For the Inventor, By the Inventor

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Siegen, Germany

Dango & Dienenthal

USPTO Granted Patents = 2

Trademarks = 2

Forward Citations = 11

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4 inventors (with patents filed for the assignee):

Eberhard Brucher (1 out of 1 patent)

Karl-Heinz Schussler (1 out of 1 patent)

Otto Hummler (1 out of 1 patent)

4. Bo Christer Welander (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 4122296 - Distributing and poking machine for metallurgical furnaces (1978-10-24),

2. 4057234 - Taphole boring or plugging machine for shaft furnaces, especially blast (1977-11-08),

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USPTO Data Jan 1 1976 - Dec 30 2025

2 Patents

#15 in Siegen

#10,513 in Germany

Siegen, Germany

Dango & Dienenthal

Forward Citations = 11

4 inventors:

Eberhard Brucher (1 out of 1 patent)

Karl-Heinz Schussler (1 out of 1 patent)

Otto Hummler (1 out of 1 patent)

4. Bo Christer Welander (1 out of 1 patent)

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