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Troisdorf, Germany

Reifenhäuser Gmbh & Co. Maschinenfabrik

USPTO Granted Patents = 111

CIPO Patents = 10

EPO Patents = 5

Trademarks = 2

Forward Citations = 1,092

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86 inventors (with patents filed for the assignee):

Hermann Balk (15 out of 15 patents)

Hans Reifenhauser (13 out of 17 patents)

Detlef Frey (12 out of 38 patents)

4. Helmut Meyer (12 out of 20 patents)

5. Hans Georg Geus (10 out of 10 patents)

6. Hartmut Halter (9 out of 11 patents)

7. Sebastian Sommer (8 out of 39 patents)

8. Bernd Kunze (7 out of 10 patents)

9. Wilfried Schwarz (5 out of 5 patents)

10. Hans-Georg Geus (4 out of 28 patents)

11. Michael Baumeister (4 out of 10 patents)

12. Klemens Krumm (4 out of 5 patents)

13. Norbert Achterwinter (4 out of 4 patents)

14. Herbert Schulz (4 out of 4 patents)

15. Wilhelm Kahlen (4 out of 4 patents)

Core Competencies:

Coextrusion Adapter

Spun Bond Fabric

Nonwoven Fabric

Polymer Fibers

Thermoplastic Materials

Melt-Blown Webs

Filament Production

Extrusion Die

Composite Webs

Winding Apparatus

Synthetic Resin Film

Foam Films

111 patents: Sort by Forward Citations

1. 10843397 - Coextrusion adapter (2020-11-24),

2. 7914719 - Process for the manufacture of a spun fleece made of filaments (2011-03-29),

3. 7854816 - Method of producing a nonwoven fabric from filaments (2010-12-21),

4. 7854813 - Method of manufacturing a non-woven fabric (2010-12-21),

5. 7850899 - Method of making spun-bond web from multicomponent filaments (2010-12-14),

6. 7740777 - Method and apparatus for producing polymer fibers and fabrics including multiple polymer components (2010-06-22),

7. 7611594 - Method of making a fiber laminate (2009-11-03),

8. 7604770 - Method of producing a film made of a thermoplastic material (2009-10-20),

9. 7585438 - Method for the cleaning of filament and fiber spinning devices (2009-09-08),

10. 7479003 - Method and device for producing a film made of a thermoplastic material (2009-01-20),

11. 7461438 - Apparatus and method for applying finishing agents onto a nonwoven web (2008-12-09),

12. 7445443 - Turning bar draw-off device for a tubular film extrusion installation (2008-11-04),

13. 7384254 - Coextrusion adapter (2008-06-10),

14. 7179412 - Method and apparatus for producing polymer fibers and fabrics including multiple polymer components in a closed system (2007-02-20),

15. 7168473 - Apparatus for making a nonwoven synthetic-resin web or fleece (2007-01-30),

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

111 Patents

#3 in 53844 Troisdorf

#565 in Germany

#6,903 in the World

Troisdorf, Germany

Reifenhäuser Gmbh & Co. Maschinenfabrik

Forward Citations = 1,092

86 inventors:

Hermann Balk (15 out of 15 patents)

Hans Reifenhauser (13 out of 17 patents)

Detlef Frey (12 out of 38 patents)

4. Helmut Meyer (12 out of 20 patents)

5. Hans Georg Geus (10 out of 10 patents)

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