Essen, Germany

Hochtief Ag Vorm. Gebruder Helfmann


USPTO Granted Patents = 2

Forward Citations = 13

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2 inventors (with patents filed for the assignee):

goldMedal Bernd Hillemeier (1 out of 7 patents)

silverMedal Volker Hentschel (1 out of 11 patents)


2 patents:

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USPTO Data Jan 1 1976 - Dec 9 2025

2 Patents

#97 in Essen

#10,552 in Germany

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Essen, Germany
Forward Citations = 13

2 inventors:

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