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Werner & Pfleiderer Gmbh

USPTO Granted Patents = 123

Trademarks = 1

Forward Citations = 1,537

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122 inventors (with patents filed for the assignee):

Friedrich Lambertus (11 out of 11 patents)

Albert Grimminger (10 out of 11 patents)

Werner Wiedmann (8 out of 9 patents)

4. Joachim Rudolph (7 out of 7 patents)

5. Klaus-Jurgen Hinger (6 out of 6 patents)

6. Gerhard Weihrich (5 out of 7 patents)

7. Heinz Herrmann (5 out of 5 patents)

8. Wilhelm Seufert (5 out of 5 patents)

9. Bernhard Scheuring (4 out of 5 patents)

10. Hans Wobbe (4 out of 4 patents)

11. Hellmut Boden (4 out of 4 patents)

12. Wolfgang Worz (4 out of 4 patents)

13. Gerhard Gnadig (4 out of 4 patents)

14. Herbert Ocker (4 out of 4 patents)

15. Hans Werner (3 out of 3 patents)

Core Competencies:

Plastic Extrusion

Underwater Granulation

Screw Kneader

Torque Measurement

Pelletizing Technology

Plastic Recycling

Dough Processing

Temperature Sensing

Melt Degassing

Granulating Devices

Mixing Apparatus

Polymer Production

123 patents: Sort by Forward Citations

1. 5879602 - Apparatus and method for impregnating fibrous strands with plastic (1999-03-09),

2. 5874682 - Torque measuring device particularly for a multishaft extruder (1999-02-23),

3. 5797677 - Screw-type extruding machine having a screw element defining a groove (1998-08-25),

4. 5679380 - Underwater pelletizing die plate (1997-10-21),

5. 5641522 - Pelletizer for extruder (1997-06-24),

6. 5620130 - Process for producing a die plate for underwater granulation of plastic (1997-04-15),

7. 5593227 - Twin-shaft screw-type extruding machine having mixing elements with wings (1997-01-14),

8. 5573332 - Screw element for a screw-like extrusion machine (1996-11-12),

9. 5549383 - Screw-type extrusion machine with heating elements (1996-08-27),

10. 5518439 - Process and apparatus for the finish grinding of cutting tools of a (1996-05-21),

11. 5499869 - Device for adjusting the pressure of the plastic material in a screw (1996-03-19),

12. 5378135 - Apparatus for aligning the cutting surfaces of cutting blades of a (1995-01-03),

13. 5338112 - Process and apparatus for two stage treatment of plastic materials (1994-08-16),

14. 5335991 - Plastic melt extruder having an adjustable throttling gap of non-uniform (1994-08-09),

15. 5332308 - Process and apparatus for production of plastics containing additives (1994-07-26),

Werner & Pfleiderer GmbH is a leading global supplier of industrial bakery technology. With over 150 years of experience, the company offers innovative solutions for the production of a wide range of bakery products. Their expertise in dough handling, mixing, and shaping processes ensures high-quality production, catering to the needs of small local bakeries as well as large industrial factories. Werner & Pfleiderer is dedicated to continuous research and development, enabling them to deliver advanced systems that enhance productivity, efficiency, and product consistency in the bakery industry.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

123 Patents

#12 in

#518 in Germany

#6,312 in the World

Werner & Pfleiderer Gmbh

Forward Citations = 1,537

122 inventors:

Friedrich Lambertus (11 out of 11 patents)

Albert Grimminger (10 out of 11 patents)

Werner Wiedmann (8 out of 9 patents)

4. Joachim Rudolph (7 out of 7 patents)

5. Klaus-Jurgen Hinger (6 out of 6 patents)

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