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For the Inventor, By the Inventor

Essen, Germany

Dr. H. Tiefenbach Gmbh & Co.


USPTO Granted Patents = 1

Forward Citations = 8

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2 inventors (with patents filed for the assignee):

goldMedal Helmut Lachmann (1 out of 10 patents)

silverMedal Bernd Lange (1 out of 2 patents)


1 patent:

1. 4476888 - Overpressure valve (1984-10-16),
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USPTO Data Jan 1 1976 - Dec 16 2025

1 Patents

#140 in Essen

#15,083 in Germany

...
Essen, Germany

Dr. H. Tiefenbach Gmbh & Co.

Forward Citations = 8

2 inventors:

goldMedal Helmut Lachmann (1 out of 10 patents)

silverMedal Bernd Lange (1 out of 2 patents)

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