For the Inventor, By the Inventor

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Erkrath, Germany

Nordson Holdings S.à R.l. & Co. Kg

USPTO Granted Patents = 6

EPO Patents = 13

Forward Citations = 25

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7 inventors (with patents filed for the assignee):

Stefan Wöstmann (3 out of 11 patents)

Dirk Schlief (1 out of 5 patents)

Robert Middler (1 out of 9 patents)

4. Frank Hartmann (1 out of 4 patents)

5. Stefan Woestmann (1 out of 1 patent)

6. Thomas Grimm-Bosbach (1 out of 1 patent)

7. Rolf Schämann (1 out of 1 patent)

8. Christian Schröder (1 out of 2 patents)

9. Jan-Udo Kreyenborg (3 patents)

10. Ralf SCHÄMANN (0 patent)

11. Stefan WÖSTMANN (0 patent)

6 patents: Sort by Forward Citations

1. 11491424 - Filter element for filtering a fluid and a filter unit formed therefrom (2022-11-08),

2. 9855699 - Filtering device for highly viscous media (2018-01-02),

3. 9844894 - Milling head for an underwater granulating installation (2017-12-19),

4. 9504938 - Filtering device for high-viscosity fluids (2016-11-29),

5. 9155984 - Screen carrier element for a filtration device having at least one screen cavity (2015-10-13),

6. 9127777 - Reversing valve for a high-viscosity medium (2015-09-08),

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USPTO Data Jan 1 1976 - Dec 16 2025

6 Patents

#3 in 40699 Erkrath

#5,318 in Germany

Erkrath, Germany

Nordson Holdings S.à R.l. & Co. Kg

Forward Citations = 25

7 inventors:

Stefan Wöstmann (3 out of 11 patents)

Dirk Schlief (1 out of 5 patents)

Robert Middler (1 out of 9 patents)

4. Frank Hartmann (1 out of 4 patents)

5. Stefan Woestmann (1 out of 1 patent)

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