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Braunschweig, Germany

Duesenfeld Gmbh


USPTO Granted Patents = 3



Trademarks = 1

Forward Citations = 3

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8 inventors (with patents filed for the assignee):

goldMedal Christian Hanisch (3 out of 5 patents)

silverMedal Bastian Westphal (1 out of 3 patents)

bronzeMedal Wolfgang Haselrieder (1 out of 2 patents)

4.  Martin Schoenitz (1 out of 1 patent)

5.  Tobias Elwert (1 out of 2 patents)

6.  Lisa Brückner (1 out of 2 patents)

7.  Jonathan Ahrens (0 patent)


3 patents:

1. 12412941 - Method for recycling lithium batteries (2025-09-09),
2. 12119463 - Recycling method for treating used batteries, in particular rechargeable batteries, and battery processing installation (2024-10-15),
3. 11050097 - Method for the treatment of used batteries, in particular rechargeable batteries, and battery processing installation (2021-06-29),
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USPTO Data Jan 1 1976 - Dec 2 2025

3 Patents

#29 in Braunschweig

#8,302 in Germany

...
Braunschweig, Germany

Duesenfeld Gmbh

Forward Citations = 3

8 inventors:

goldMedal Christian Hanisch (3 out of 5 patents)

silverMedal Bastian Westphal (1 out of 3 patents)

bronzeMedal Wolfgang Haselrieder (1 out of 2 patents)

4.  Martin Schoenitz (1 out of 1 patent)

5.  Tobias Elwert (1 out of 2 patents)

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