CIPO Patents = 1

EPO Patents = 16

Trademarks = 2

Forward Citations = 143

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17 inventors (with patents filed for the assignee):

Hans-Georg Bergendahl (5 out of 8 patents)

Werner A Plagemann (4 out of 4 patents)

Wolfgang Schutze (3 out of 3 patents)

4. Harald Gunter (2 out of 2 patents)

5. Friedrich-Hans Grandin (2 out of 3 patents)

6. Hans Georg Bergendahl (2 out of 3 patents)

7. Hartmut Rieschel (2 out of 2 patents)

8. Siegfried Grone (1 out of 1 patent)

9. Kurt Zech (1 out of 1 patent)

10. Raimund Zisselmar (1 out of 3 patents)

11. Walter Pfaff (1 out of 1 patent)

12. Jan Willem Hilbrands (1 out of 1 patent)

13. Rieschel Hartmut (1 out of 1 patent)

14. Heinz Koppern (1 out of 1 patent)

15. Friedhelm Koch (1 out of 1 patent)

16 patents: Sort by Forward Citations

1. 6103159 - Method for preventing material to be briquetted from sticking to a roll (2000-08-15),

2. 6086003 - Roll press for crushing abrasive materials (2000-07-11),

3. 5833735 - Method of making steel (1998-11-10),

4. 5755033 - Method of making a crushing roll (1998-05-26),

5. 5666638 - Process for producing sponge iron briquettes from fine ore (1997-09-09),

6. 5630202 - Method for making sponge iron briquettes from fine ore (1997-05-13),

7. 5547357 - Apparatus for hot-briquetting iron sponge (1996-08-20),

8. 5376161 - Steel making process including transporting spong iron briquettes (1994-12-27),

9. 5271319 - Roll press with deaeration apparatus (1993-12-21),

10. 5215765 - Iron sponge briquetting press (1993-06-01),

11. 4925382 - Roller press for compacting fine-grained salts into sheets (1990-05-15),

12. 4571171 - Multiple injection moulding apparatus (1986-02-18),

13. 4341349 - Apparatus for the damping of bulk material (1982-07-27),

14. 4337023 - Roller press for compacting and briquetting of bulk material (1982-06-29),

15. 4037303 - Method for the briquetting of metal swarf, pellets, and powders with (1977-07-26),

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

16 Patents

#1 in 45525 Hattingen

#2,625 in Germany

#36,652 in the World

Hattingen, Germany

Maschinenfabrik Köppern Gmbh & Co. Kg

Forward Citations = 143

17 inventors:

Hans-Georg Bergendahl (5 out of 8 patents)

Werner A Plagemann (4 out of 4 patents)

Wolfgang Schutze (3 out of 3 patents)

4. Harald Gunter (2 out of 2 patents)

5. Friedrich-Hans Grandin (2 out of 3 patents)

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1 patent (CIPO):

Please report any incorrect information to support@idiyas.com

16 patents (EPO):

Please report any incorrect information to support@idiyas.com