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For the Inventor, By the Inventor

Volklingen, Germany

Saarstahl Ag


USPTO Granted Patents = 3

% Expired Patents = 33.3


Forward Citations = 3

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4 inventors (with patents filed for the assignee):

goldMedal Karl Keller (2 out of 47 patents)

silverMedal Otto Reichrath (2 out of 2 patents)

bronzeMedal Paul Josef Mauk (2 out of 5 patents)

4.  Karl Brotzmann (1 out of 43 patents)

5.  Patrick Frank (1 patent)

6.  Martina Frank (0 patent)

7.  Christian GÜNTHER (0 patent)

8.  Michael Wahl (0 patent)

9.  Frauendorfer Robert (0 patent)

10.  Brotzmann Karl (0 patent)


3 patents:

1. 9200338 - Method for preheating iron agglomerates (2015-12-01),
2. 5421183 - Light-section wire mill (1995-06-06),
3. 5406822 - Light-section wire mill (1995-04-18),
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USPTO Data Jan 1 1976 - Oct 6 2026

3 Patents

#1 in Volklingen

#8,420 in Germany

Volklingen, DE
Volklingen, Germany

Saarstahl Ag

Forward Citations = 3

4 inventors:

goldMedal Karl Keller (2 out of 47 patents)

silverMedal Otto Reichrath (2 out of 2 patents)

bronzeMedal Paul Josef Mauk (2 out of 5 patents)

4.  Karl Brotzmann (1 out of 43 patents)

5.  Patrick Frank (1 patent)

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