For the Inventor, By the Inventor

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Mannheim, Germany

Bilfinger + Berger Bauaktiengesellschaft

USPTO Granted Patents = 2

Forward Citations = 25

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6 inventors (with patents filed for the assignee):

Heinz G Butt (1 out of 2 patents)

Michael Vogt (1 out of 1 patent)

Klaus Krubasik (1 out of 1 patent)

4. Gottfried Kochendoerfer (1 out of 1 patent)

5. Manfred Herzhauser (1 out of 1 patent)

6. Heinrich Brueggemann (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 4753551 - Sealing screen for waste dumps (1988-06-28),

2. 4666343 - Protective construction for a platform installed in the open sea against (1987-05-19),

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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#54 in G-6800 Mannheim

#10,495 in Germany

Mannheim, Germany

Bilfinger + Berger Bauaktiengesellschaft

Forward Citations = 25

6 inventors:

Heinz G Butt (1 out of 2 patents)

Michael Vogt (1 out of 1 patent)

Klaus Krubasik (1 out of 1 patent)

4. Gottfried Kochendoerfer (1 out of 1 patent)

5. Manfred Herzhauser (1 out of 1 patent)

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