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USPTO Data Jan 1 1976 - Oct 20 2026
1 Patents
#185 in Knoxville, TN
#1,485 in Tennessee
#136,919 in US
Utrf
Forward Citations = 13
3 inventors:
Knoxville, TN, United States of America
Utrf
Calculating rank
% Expired Patents = 100.0
Forward Citations = 13
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3 inventors (with patents filed for the assignee):
Sheng Dai (1 out of 71 patents)
Chengdu Liang (1 out of 18 patents)
Georges A Guiochon (1 out of 3 patents)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Utrf. Retrieved from https://idiyas.com/company/utrf
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]
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]
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]