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Gebruder Loepfe Ag

USPTO Granted Patents = 21

EPO Patents = 11

Forward Citations = 146

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26 inventors (with patents filed for the assignee):

Erich Weidmann (7 out of 11 patents)

Hansruedi Stutz (5 out of 12 patents)

Rolf Glockner (2 out of 2 patents)

4. Erich Loepfe (2 out of 6 patents)

5. Beat De Coi (1 out of 41 patents)

6. Zdenek Mazura (1 out of 1 patent)

7. Heinrich Scherer (1 out of 1 patent)

8. Christian Hunziker (1 out of 1 patent)

9. Urs Wild (1 out of 1 patent)

10. Hans-Jurgen Scheinhutte (1 out of 2 patents)

11. Thomas Pesek (1 out of 2 patents)

12. Helmut Speiser (1 out of 2 patents)

13. Walter Schumperli (1 out of 3 patents)

14. Georg Schurch (1 out of 1 patent)

15. Gunter Durr (1 out of 1 patent)

21 patents: Sort by Forward Citations

1. 6352214 - Method for identifying the spinning position of a cop (2002-03-05),

2. 5528892 - Flexible textile spindle assembly (1996-06-25),

3. 5383017 - Apparatus and method for detecting contaminants in textile products (1995-01-17),

4. 5363883 - Thread braking device having magnetically driven spring braking members (1994-11-15),

5. 5194911 - Method and apparatus for determining the quantity of material (1993-03-16),

6. 5083584 - Weft yarn detector for a shuttleless weaving loom (1992-01-28),

7. 4953265 - Device for detecting neps in carded, textile fiber material (1990-09-04),

8. 4700289 - Method of regulation and regulating device for an apparatus or group of (1987-10-13),

9. 4511253 - Device for measuring the transverse dimension of a thread (1985-04-16),

10. 4381803 - Electronic weft thread monitor (1983-05-03),

11. 4313472 - Electronic device for monitoring the weft insertion on a gripper shuttle (1982-02-02),

12. 4306812 - Device for measuring a transverse dimension of a thread-like structure (1981-12-22),

13. 4294545 - Device for continuously measuring a transverse dimension of a (1981-10-13),

14. 4276910 - Photoelectrical bobbin feeler (1981-07-07),

15. 4256247 - Device for monitoring yarn motion on a textile machine (1981-03-17),

Gebruder Loepfe AG is a leading provider of electronic online-quality monitoring systems and process control systems for the textile industry. With over 60 years of experience, the company offers innovative solutions for yarn quality monitoring, fabric inspection, and tension monitoring. Gebruder Loepfe AG's cutting-edge technology and comprehensive range of products help textile manufacturers ensure superior product quality, increase productivity, and reduce waste. The company is committed to delivering reliable and precise solutions that meet the evolving needs of the textile industry.

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

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USPTO Data Jan 1 1976 - Dec 9 2025

21 Patents

#37 in

#567 in Switzerland

#29,031 in the World

Gebruder Loepfe Ag

Forward Citations = 146

26 inventors:

Erich Weidmann (7 out of 11 patents)

Hansruedi Stutz (5 out of 12 patents)

Rolf Glockner (2 out of 2 patents)

4. Erich Loepfe (2 out of 6 patents)

5. Beat De Coi (1 out of 41 patents)

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