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USPTO Data Jan 1 1976 - Oct 27 2026
2 Patents
#4 in Lichtenfels
#10,701 in Germany
Werkzeugbau Siegfried Hofmann Gmbh
Forward Citations = 0
8 inventors:
Werkzeugbau Siegfried Hofmann Gmbh
Calculating rank
% Expired Patents = 50.0
EPO Patents = 7
Forward Citations = 0
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8 inventors (with patents filed for the assignee):
Christopher Edward Holmes (1 out of 35 patents)
Christopher Robertson (1 out of 12 patents)
Huu Minh Tru Le (1 out of 2 patents)
4. Maximilian Philipp Kurtz (1 out of 13 patents)
5. Rene Hubert (1 out of 3 patents)
6. Christian Richardt (1 out of 3 patents)
7. Michael Dinkel (1 out of 1 patent)
8. Stefan Hofmann (1 out of 1 patent)
9. Georg Mai (3 patents)
10. Andreas Popp (0 patent)
11. Christopher Robertson (0 patent)
12. Stefanie Dinkel (0 patent)
13. Günter Hofmann (0 patent)
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Werkzeugbau Siegfried Hofmann Gmbh. Retrieved from https://idiyas.com/company/werkzeugbau-siegfried-hofmann
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]
7 patents (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]