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USPTO Data Jan 1 1976 - Oct 27 2026
2 Patents
#4 in Herdecke
#10,701 in Germany
Ewald Doerken
Forward Citations = 4
4 inventors:
Ewald Doerken
Calculating rank
% Expired Patents = 50.0
Forward Citations = 4
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4 inventors (with patents filed for the assignee):
Marcus Jablonka (1 out of 6 patents)
Heinz-Peter Raidt (1 out of 3 patents)
Jörn Schröer (1 out of 12 patents)
4. Joern Schroeer (1 out of 4 patents)
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ewald Doerken. Retrieved from https://idiyas.com/company/ewald-doerken
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]
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]