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For the Inventor, By the Inventor

Wismar, Germany

Hoeller Electrolyzer Gmbh


USPTO Granted Patents = 3



Trademarks = 2

Forward Citations = 0

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1 inventor (with patents filed for the assignee):

goldMedal Stefan Höller (3 out of 5 patents)

silverMedal Stefan Holler (0 patent)


3 patents:

1. 11505871 - Method for operating a water electrolysis device (2022-11-22),
2. 11384442 - Method for operating a water electrolysis device (2022-07-12),
3. 11371153 - Method for operating a water electrolysis device (2022-06-28),
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USPTO Data Jan 1 1976 - Jan 6 2026

3 Patents

#3 in Wismar

#8,288 in Germany

...
Wismar, Germany

Hoeller Electrolyzer Gmbh

Forward Citations = 0

1 inventor:

goldMedal Stefan Höller (3 out of 5 patents)

silverMedal Stefan Holler (0 patent)

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