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USPTO Data Jan 1 1976 - Oct 6 2026
4 Patents
#71 in Edmonton
#3,460 in Canada
Denfred Holdings, Ltd.
Forward Citations = 60
4 inventors:
Denfred Holdings, Ltd.
% Expired Patents = 25.0
CIPO Patents = 1
EPO Patents = 1
Forward Citations = 60
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4 inventors (with patents filed for the assignee):
Dennis Rivard (3 out of 3 patents)
Zhendong Liu (2 out of 2 patents)
Fan Kun (2 out of 2 patents)
4. Andrew Smith (1 out of 24 patents)
5. Kun Fan (0 patent)
6. Kun Fan (0 patent)
4 patents:
Company Overview
Denfred Holdings, Ltd. is a leading investment management company specializing in real estate and financial investments. With a track record of successful projects and a team of experienced professionals, we offer comprehensive services to help clients achieve their financial goals.
Profile summary synthesized from public USPTO records and patent filings.
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Denfred Holdings, Ltd.. Retrieved from https://idiyas.com/company/denfred-holdings
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]