John Francis Urch (1 out of 2 patents)
Company Badge
USPTO Data Jan 1 1976 - Oct 20 2026
1 Patents
#3 in Caringbah
#3,629 in Australia
Air-Change Pty Limited
Forward Citations = 7
1 inventor:
Air-Change Pty Limited
% Expired Patents = 100.0
EPO Patents = 1
Forward Citations = 7
Loading Chart...
Loading Chart...
1 inventor (with patents filed for the assignee):
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Air-Change Pty Limited. Retrieved from https://idiyas.com/company/air-change-pty
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]
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]