% Expired Patents = 9.1

Trademarks = 4

Forward Citations = 94

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4 inventors (with patents filed for the assignee):

Frank B Cramer (9 out of 12 patents)

Colm Murphy (1 out of 3 patents)

Brad Miller (1 out of 3 patents)

4. Heinrich F Klostermann (1 out of 10 patents)

11 patents: Sort by Forward Citations

1. 9482388 - Skid-mounted compressed gas dispensing systems, kits, and methods for using same (2016-11-01),

2. 7076950 - Internal explosion engine and generator using non-combustible gases (2006-07-18),

3. 4169583 - Apparatus for reducing ore (1979-10-02),

4. 4158697 - Coal treatment apparatus (1979-06-19),

5. 4148356 - Steam generation with coal (1979-04-10),

6. 4104056 - Ore reduction using molten salts (1978-08-01),

7. 4050904 - Solubilization and reaction of coal and like carbonaceous feedstocks to (1977-09-27),

8. 4033113 - Steam generation with coal (1977-07-05),

9. 3966583 - Coal treatment process and apparatus (1976-06-29),

10. 3966582 - Solubilization and reaction of coal and like carbonaceous feedstocks to (1976-06-29),

11. 3933128 - Steam generation with coal (1976-01-20),

Company Overview

Clean Energy, Inc. is a leading innovator in the renewable energy sector, specializing in the development and deployment of sustainable energy solutions. Headquartered in Palo Alto, California, the company focuses on advancing technologies that harness clean energy sources, including biofuels, natural gas, and hydrogen. With a commitment to reducing carbon emissions and promoting energy efficiency, Clean Energy, Inc. plays a pivotal role in transforming the energy landscape and supporting the transition to a more sustainable future.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

11 Patents

#155 in Palo Alto, CA

#6,544 in California

#27,529 in US

#51,801 in the World

Palo Alto, CA, United States of America

Clean Energy, Inc.

Forward Citations = 94

4 inventors:

Frank B Cramer (9 out of 12 patents)

Colm Murphy (1 out of 3 patents)

Brad Miller (1 out of 3 patents)

4. Heinrich F Klostermann (1 out of 10 patents)

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

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]