For the Inventor, By the Inventor

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Wolnzach, Germany

Hopfen-extraktion Hvg Bart, Raiser & Co.

USPTO Granted Patents = 2

Forward Citations = 14

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5 inventors (with patents filed for the assignee):

Josef Schulmeyr (2 out of 5 patents)

Stefan Geyer (2 out of 4 patents)

Manfred Gehrig (2 out of 8 patents)

4. Adrian Forster (2 out of 4 patents)

5. Roland Schmidt (2 out of 2 patents)

2 patents: Sort by Forward Citations

1. 4946695 - Process for the extraction of nonpolar constituents from plant material (1990-08-07),

2. 4842878 - Process for the extraction of nonpolar constituents of hops (1989-06-27),

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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#1 in Wolnzach

#10,495 in Germany

Wolnzach, Germany

Hopfen-extraktion Hvg Bart, Raiser & Co.

Forward Citations = 14

5 inventors:

Josef Schulmeyr (2 out of 5 patents)

Stefan Geyer (2 out of 4 patents)

Manfred Gehrig (2 out of 8 patents)

4. Adrian Forster (2 out of 4 patents)

5. Roland Schmidt (2 out of 2 patents)

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