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Gefrees, Germany

Helsa-werk Helmut Sandler Gmbh & Co. Kg

USPTO Granted Patents = 1

Forward Citations = 8

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2 inventors (with patents filed for the assignee):

Thomas Wolff (1 out of 2 patents)

Manfred Krull (1 out of 2 patents)

1 patent: Sort by Forward Citations

1. 6652629 - Filter apparatus (2003-11-25),

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USPTO Data Jan 1 1976 - Dec 16 2025

1 Patents

#3 in Gefrees

#15,195 in Germany

Gefrees, Germany

Helsa-werk Helmut Sandler Gmbh & Co. Kg

Forward Citations = 8

2 inventors:

Thomas Wolff (1 out of 2 patents)

Manfred Krull (1 out of 2 patents)

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