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USPTO Data Jan 1 1976 - Nov 3 2026
1 Patents
#145 in Essen
#15,381 in Germany
Evonik Degussa Gmeh
Forward Citations = 91
3 inventors:
Evonik Degussa Gmeh
Calculating rank
% Expired Patents = 100.0
Forward Citations = 91
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3 inventors (with patents filed for the assignee):
Ralph Hofmann (1 out of 5 patents)
Ann Gray (1 out of 3 patents)
Margarete Drechsler (1 out of 1 patent)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Evonik Degussa Gmeh. Retrieved from https://idiyas.com/company/evonik-degussa-gmeh
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]