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USPTO Data Jan 1 1976 - Oct 20 2026
3 Patents
#4 in Powell, OH
#2,864 in Ohio
#73,904 in US
3D Clean Coal Emissions Stack, LLC
Forward Citations = 5
2 inventors:
Powell, OH, United States of America
3D Clean Coal Emissions Stack, LLC
% Expired Patents = 66.7
CIPO Patents = 1
EPO Patents = 1
Forward Citations = 5
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2 inventors (with patents filed for the assignee):
James G Davidson (3 out of 13 patents)
Dave Hendrickson (1 out of 1 patent)
James Gary Davidson (0 patent)
4. James Gary Davidson (0 patent)
3 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: 3D Clean Coal Emissions Stack, LLC. Retrieved from https://idiyas.com/company/3d-clean-coal-emissions-stack
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]
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]