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Orenstein-koppel Aktiengesellschaft

USPTO Granted Patents = 3

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),

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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#403 in

#1 in Afghanistan

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)

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