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Rancho Cordova, CA, United States of America

Clean Energy Systems, Inc.

Calculating rank

USPTO Granted Patents = 27

% Expired Patents = 48.1

CIPO Patents = 1

EPO Patents = 1

Trademarks = 1

Forward Citations = 2,920

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16 inventors (with patents filed for the assignee):

Fermin Viteri (16 out of 19 patents)

Roger E Anderson (13 out of 13 patents)

Keith L Pronske (6 out of 6 patents)

4. James P Taylor (4 out of 4 patents)

5. Harry Brandt (4 out of 5 patents)

6. Rudi Beichel (4 out of 8 patents)

7. Murray Propp (2 out of 2 patents)

8. Lawrence Hoffman (2 out of 2 patents)

9. Scott Macadam (2 out of 2 patents)

10. Udo Tielcke (1 out of 1 patent)

11. Scott MacAdam (1 out of 1 patent)

12. Ravikiran Sangras (1 out of 1 patent)

13. Ovidiu Marin (1 out of 39 patents)

14. William A Hayes (1 out of 8 patents)

15. Bradley J Anderson (1 out of 1 patent)

Core Competencies:

Heat Exchanger

Oxyfuel Combustor

Steam Generation

Brayton Cycle

Gas Turbine

Power Output Enhancement

CO2 Sequestration

Clean Air Engines

Hydrocarbon Combustion

Thermal Cycle

Pollution Reduction

Renewable Energy

27 patents: Sort by Forward Citations

1. 11448467 - Micro-tube metal matrix heat exchanger and method of manufacture (2022-09-20),

2. 8936080 - Method of direct steam generation using an oxyfuel combustor (2015-01-20),

3. 8833080 - Arrangement with a steam turbine and a condenser (2014-09-16),

4. 8631658 - Method and system for enhancing power output of renewable thermal cycle power plants (2014-01-21),

5. 8522871 - Method of direct steam generation using an oxyfuel combustor (2013-09-03),

6. 7882692 - Zero emissions closed rankine cycle power system (2011-02-08),

7. 7827794 - Ultra low emissions fast starting power plant (2010-11-09),

8. 7637109 - Power generation system including a gas generator combined with a liquified natural gas supply (2009-12-29),

9. 7043920 - Hydrocarbon combustion power generation system with CO2 sequestration (2006-05-16),

10. 7021063 - Reheat heat exchanger power generation systems (2006-04-04),

11. 6945029 - Low pollution power generation system with ion transfer membrane air separation (2005-09-20),

12. 6910335 - Semi-closed Brayton cycle gas turbine power systems (2005-06-28),

13. 6868677 - Combined fuel cell and fuel combustion power generation systems (2005-03-22),

14. 6824710 - Working fluid compositions for use in semi-closed brayton cycle gas turbine power systems (2004-11-30),

15. 6637183 - Semi-closed brayton cycle gas turbine power systems (2003-10-28),

Company Overview

Clean Energy Systems, Inc. is a technology company based in Rancho Cordova, California, specializing in advanced energy solutions. The organization focuses on the development of innovative systems for clean energy production, particularly through the utilization of hydrogen and other sustainable resources. Their research encompasses areas such as energy conversion, carbon capture, and efficient power generation, aiming to contribute to a more sustainable energy landscape while addressing global environmental challenges.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

27 Patents

#6 in Rancho Cordova, CA

#2,935 in California

#12,432 in US

#24,046 in the World

Rancho Cordova, CA, United States of America

Clean Energy Systems, Inc.

Forward Citations = 2,920

16 inventors:

Fermin Viteri (16 out of 19 patents)

Roger E Anderson (13 out of 13 patents)

Keith L Pronske (6 out of 6 patents)

4. James P Taylor (4 out of 4 patents)

5. Harry Brandt (4 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Clean Energy Systems, Inc.. Retrieved from https://idiyas.com/company/clean-energy-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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