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For the Inventor, By the Inventor

Weinheim, Germany

Firma Carl Freudenberg


USPTO Granted Patents = 629

% Expired Patents = 4.0



Trademarks = 3

Forward Citations = 8,714

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565 inventors (with patents filed for the assignee):

goldMedal Arno Hamaekers (25 out of 26 patents)

silverMedal Axel Rudolph (21 out of 21 patents)

bronzeMedal Arnold Simuttis (20 out of 23 patents)

4.  Hans-Gerd Eckel (20 out of 26 patents)

5.  Andreas Sausner (16 out of 44 patents)

6.  Klaus Heckel (16 out of 18 patents)

7.  Klaus Kurr (15 out of 15 patents)

8.  Erich Fahrbach (15 out of 16 patents)

9.  Rolf Vogt (14 out of 17 patents)

10.  Joachim Heinemann (14 out of 14 patents)

11.  Bohuslav Tecl (14 out of 16 patents)

12.  Hans Forch (13 out of 14 patents)

13.  Dieter Groitzsch (12 out of 14 patents)

14.  Ulrich Freudenberg (12 out of 12 patents)

15.  Gerhard Graab (11 out of 15 patents)


Core Competencies:
Nonwoven Fabric
Sealing Arrangement
Cleaning Devices
Filter Element
Hydraulic Bearing
Floor Covering
Vibration Damper
Mop Wringing
Elastic Suspension
Polyurethane Molding
Medical Bandaging
Airbag Gas Inflator

629 patents:

1. 7191813 - Method and device for producing a spunbonded nonwoven fabric (2007-03-20),
2. 7086114 - Wet floor wiping device (2006-08-08),
3. 7056271 - Folded-three-dimensional object, particularly a filter element (2006-06-06),
4. 6941612 - Mop wringer (2005-09-13),
5. 6939598 - Floor covering made of an elastomer material having a relief-type patterned surface (2005-09-06),
6. 6887331 - Method and device for producing a spunbonded nonwoven fabric (2005-05-03),
7. 6845985 - Rotating mechanical seal (2005-01-25),
8. 6836978 - Shoe, especially shoe for small children (2005-01-04),
9. 6823557 - Wringing device for cleaning elements of wet and moist mops (2004-11-30),
10. 6779798 - Sealing arrangement (2004-08-24),
11. 6777065 - Fixing liner with double layer adhesive dots (2004-08-17),
12. 6772468 - Floor-mopping device (2004-08-10),
13. 6763574 - Processing device (2004-07-20),
14. 6723416 - Flat nonwoven fiber aggregate with three-dimensional structure and method for its production (2004-04-20),
15. 6715768 - Sealing ring having a sealing bead (2004-04-06),
Firma Carl Freudenberg, headquartered in Weinheim, Germany, specializes in advanced nonwoven fabric technology. The company develops a diverse range of products, including sealing arrangements, cleaning devices, filter elements, hydraulic bearings, and vibration dampers. With a strong focus on innovation, Freudenberg serves various industries by providing high-performance solutions that enhance product functionality and reliability. Their expertise in nonwoven materials positions them as a key player in the global market for engineered fabrics.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

Firma Carl Freudenberg
629 Patents

#1 in

#84 in Germany

#1,571 in the World

Weinheim, DE
Weinheim, Germany

Firma Carl Freudenberg

Forward Citations = 8,714

565 inventors:

goldMedal Arno Hamaekers (25 out of 26 patents)

silverMedal Axel Rudolph (21 out of 21 patents)

bronzeMedal Arnold Simuttis (20 out of 23 patents)

4.  Hans-Gerd Eckel (20 out of 26 patents)

5.  Andreas Sausner (16 out of 44 patents)

Please report any incorrect information to [email protected]
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