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Uster, Switzerland

Zellweger Uster Ag

USPTO Granted Patents = 42

Trademarks = 2

Forward Citations = 339

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39 inventors (with patents filed for the assignee):

Hans Wilhelm (5 out of 5 patents)

Peter F Aemmer (3 out of 8 patents)

Eduard Heusser (3 out of 5 patents)

4. Ernst Felix (2 out of 17 patents)

5. Hans Wampfler (2 out of 10 patents)

6. Bernhard Konrad (2 out of 2 patents)

7. Kurt Aeppli (2 out of 8 patents)

8. Silvio Jaeger (2 out of 2 patents)

9. Francois Baechler (2 out of 6 patents)

10. Hermann Eglseer (2 out of 2 patents)

11. Ernst Loch (2 out of 5 patents)

12. Heinz Etter (2 out of 7 patents)

13. Isidor Harzenmoser (1 out of 5 patents)

14. Elo H Hansen (1 out of 12 patents)

15. Jaromir Ruzicka (1 out of 12 patents)

Core Competencies:

Textile Testing

Yarn Drawing-In

Clamping Devices

Static Electricity Measurement

Yarn Quality Assessment

Textile Machine Monitoring

Moisture Measurement

Thread Manipulation

Electronic Meters

Warp Thread Insertion

Textile Defect Detection

Strength Properties Testing

42 patents: Sort by Forward Citations

1. 5414520 - Process and device for detecting impurities in a textile test material (1995-05-09),

2. 5381594 - Machine for the automatic drawing-in of warp threads having warp beam (1995-01-17),

3. 5373614 - Clamping device for a yarn layer and use thereof (1994-12-20),

4. 5361467 - Drop wire handling apparatus for warp yarn drawing-in machine (1994-11-08),

5. 5355566 - Machine for the automatic drawing-in of warp threads (1994-10-18),

6. 5351535 - Mechanism for inserting a thread into a yarn tester (1994-10-04),

7. 5317790 - Clamping device for a plane thread layer and use of said device (1994-06-07),

8. 5317250 - Modular electronic meter having reduced width (1994-05-31),

9. 5287605 - Device for manipulating healds or drop wires in a warp-thread drawing-in (1994-02-22),

10. 5274894 - Machine for the automatic drawing-in of warp threads (1994-01-04),

11. 5253404 - Apparatus for drawing warp yarns into a weaving reed (1993-10-19),

12. 5249339 - Apparatus for drawing in warp threads (1993-10-05),

13. D339077 - Static electricity counting meter (1993-09-07),

14. 5233727 - Device for measuring the thickness and/or unevenness of webs or wadding (1993-08-10),

15. 5184380 - Method and apparatus for singularizing healds for warp thread drawing-in (1993-02-09),

Zellweger Uster AG is a leading provider of technology solutions for the textile industry. With a rich history dating back to 1818, the company specializes in the development and manufacturing of quality control systems and equipment used in spinning mills worldwide. Using advanced technology and innovative solutions, Zellweger Uster AG helps optimize the production processes, ensuring higher quality and efficiency. Their comprehensive product portfolio includes instruments for fiber testing, yarn clearing, thread management, and laboratory testing. Visit their website for more information and to explore their cutting-edge textile technology solutions.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

42 Patents

#2 in Uster

#318 in Switzerland

#15,858 in the World

Uster, Switzerland

Zellweger Uster Ag

Forward Citations = 339

39 inventors:

Hans Wilhelm (5 out of 5 patents)

Peter F Aemmer (3 out of 8 patents)

Eduard Heusser (3 out of 5 patents)

4. Ernst Felix (2 out of 17 patents)

5. Hans Wampfler (2 out of 10 patents)

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