Forward Citations = 20

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4 inventors (with patents filed for the assignee):

Egon Frick (2 out of 2 patents)

Helmut Heusler (1 out of 4 patents)

Gunther Alpers (1 out of 2 patents)

4. Jurgen Gerber (1 out of 3 patents)

3 patents: Sort by Forward Citations

1. 4201305 - Rotatory crane with plural jibs (1980-05-06),

2. 4197953 - Double slewing crane construction (1980-04-15),

3. 3945138 - Hydraulically controlled and driven bucket wheel dredge (1976-03-23),

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

3 Patents

#245 in Berlin

#8,427 in Germany

Berlin, Germany

Orenstein-Koppel Aktiengesellschaft

Forward Citations = 20

4 inventors:

Egon Frick (2 out of 2 patents)

Helmut Heusler (1 out of 4 patents)

Gunther Alpers (1 out of 2 patents)

4. Jurgen Gerber (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Orenstein-Koppel Aktiengesellschaft. Retrieved from https://idiyas.com/company/orenstein-koppel-ag

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]