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USPTO Data Jan 1 1976 - Oct 20 2026
2 Patents
#592 in Toronto
#6,024 in Canada
Keilhauer Ltd.
Forward Citations = 10
4 inventors:
Keilhauer Ltd.
CIPO Patents = 1
Trademarks = 34
Forward Citations = 10
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4 inventors (with patents filed for the assignee):
Steve Keilhauer (2 out of 4 patents)
Martin Bergmann (1 out of 37 patents)
Gernot Bohmann (1 out of 29 patents)
4. Harald Gründl (1 out of 15 patents)
5. Helen Elizabeth Kerr (34 patents)
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Keilhauer Ltd.. Retrieved from https://idiyas.com/company/keilhauer
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]
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]