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Uster, Switzerland

Zellweger, Ltd.

USPTO Granted Patents = 21

Forward Citations = 181

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17 inventors (with patents filed for the assignee):

Ernst Felix (6 out of 17 patents)

Hans Locher (3 out of 3 patents)

Kurt Aeppli (2 out of 8 patents)

4. Eduard Heusser (2 out of 5 patents)

5. Peter Brassel (2 out of 2 patents)

6. Werner Mannhart (2 out of 2 patents)

7. Peter Feller (1 out of 7 patents)

8. Eduard Baumann (1 out of 2 patents)

9. Ernst Loch (1 out of 5 patents)

10. Istvan Bognar (1 out of 1 patent)

11. Klaus Rommel (1 out of 1 patent)

12. Roger Kniel (1 out of 2 patents)

13. Peter Luethi (1 out of 1 patent)

14. Werner Steinmetz (1 out of 1 patent)

15. August Baumgartner (1 out of 3 patents)

21 patents: Sort by Forward Citations

1. 4343143 - Binding for fiber bundles, a method for the production of the binding (1982-08-10),

2. 4340880 - Method and apparatus for signal recognition in a remote control system (1982-07-20),

3. 4338824 - Method of adjusting a given pretension in threads on tensile strength (1982-07-13),

4. 4319493 - Apparatus for inserting a thread into a testing position of a tensile (1982-03-16),

5. 4311958 - Capacitive thread stopping motion (1982-01-19),

6. 4228814 - Cleaning apparatus for test electrodes (1980-10-21),

7. 4168604 - Method and apparatus for evaluating yarn signals based on the detection (1979-09-25),

8. 4152931 - Method and apparatus for evaluating yarn signals having an at least (1979-05-08),

9. 4122657 - Apparatus for monitoring for thread breakage a continuous sequence of (1978-10-31),

10. 4097692 - Method and apparatus for the two-way transmission of pulses (1978-06-27),

11. 4051756 - Cutting arrangement (1977-10-04),

12. 4051722 - Method and apparatus for measuring irregularities in the cross-section (1977-10-04),

13. 4038723 - Method of and an arrangement for standardizing comber slivers (1977-08-02),

14. 4019132 - Method and apparatus for determining the moisture content of different (1977-04-19),

15. 4016790 - Regulation of electronically operated quality control equipment (1977-04-12),

Zellweger, Ltd. is a leading provider of innovative technology solutions for the manufacturing industry. With a focus on optimizing productivity and increasing efficiency, our company offers a range of cutting-edge products and services to help businesses stay competitive in today's fast-paced market. From automation systems to data analysis tools, Zellweger, Ltd. is committed to delivering tailored solutions that meet the unique needs of each customer.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 13 2026

21 Patents

#3 in Uster

#568 in Switzerland

#29,116 in the World

Uster, Switzerland

Zellweger, Ltd.

Forward Citations = 181

17 inventors:

Ernst Felix (6 out of 17 patents)

Hans Locher (3 out of 3 patents)

Kurt Aeppli (2 out of 8 patents)

4. Eduard Heusser (2 out of 5 patents)

5. Peter Brassel (2 out of 2 patents)

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