For the Inventor, By the Inventor

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Bellevue, WA, United States of America

Ramgen Power Systems, Inc.

USPTO Granted Patents = 15

% Expired Patents = 26.7

EPO Patents = 1

Forward Citations = 455

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9 inventors (with patents filed for the assignee):

Shawn P Lawlor (13 out of 26 patents)

Robert C Steele (4 out of 4 patents)

Joseph T Williams (2 out of 6 patents)

4. Ryan G Edmonds (2 out of 2 patents)

5. Stephen P Baldwin (2 out of 2 patents)

6. Donald W Kendrick (2 out of 30 patents)

7. Charles C Cornelius (1 out of 14 patents)

8. Mark Alfred Novaresi (1 out of 4 patents)

9. Kenneth H Hicks, Ii (1 out of 1 patent)

15 patents: Sort by Forward Citations

1. 8500391 - Method and apparatus for starting supersonic compressors (2013-08-06),

2. 8312725 - Vortex combustor for low NOX emissions when burning lean premixed high hydrogen content fuel (2012-11-20),

3. 8152439 - Method and apparatus for starting supersonic compressors (2012-04-10),

4. 7603841 - Vortex combustor for low NOx emissions when burning lean premixed high hydrogen content fuel (2009-10-20),

5. 7334990 - Supersonic compressor (2008-02-26),

6. 7003961 - Trapped vortex combustor (2006-02-28),

7. 6694743 - Rotary ramjet engine with flameholder extending to running clearance at engine casing interior wall (2004-02-24),

8. 6510683 - Apparatus for power generation with low drag rotor and ramjet assembly (2003-01-28),

9. 6446425 - Ramjet engine for power generation (2002-09-10),

10. 6434924 - Ramjet engine for power generation (2002-08-20),

11. 6347507 - Method and apparatus for power generation using rotating ramjets (2002-02-19),

12. 6334299 - Ramjet engine for power generation (2002-01-01),

13. 6298653 - Ramjet engine for power generation (2001-10-09),

14. 6279309 - Modular multi-part rail mounted engine assembly (2001-08-28),

15. 6263660 - Apparatus and method for fuel-air mixing before supply of low pressure lean pre-mix to combustor for rotating ramjet engine driving a shaft (2001-07-24),

Ramgen Power Systems, Inc. is a leading provider of advanced gas turbine technology for power generation and compression applications. With a focus on innovation and efficiency, Ramgen offers cutting-edge solutions that empower businesses to optimize their energy resources. The company's technology includes advanced air/gas handling systems, heat recovery technologies, and gas turbine power augmentation. By continuously pushing the boundaries of gas turbine development, Ramgen strives to help clients achieve sustainable energy solutions for a better future.

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

Company Badge

USPTO Data Jan 1 1976 - Sep 22 2026

15 Patents

#43 in Bellevue, WA

#457 in Washington

#21,017 in US

#39,822 in the World

Bellevue, WA, United States of America

Ramgen Power Systems, Inc.

Forward Citations = 455

9 inventors:

Shawn P Lawlor (13 out of 26 patents)

Robert C Steele (4 out of 4 patents)

Joseph T Williams (2 out of 6 patents)

4. Ryan G Edmonds (2 out of 2 patents)

5. Stephen P Baldwin (2 out of 2 patents)

Please report any incorrect information to [email protected]

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