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For the Inventor, By the Inventor

Frankfurt-am-Main, Germany

Rothenberger Gmbh & Co.


USPTO Granted Patents = 3

Forward Citations = 27

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2 inventors (with patents filed for the assignee):

goldMedal Gunter Rothenberger (2 out of 6 patents)

silverMedal Karl Rothenberger (1 out of 1 patent)


3 patents:

1. 4447926 - Pipe cleaning machine having a container to accommodate cleaning spirals (1984-05-15),
2. 4355528 - Device for bending metal pipe (1982-10-26),
3. 4178786 - Necking-out tool for forming necks on pipes (1979-12-18),
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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#122 in Frankfurt-am-Main

#8,262 in Germany

...
Frankfurt-am-Main, Germany

Rothenberger Gmbh & Co.

Forward Citations = 27

2 inventors:

goldMedal Gunter Rothenberger (2 out of 6 patents)

silverMedal Karl Rothenberger (1 out of 1 patent)

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