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Bad Oeynhausen, Germany

Friedrich Theysohn Gmbh

USPTO Granted Patents = 13

Forward Citations = 79

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11 inventors (with patents filed for the assignee):

Alfred Nogossek (3 out of 7 patents)

Siegfried Topf (2 out of 4 patents)

Siegfried Topf (2 out of 2 patents)

4. Ludwig Reisinger (2 out of 13 patents)

5. Hans Groblacher (2 out of 2 patents)

6. Werner G Psiuk (2 out of 2 patents)

7. Ernst Kruger (2 out of 3 patents)

8. Reinhard Klose (1 out of 4 patents)

9. Horst Eigruber (1 out of 6 patents)

10. Helmut Habisohn (1 out of 1 patent)

11. Michael Reuter (1 out of 1 patent)

13 patents: Sort by Forward Citations

1. 5474720 - Method of and apparatus for producing elongated shaped bodies of (1995-12-12),

2. 5422049 - Method and apparatus for the plastifying of synthetic resins (1995-06-06),

3. 5405660 - Method of generating a wear-reducing layer on a plastifying worm or screw (1995-04-11),

4. 5382146 - Control device for the mechanical thermal adjustment of the nozzle of an (1995-01-17),

5. 5362146 - Plastifier with disk and pin throttle for plastic materials (1994-11-08),

6. 5352539 - Extruder housing for double-screw extruder having an annularly stepped (1994-10-04),

7. 5350231 - Double worm extruder with meshing screws (1994-09-27),

8. 5302106 - Double-worm extruder with polygonal-disk kneader (1994-04-12),

9. 5255973 - Plastifier with throttle means (1993-10-26),

10. 5238165 - Extrudate hauler with upper and lower endless tracks with yaw adjustment (1993-08-24),

11. 5236325 - Apparatus for producing an extruded profile with thrust-resistant spacer (1993-08-17),

12. 5169650 - Calibration unit for extruded plastic material (1992-12-08),

13. 5139402 - Floating plastics section calibrating device (1992-08-18),

Friedrich Theysohn GmbH is a leading manufacturer of high-quality extrusion equipment and systems for the plastics industry. With over 60 years of experience, Theysohn provides innovative solutions for the production of plastic products. Their state-of-the-art machines are known for their efficiency, reliability, and precision. The company also offers excellent customer service and technical support to ensure the success of their clients' operations.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

13 Patents

#4 in Bad Oeynhausen

#3,065 in Germany

#43,639 in the World

Bad Oeynhausen, Germany

Friedrich Theysohn Gmbh

Forward Citations = 79

11 inventors:

Alfred Nogossek (3 out of 7 patents)

Siegfried Topf (2 out of 4 patents)

Siegfried Topf (2 out of 2 patents)

4. Ludwig Reisinger (2 out of 13 patents)

5. Hans Groblacher (2 out of 2 patents)

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