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Westfalia Separator Ag

USPTO Granted Patents = 201

CIPO Patents = 25

EPO Patents = 2

Trademarks = 4

Forward Citations = 1,347

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184 inventors (with patents filed for the assignee):

Werner Kohlstette (21 out of 21 patents)

Karl-Heinz Zettier (19 out of 20 patents)

Wilfried Mackel (18 out of 44 patents)

4. Friedrich Icking (12 out of 12 patents)

5. Paul Bruning (11 out of 11 patents)

6. Willi Niemerg (10 out of 10 patents)

7. Heinrich Bucker (9 out of 10 patents)

8. Hubert Gunnewig (9 out of 9 patents)

9. Heinrich Hemfort (7 out of 8 patents)

10. Ulrich Wrede (6 out of 6 patents)

11. Helmut Figgener (5 out of 6 patents)

12. Hanno Lehmann (5 out of 5 patents)

13. Gunthard Pautsch (5 out of 5 patents)

14. Aloys Tenthoff (5 out of 5 patents)

15. Thomas Kleimann (4 out of 8 patents)

Core Competencies:

Centrifuge Technology

Separator Design

Helical Conveyor

Solid Bowl Centrifuge

Centrifugal Drum

Liquid Discharge Systems

Oil Fractionation

Fruit Harvesting

Filtering Devices

Lubrication Systems

Emergency Off Systems

Clarification Methods

201 patents: Sort by Forward Citations

1. 8465406 - Centrifuge including a frame and a bearing device having a pair of cantilevers and a pair of spring elements located between the cantilevers and the frame (2013-06-18),

2. 8419607 - Centrifuge including a drum and solid discharge orifices having bores arranged at selected vertical heights along an exterior of the drum (2013-04-16),

3. 8402729 - Vehicle and method for harvesting espalier fruit, especially berries or grapes (2013-03-26),

4. 8192342 - Separator having a liquid outlet including a throttling device (2012-06-05),

5. 8123667 - Centrifuge, in particular separator, having a feed line for control fluid (2012-02-28),

6. 8092362 - Separator arrangement in sanitary design (2012-01-10),

7. 7883457 - Helical conveyor centrifuge having a planetary gear drive device (2011-02-08),

8. 7837608 - Method and device for preventing blockages in the flow paths of a separator (2010-11-23),

9. 7763172 - Filtering device (2010-07-27),

10. 7758488 - Method of operating a separator by recirculating an entraining liquid (2010-07-20),

11. 7753834 - Solid-wall centrifuge comprising a weir provided with a stationary angled deflector plate (2010-07-13),

12. 7749148 - Separator drum having a screw connection (2010-07-06),

13. 7695748 - Method for reducing cholesterol in oils or fats (2010-04-13),

14. 7641929 - Method and device for adjusting the sediment content of a drink (2010-01-05),

15. 7614995 - Centrifuge having solids discharge nozzles with wear protection (2009-11-10),

Westfalia Separator AG is a global leader in the field of mechanical separation technology. The company offers innovative solutions for solid-liquid and liquid-liquid separation, specializing in services for industries such as food, chemical, pharmaceutical, and more. With a history dating back to 1893, Westfalia Separator AG has established itself as a reliable and high-quality supplier of separators, decanters, belt presses, and related equipment.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

201 Patents

#1 in Oelde

#325 in Germany

#4,076 in the World

Westfalia Separator Ag

Forward Citations = 1,347

184 inventors:

Werner Kohlstette (21 out of 21 patents)

Karl-Heinz Zettier (19 out of 20 patents)

Wilfried Mackel (18 out of 44 patents)

4. Friedrich Icking (12 out of 12 patents)

5. Paul Bruning (11 out of 11 patents)

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