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Düsseldorf, Germany

Feldmuehle Aktiengesellschaft

USPTO Granted Patents = 19

Forward Citations = 244

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31 inventors (with patents filed for the assignee):

Wolfgang Burger (3 out of 3 patents)

Ulf Dworak (3 out of 15 patents)

Kilian Friederich (2 out of 13 patents)

4. Hans Olapinski (2 out of 21 patents)

5. Alexander Gausa (2 out of 2 patents)

6. Otto Eder (1 out of 5 patents)

7. Dirk Rogowski (1 out of 3 patents)

8. Dieter Dippel (1 out of 1 patent)

9. Claus Dunklau (1 out of 1 patent)

10. Erwin Roos (1 out of 1 patent)

11. Harald Kraft (1 out of 1 patent)

12. Wilhelm Kluter (1 out of 1 patent)

13. Harry Krohn (1 out of 1 patent)

14. Klaus H Thormeier (1 out of 1 patent)

15. Henning Brandin (1 out of 1 patent)

19 patents: Sort by Forward Citations

1. 5139371 - Clamp for circular cutting tool (1992-08-18),

2. 5097955 - Transparent wrapping for bulk goods (1992-03-24),

3. 5092082 - Apparatus and method for laminated grinding disks employing vibration (1992-03-03),

4. 5033916 - High-speed milling or drilling heads (1991-07-23),

5. 5024977 - Combination of two sliding or sealing elements and a method for (1991-06-18),

6. 5006020 - Cutter insert for machining (1991-04-09),

7. 4975397 - Sintered molding, a method for producing it and its use (1990-12-04),

8. 4933568 - Device for testing web-like planar structures moving at high speed (1990-06-12),

9. 4895815 - Sintered form body (1990-01-23),

10. 4879000 - Process for determining dimension errors (1989-11-07),

11. 4813699 - Ski (1989-03-21),

12. 4789650 - Cutting tool insert (1988-12-06),

13. 4789433 - Skimming blade with wave shaped troughs for a papermaking machine (1988-12-06),

14. 4728582 - Ceramic sliding element with aluminum oxide and silicon nitride members (1988-03-01),

15. 4721651 - Microcapsules having capsule walls formed of aliphatic diisocyanate and (1988-01-26),

Feldmuehle Aktiengesellschaft, based in Düsseldorf, specializes in the production of high-quality paper products, focusing on sustainable and innovative solutions for various industries. The company is recognized for its expertise in developing specialty papers, including those used in packaging, labels, and graphic applications. With a commitment to environmental responsibility, Feldmuehle integrates advanced technologies in its manufacturing processes, aiming to meet the evolving needs of its global clientele while promoting sustainability in the paper industry.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

19 Patents

#35 in Düsseldorf

#2,294 in Germany

#32,592 in the World

Düsseldorf, Germany

Feldmuehle Aktiengesellschaft

Forward Citations = 244

31 inventors:

Wolfgang Burger (3 out of 3 patents)

Ulf Dworak (3 out of 15 patents)

Kilian Friederich (2 out of 13 patents)

4. Hans Olapinski (2 out of 21 patents)

5. Alexander Gausa (2 out of 2 patents)

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