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For the Inventor, By the Inventor

Bellevue, WA, United States of America

Ramgen Power Systems, Inc.


USPTO Granted Patents = 15

% Expired Patents = 26.7


Forward Citations = 455

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9 inventors (with patents filed for the assignee):

goldMedal Shawn P Lawlor (13 out of 26 patents)

silverMedal Robert C Steele (4 out of 4 patents)

bronzeMedal 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:

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),
Company Overview
Ramgen Power Systems, Inc. is a technology company based in Bellevue, WA, specializing in advanced energy solutions. The organization focuses on the development of innovative systems for power generation, particularly utilizing gas turbine technology to enhance efficiency and reduce emissions. Ramgen's research emphasizes the integration of cutting-edge engineering and environmental sustainability, aiming to provide scalable energy solutions that address the growing demand for cleaner power sources in various markets.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

15 Patents

#44 in Bellevue, WA

#459 in Washington

#21,068 in US

#39,959 in the World

Bellevue, WA (US)
Bellevue, WA, United States of America

Ramgen Power Systems, Inc.

Forward Citations = 455

9 inventors:

goldMedal Shawn P Lawlor (13 out of 26 patents)

silverMedal Robert C Steele (4 out of 4 patents)

bronzeMedal 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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ramgen Power Systems, Inc.. Retrieved from https://idiyas.com/company/ramgen-power-systems

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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