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For the Inventor, By the Inventor

Stuttgart, Germany

Coperion Gmbh


USPTO Granted Patents = 44

% Expired Patents = 13.6



Trademarks = 14

Forward Citations = 57

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83 inventors (with patents filed for the assignee):

goldMedal Ulrich Conrad (6 out of 6 patents)

silverMedal Markus Schmudde (5 out of 5 patents)

bronzeMedal Michael Dürr (4 out of 4 patents)

4.  Bruno Zinser (4 out of 4 patents)

5.  Sören Welb (4 out of 5 patents)

6.  Ralf Riehle (4 out of 4 patents)

7.  Thorsten Stirner (4 out of 4 patents)

8.  Norbert Kern (3 out of 3 patents)

9.  Bernhard Stöhrer (3 out of 4 patents)

10.  Heiko Hornberger (3 out of 3 patents)

11.  Bernhard Stark (3 out of 5 patents)

12.  Thomas Vögele (3 out of 3 patents)

13.  Hans-Joachim Sämann (3 out of 3 patents)

14.  Michael Walter (2 out of 2 patents)

15.  Peter Munkes (2 out of 2 patents)


Core Competencies:
Screw Machines
Pelletizers
Plastic Granulate
Extruders
Conveying Systems
Material Processing
Treatment Elements
Vacuum Housing Inserts
Gearbox Assemblies
Pneumatic Conveying
Devolatilizing Polymer Melts
Blade Heads

44 patents:

1. 12728398 - Mixing silo for bulk material, production plant with a mixing silo of this type and method for operating a mixing silo of this type (2026-09-08),
2. 12709043 - DEVICE AND METHOD FOR PROCESSING BULK MATERIAL (2026-08-18),
3. 12689018 - Process and arrangement for production of an electrode suspension (2026-07-21),
4. 12540044 - Cellular wheel sluice for bulk material, and method for automatically clearing a cellular wheel of such a cellular wheel sluice (2026-02-03),
5. 12440814 - Feeding screw machine for feeding a processing screw machine (2025-10-14),
6. 12377580 - Strand pelletizer and method for adjusting the cutting gap of such a pelletizer (2025-08-05),
7. 12370582 - Housing cleaning device for cleaning a housing of a screw machine (2025-07-29),
8. 12311405 - Method and device for producing a powder coating melt (2025-05-27),
9. 12083729 - Treatment element for a treatment element shaft of a screw machine, and method for producing a treatment element (2024-09-10),
10. 12076904 - Device and method for producing a dyed and an undyed plastic melt (2024-09-03),
11. 12057664 - Heating apparatus for at least one housing section of a screw extruder and method for servicing a heating apparatus of this kind (2024-08-06),
12. 11986977 - Method and reprocessing installation for reprocessing film waste material (2024-05-21),
13. 11911772 - Blade head for granulating strands of material and granulating apparatus having such a blade head and method for assembling such a blade head (2024-02-27),
14. 11478970 - Housing component for a multi-shaft screw machine and method for the production of a housing component (2022-10-25),
15. 11447345 - Connecting device for connecting a screw machine to a gear mechanism, and method for cleaning such a connecting device (2022-09-20),
Coperion GmbH is a global market leader in the areas of compounding and extrusion, feeding and weighing, bulk material handling, and service. With over 30 locations worldwide, Coperion delivers advanced solutions for various industries including plastics, chemicals, food and pharmaceuticals. Their innovative technologies, equipment, and services help customers improve their efficiency, productivity, and sustainability.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Sep 29 2026

Coperion Gmbh
44 Patents

#26 in D-7000 Stuttgart

#1,180 in Germany

#15,727 in the World

Stuttgart, DE
Stuttgart, Germany

Coperion Gmbh

Forward Citations = 57

83 inventors:

goldMedal Ulrich Conrad (6 out of 6 patents)

silverMedal Markus Schmudde (5 out of 5 patents)

bronzeMedal Michael Dürr (4 out of 4 patents)

4.  Bruno Zinser (4 out of 4 patents)

5.  Sören Welb (4 out of 5 patents)

Please report any incorrect information to [email protected]
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