logo

For the Inventor, By the Inventor

Uster, Switzerland

Zellweger Uster, Inc.


USPTO Granted Patents = 79

Trademarks = 3

Forward Citations = 907

Loading Chart...
Loading Chart...

68 inventors (with patents filed for the assignee):

goldMedal Frederick M Shofner (19 out of 48 patents)

silverMedal Joseph C Baldwin (13 out of 18 patents)

bronzeMedal Hossein M Ghorashi (13 out of 26 patents)

4.  Michael E Galyon (13 out of 22 patents)

5.  Mark G Townes (11 out of 12 patents)

6.  Youe-T Chu (10 out of 10 patents)

7.  Gordon F Williams (9 out of 12 patents)

8.  Ernst Felix (7 out of 17 patents)

9.  Mark A Overbay (7 out of 7 patents)

10.  Werner Grunder (5 out of 5 patents)

11.  Joseph H Mansfield (4 out of 4 patents)

12.  Simon Goede (4 out of 4 patents)

13.  Youe-Tsyr Chu (3 out of 10 patents)

14.  Christopher K Shofner (3 out of 14 patents)

15.  Luo Cheng (3 out of 3 patents)


Core Competencies:
Fiber Testing
Moisture Measurement
Quality Control
Fiber Strength
Automated Classing
Textile Processing
Sliver Monitoring
Fiber Individualization
Trash Detection
Micronaire Testing
Tension Measurement
Yarn Length

79 patents:

1. 6314806 - Automated classing system (2001-11-13),
2. 6188479 - Methods and apparatus for mechanically and electronically correcting presentation of entities in a fluid flow (2001-02-13),
3. 6161441 - Fiber individualizer (2000-12-19),
4. 6112131 - Gin process control (2000-08-29),
5. 6098454 - Subsampling fiber testing system (2000-08-08),
6. 6088094 - On-line sliver monitor (2000-07-11),
7. 6052182 - Fiber quality monitor (2000-04-18),
8. 6040905 - Fiber color grading system (2000-03-21),
9. 6020744 - Moisture sensor (2000-02-01),
10. 5943907 - High volume fiber testing system (1999-08-31),
11. 5907394 - Fiber strength testing system (1999-05-25),
12. 5892142 - Fiber micronaire testing system (1999-04-06),
13. 5822972 - Air curtain nep separation and detection (1998-10-20),
14. 5560194 - Method for optimally controlling fiber processing machines (1996-10-01),
15. 5544090 - Removal of undesirable entities in thin webs of textile materials (1996-08-06),
Company Overview
Zellweger Uster, Inc. is a prominent player in the field of fiber processing technologies, headquartered in Uster, Switzerland. The company specializes in developing advanced solutions for fiber testing, moisture measurement, and quality control, aimed at enhancing the efficiency and reliability of textile production. With a focus on automated classing and sliver monitoring, Zellweger Uster plays a crucial role in the textile industry by enabling manufacturers to achieve superior fiber strength and individualization, thereby improving overall product quality.
Profile summary synthesized from public USPTO records and patent filings.

logo

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

79 Patents

#1 in Uster

#202 in Switzerland

#9,582 in the World

Uster, CH
Uster, Switzerland

Zellweger Uster, Inc.

Forward Citations = 907

68 inventors:

goldMedal Frederick M Shofner (19 out of 48 patents)

silverMedal Joseph C Baldwin (13 out of 18 patents)

bronzeMedal Hossein M Ghorashi (13 out of 26 patents)

4.  Michael E Galyon (13 out of 22 patents)

5.  Mark G Townes (11 out of 12 patents)

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

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]
Loading…