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Trademarks = 3

Forward Citations = 68

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8 inventors (with patents filed for the assignee):

Hansruedi Stutz (5 out of 12 patents)

Erich Weidmann (2 out of 11 patents)

Walter Schumperli (2 out of 3 patents)

4. Hans-Peter Keller (2 out of 4 patents)

5. Erich Loepfe (1 out of 6 patents)

6. Karl Lapp (1 out of 2 patents)

7. Max Bossard (1 out of 1 patent)

8. Beat De Coi (1 out of 1 patent)

10 patents: Sort by Forward Citations

1. 4635216 - Length measuring device for a thread (1987-01-06),

2. 4565224 - Apparatus for monitoring weft thread in a weaving machine (1986-01-21),

3. 4549268 - Apparatus for measuring the length of filamentary material, such as yarn (1985-10-22),

4. 4512028 - Electronic scanner for monitoring running threads at a multitude of (1985-04-16),

5. 4447955 - Method for determining the length of filamentary materials, such as (1984-05-15),

6. 4428405 - Electronic control device on a gripper shuttle weaving machine (1984-01-31),

7. 4421143 - Inductive projectile sensor on a gripper shuttle weaving machine (1983-12-20),

8. 4415008 - Device for monitoring the weft thread travel on an air jet weaving (1983-11-15),

9. 4373266 - Equipment for continuously measuring the length of an endless material (1983-02-15),

10. 4359068 - Electronic weft stop motion on a gripper shuttle weaving machine (1982-11-16),

Loepfe Brothers Limited is a global leader in manufacturing electronic yarn clearers and tension monitoring systems for the textile industry. With over 60 years of experience, the company offers innovative solutions to improve yarn quality and increase productivity. Their products are known for their high precision, reliability, and user-friendly design, making them the preferred choice for textile manufacturers worldwide.

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

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USPTO Data Jan 1 1976 - Dec 9 2025

10 Patents

#5 in Wetzikon

#1,018 in Switzerland

#54,238 in the World

Wetzikon, Switzerland

Loepfe Brothers Limited