Company Badge
USPTO Data Jan 1 1976 - Oct 13 2026
2 Patents
#15 in Siegen
#10,692 in Germany
Droessler Gmbh Umwelttechnik
Forward Citations = 3
4 inventors:
Droessler Gmbh Umwelttechnik
% Expired Patents = 50.0
Forward Citations = 3
Loading Chart...
Loading Chart...
4 inventors (with patents filed for the assignee):
Michael Stahl (2 out of 3 patents)
Christian Keindorf (1 out of 1 patent)
Peter Lenzing (1 out of 1 patent)
4. Dirk Wagner (1 out of 1 patent)
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Droessler Gmbh Umwelttechnik. Retrieved from https://idiyas.com/company/droessler-umwelttechnik
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]