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Moenchengladbach, Germany

W. Schlafhorst Ag & Company

USPTO Granted Patents = 331

Trademarks = 3

Forward Citations = 1,369

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269 inventors (with patents filed for the assignee):

Heinz-Georg Wassenhoven (33 out of 73 patents)

Hans Raasch (28 out of 100 patents)

Hans Grecksch (25 out of 55 patents)

4. Ferdinand-Josef Hermanns (23 out of 27 patents)

5. Ulrich Wirtz (21 out of 25 patents)

6. Christian Sturm (18 out of 38 patents)

7. Franz-Josef Flamm (15 out of 15 patents)

8. Helmut Kohlen (15 out of 18 patents)

9. Helmuth Hensen (13 out of 17 patents)

10. Dietmar Engelhardt (12 out of 20 patents)

11. Karl Koltze (11 out of 12 patents)

12. Manfred Lassmann (10 out of 19 patents)

13. Paul Straaten (9 out of 11 patents)

14. Claus-Dieter Landolt (9 out of 11 patents)

15. Rolf Haasen (9 out of 11 patents)

Core Competencies:

Yarn Sensor

Open-End Spinning Device

Yarn Withdrawal Nozzle

Rotor Spinning Device

Yarn Splicing Device

Textile Machine Control

Optical Detection of Impurities

Winding Device

Creel Design

Air-Spinning Arrangement

Contactless Yarn Monitoring

Cheese Production Technology

331 patents: Sort by Forward Citations

1. 6957578 - Yarn sensor (2005-10-25),

2. 6889933 - Tube plate for a creel (2005-05-10),

3. 6886322 - Yarn withdrawal nozzle (2005-05-03),

4. 6886321 - Conduit plate adapter for an open-end spinning device (2005-05-03),

5. 6865876 - Opening roller unit of an open-end spinning device (2005-03-15),

6. 6865874 - Method and device for restarting the spinning of open-end spinning devices (2005-03-15),

7. 6863466 - Detachable coupling of a rotor cup and rotor shaft in an open-end spinning rotor (2005-03-08),

8. 6854256 - Spinning device (2005-02-15),

9. 6820407 - Opening arrangement for an open-end spinning frame (2004-11-23),

10. 6817169 - Service unit for restarting the spinning of work stations in an open-end spinning machine (2004-11-16),

11. 6804945 - Open-end rotor spinning machine (2004-10-19),

12. 6796116 - Sliver opening device for an open-end spinning device (2004-09-28),

13. 6792744 - Spinning device for producing a spun yarn by means of a circulating air flow (2004-09-21),

14. 6789381 - Yarn splicing device (2004-09-14),

15. 6745553 - Air-spinning arrangement (2004-06-08),

W. Schlafhorst AG & Company is a leading provider of textile machinery and components. They specialize in the manufacturing of spinning machines and automation solutions for the textile industry. With a rich history spanning several decades, Schlafhorst has established a strong foothold in the global market, offering innovative and reliable products. Their state-of-the-art machinery and advanced automation technologies ensure high productivity, efficiency, and precision in textile production processes. Visit their website to explore their comprehensive range of products and solutions.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

331 Patents

#1 in

#189 in Germany

#2,649 in the World

Moenchengladbach, Germany

W. Schlafhorst Ag & Company

Forward Citations = 1,369

269 inventors:

Heinz-Georg Wassenhoven (33 out of 73 patents)

Hans Raasch (28 out of 100 patents)

Hans Grecksch (25 out of 55 patents)

4. Ferdinand-Josef Hermanns (23 out of 27 patents)

5. Ulrich Wirtz (21 out of 25 patents)

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