CIPO Patents = 1

Forward Citations = 29

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3 inventors (with patents filed for the assignee):

Robert A Ashworth (2 out of 15 patents)

Frederick J Murrell (1 out of 1 patent)

Edward A Zawadzki (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 6325003 - Low nitrogen oxides emissions from carbonaceous fuel combustion using three stages of oxidation (2001-12-04),

2. 6085674 - Low nitrogen oxides emissions from carbonaceous fuel combustion using (2000-07-11),

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

2 Patents

#16 in Wooster, OH

#3,641 in Ohio

#94,841 in US

Wooster, OH, United States of America

Clearstack Combustion Corporation

Forward Citations = 29

3 inventors:

Robert A Ashworth (2 out of 15 patents)

Frederick J Murrell (1 out of 1 patent)

Edward A Zawadzki (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Clearstack Combustion Corporation. Retrieved from https://idiyas.com/company/clearstack-combustion

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 (CIPO):

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]