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Uster, Switzerland

Zellweger Uster Ag

USPTO Granted Patents = 42

Trademarks = 2

Forward Citations = 342

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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

Warp Thread Drawing-In

Yarn Clearers

Moisture Measurement

Static Electricity Meter

Heald Manipulation

Yarn Defects

Quality Control

Thickness Measurement

Textile Machine Monitoring

Drop Wire Handling

Transmission Current Signals

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),

Company Overview

Zellweger Uster AG, based in Uster, Switzerland, specializes in advanced technologies for the textile industry. The company focuses on developing innovative solutions for textile testing, yarn quality assessment, and machine monitoring. Its expertise encompasses yarn drawing-in, clamping devices, and static electricity measurement, ensuring optimal performance and quality in textile production. By integrating moisture measurement and thread manipulation technologies, Zellweger Uster AG enhances the efficiency and reliability of textile manufacturing processes.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

42 Patents

#4 in Uster

#328 in Switzerland

#16,338 in the World

Uster, Switzerland

Zellweger Uster Ag

Forward Citations = 342

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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Zellweger Uster Ag. Retrieved from https://idiyas.com/company/zellweger-uster-ag

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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