Düsseldorf, Germany

Vallourec Mannesmann Oil & Gas Germany Gmbh


USPTO Granted Patents = 1

Forward Citations = 19

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3 inventors (with patents filed for the assignee):

goldMedal Friedrich Lenze (1 out of 10 patents)

silverMedal Gerhard Krug (1 out of 5 patents)

bronzeMedal Erich Quadflieg (1 out of 6 patents)


1 patent:

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USPTO Data Jan 1 1976 - Dec 16 2025

1 Patents

#39 in Düsseldorf

#15,158 in Germany

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Düsseldorf, Germany
Forward Citations = 19

3 inventors:

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