For the Inventor, By the Inventor

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Basel, Switzerland

Maschinenfabrik Sulzer-burckhardt

USPTO Granted Patents = 3

Forward Citations = 39

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4 inventors (with patents filed for the assignee):

Norbert Feistel (1 out of 8 patents)

Georg Samland (1 out of 1 patent)

Christian Keller (1 out of 1 patent)

4. Eduard Muller (1 out of 2 patents)

3 patents: Sort by Forward Citations

1. 6457722 - Sealing element for dry running systems and the use of a sealing element of this kind (2002-10-01),

2. 6149400 - Method and apparatus for a suction valve of the plate-type construction (2000-11-21),

3. 4920862 - Trunk piston compressor (1990-05-01),

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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#77 in Basel

#2,332 in Switzerland

Basel, Switzerland

Maschinenfabrik Sulzer-burckhardt

Forward Citations = 39

4 inventors:

Norbert Feistel (1 out of 8 patents)

Georg Samland (1 out of 1 patent)

Christian Keller (1 out of 1 patent)

4. Eduard Muller (1 out of 2 patents)

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