Company Badge
USPTO Data Jan 1 1976 - Sep 22 2026
3 Patents
#4 in Powell, OH
#2,860 in Ohio
#73,717 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:
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1 patent (CIPO):
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1 patent (EPO):
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