Forward Citations = 20

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7 inventors (with patents filed for the assignee):

Hansruedi Stutz (1 out of 12 patents)

Erhard Kenk (1 out of 2 patents)

Theo Kenk (1 out of 1 patent)

4. Hans Spani (1 out of 2 patents)

5. Rene Domig (1 out of 2 patents)

6. Erich Loepfe (1 out of 2 patents)

7. Erich Weidmann (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 4189841 - Method and device for measuring the variations of the cross-sectional (1980-02-26),

2. 4036445 - Circuit arrangement for monitoring the operation of an electronic yarn (1977-07-19),

3. 4027232 - Device for monitoring the travel of a yarn like structure utilizing the (1977-05-31),

4. 3970115 - Device for monitoring the yarn travel in the shuttle of a shuttle loom (1976-07-20),

Company Overview

Aktiengesellschaft Gebruder Loepfe is a Swiss family-owned company specializing in the development and production of electronic systems for the textile industry. With a history dating back to 1955, the company is globally recognized for its innovative solutions for weaving machines, including weft thread brakes and electronic control systems. Gebruder Loepfe is committed to delivering high-quality products and services to its customers, ensuring improved efficiency and productivity in textile manufacturing.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

4 Patents

#8 in Wetzikon

#2,006 in Switzerland

Wetzikon, Switzerland

Aktiengesellschaft Gebruder Loepfe

Forward Citations = 20

7 inventors:

Hansruedi Stutz (1 out of 12 patents)

Erhard Kenk (1 out of 2 patents)

Theo Kenk (1 out of 1 patent)

4. Hans Spani (1 out of 2 patents)

5. Rene Domig (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Aktiengesellschaft Gebruder Loepfe. Retrieved from https://idiyas.com/company/aktiengesellschaft-gebruder-loepfe

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]