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USPTO Data Jan 1 1976 - Oct 13 2026
1 Patents
#349 in Milwaukee, WI
#2,647 in Wisconsin
#136,844 in US
Vulcan Gms
Forward Citations = 19
3 inventors:
Milwaukee, WI, United States of America
Vulcan Gms
EPO Patents = 1
Forward Citations = 19
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3 inventors (with patents filed for the assignee):
Charles H Yanke (1 out of 1 patent)
Robert R Durkee, Iii (1 out of 3 patents)
David W Douglas (1 out of 14 patents)
4. Robert R Iii Durkee (0 patent)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Vulcan Gms. Retrieved from https://idiyas.com/company/vulcan-gms
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]