% Expired Patents = 33.3

EPO Patents = 1

Forward Citations = 0

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5 inventors (with patents filed for the assignee):

Burl Edward Davis (4 out of 5 patents)

Kieran Maurice O'Leary (2 out of 2 patents)

Clifford William Mallett (2 out of 2 patents)

4. Marion Russell Mark (2 out of 2 patents)

5. Si Young Na (2 out of 2 patents)

6 patents: Sort by Forward Citations

1. 12431561 - Method, apparatus and system for capturing carbon using fuel cell (2025-09-30),

2. 12046737 - Method, apparatus and system for capturing carbon using fuel cell (2024-07-23),

3. 9976403 - Method for shortening an injection pipe for underground coal gasification (2018-05-22),

4. 9963949 - Sacrificial liner linkages for auto-shortening an injection pipe for underground coal gasification (2018-05-08),

5. 9435184 - Sacrificial liner linkages for auto-shortening an injection pipe for underground coal gasification (2016-09-06),

6. 9428978 - Method for shortening an injection pipe for underground coal gasification (2016-08-30),

Company Overview

Carbon Energy Limited is an Australian-based company specializing in the commercialization of underground coal gasification technology. With a focus on developing cleaner and more sustainable energy solutions, Carbon Energy is dedicated to utilizing innovative processes that minimize environmental impact. The company aims to reduce carbon emissions through the conversion of coal to gas, providing an alternative energy source for industrial and power generation applications.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

6 Patents

#2 in Milton

#650 in Australia

Milton, Australia

Carbon Energy Limited

Forward Citations = 0

5 inventors:

Burl Edward Davis (4 out of 5 patents)

Kieran Maurice O'Leary (2 out of 2 patents)

Clifford William Mallett (2 out of 2 patents)

4. Marion Russell Mark (2 out of 2 patents)

5. Si Young Na (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Carbon Energy Limited. Retrieved from https://idiyas.com/company/carbon-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]

1 patent (EPO):

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]