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Erkelenz, Germany

Firma W. Hegenscheidt Gesellschaft Mbh

USPTO Granted Patents = 3

Forward Citations = 13

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4 inventors (with patents filed for the assignee):

Helmut Wittkopp (2 out of 15 patents)

Bernhard Kunze (2 out of 2 patents)

Heinz Vom Dorp (1 out of 1 patent)

4. Hermann Wolters (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 4265149 - Method and apparatus for truing railroad wheels (1981-05-05),

2. 4200012 - Method and apparatus for truing railroad wheels (1980-04-29),

3. 4077286 - Vertical boring and turning mill (1978-03-07),

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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#9 in Erkelenz

#8,262 in Germany

Erkelenz, Germany

Firma W. Hegenscheidt Gesellschaft Mbh

Forward Citations = 13

4 inventors:

Helmut Wittkopp (2 out of 15 patents)

Bernhard Kunze (2 out of 2 patents)

Heinz Vom Dorp (1 out of 1 patent)

4. Hermann Wolters (1 out of 1 patent)

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