents)

4. Jon B Pangborn (3 out of 7 patents)

5. James C Griffiths (3 out of 3 patents)

6. Robert H Elkins (2 out of 4 patents)

7. Palamadi S Vishwanath (2 out of 2 patents)

8. M Reza Ghassemzadeh (2 out of 2 patents)

9. Richard J Priem (2 out of 3 patents)

10. James J McCoy, Jr (1 out of 4 patents)

11. Leonard G Marianowski (1 out of 27 patents)

12. Henry F Taylor (1 out of 36 patents)

13. Victor P Swenson (1 out of 3 patents)

14. Robert A Atkins (1 out of 4 patents)

15. Mirek Macecek (1 out of 3 patents)

18 patents: Sort by Forward Citations

1. 5658139 - Low NO.sub.X burner (1997-08-19),

2. 5460513 - Low NO.sub.x burner (1995-10-24),

3. 5452087 - Method and apparatus for measuring pressure with embedded non-intrusive (1995-09-19),

4. 5236327 - Low NO.sub.x burner (1993-08-17),

5. 4752209 - Pulse combustion burner feed valve (1988-06-21),

6. 4730990 - Pulse combustion engine and heat transfer system (1988-03-15),

7. 4708635 - Pulse combustion apparatus and method (1987-11-24),

8. 4685510 - Pulse combustion engine and heat transfer system (1987-08-11),

9. 4574745 - Compact pulse combustion burner with enhanced heat transfer (1986-03-11),

10. 4395911 - Method and apparatus for precise determination of girth weld defects (1983-08-02),

11. 4151191 - Sulfur resistant molybdenum catalysts for methanation (1979-04-24),

12. 4132672 - Methanation catalyst (1979-01-02),

13. 4075313 - Process for producing hydrogen and oxygen from water (1978-02-21),

14. 4009321 - High temperature fuel cell electrolyte (1977-02-22),

15. 3998942 - Process for producing hydrogen and oxygen from water (1976-12-21),

Company Overview

The American Gas Association (AGA) is a national organization representing natural gas utilities in the United States. It focuses on promoting the benefits of natural gas, advocating for sound energy policies, and providing resources for the safe and efficient delivery of natural gas. AGA engages in research and development in areas such as energy efficiency, safety standards, and environmental stewardship, aiming to enhance the role of natural gas in a sustainable energy future.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

18 Patents

#2 in Independence, OH

#769 in Ohio

#17,974 in US

#34,244 in the World

Independence, OH, United States of America

American Gas Association

Forward Citations = 188

32 inventors:

Kenneth M Gretsinger (3 out of 3 patents)

Paul Flanagan (3 out of 3 patents)

John C Sharer (3 out of 4 patents)

4. Jon B Pangborn (3 out of 7 patents)

5. James C Griffiths (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: American Gas Association. Retrieved from https://idiyas.com/company/american-gas-association

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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