For the Inventor, By the Inventor

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Vellinge, Sweden

Hydrotech Nils-ake Persson Aktiebolag

USPTO Granted Patents = 2

Forward Citations = 62

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6 inventors (with patents filed for the assignee):

Emil Svensson (1 out of 10 patents)

Per Larsson (1 out of 12 patents)

Ake Ralvert (1 out of 4 patents)

4. &angst;ke Ralvert (1 out of 2 patents)

5. &angst;ke Danielsson (1 out of 2 patents)

6. Anders Mohlin (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. D497660 - Module for construction of a rotary disc filter (2004-10-27),

2. 6231761 - Rotary disk filter (2001-05-15),

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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#3 in Vellinge

#2,126 in Sweden

Vellinge, Sweden

Hydrotech Nils-ake Persson Aktiebolag

Forward Citations = 62

6 inventors:

Emil Svensson (1 out of 10 patents)

Per Larsson (1 out of 12 patents)

Ake Ralvert (1 out of 4 patents)

4. &angst;ke Ralvert (1 out of 2 patents)

5. &angst;ke Danielsson (1 out of 2 patents)

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