Forward Citations = 10

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6 inventors (with patents filed for the assignee):

Hansjörg Dür (1 out of 2 patents)

Gerhard Kempf (1 out of 1 patent)

Norbert Heinzle (1 out of 1 patent)

4. Hansjoerg Dür (1 out of 1 patent)

5. Michael Prechtel (1 out of 1 patent)

6. Hansjorg Dur (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 6467250 - Method for the manufacture of elastic twisted yarns (2002-10-22),

2. 6293079 - Hollow spindle, in particular for the manufacture of elastic twisted yarns (2001-09-25),

3. 6021631 - Integrated doubling and twisting method and three-for-one twisting (2000-02-08),

4. 5979154 - Multi-twisting spindle with rotating balloon limiter (1999-11-09),

5. 5515671 - Method for building a specific yarn reserve at a rotating balloon (1996-05-14),

Hamel Ag is a leading agricultural machinery manufacturer specializing in high-quality and innovative products. With over 50 years of experience, we are dedicated to providing top-of-the-line equipment to farmers worldwide. Our products range from tractors and harvesters to planting and irrigation systems, all designed to improve productivity and efficiency in the field. At Hamel Ag, we are committed to delivering cutting-edge solutions to meet the evolving needs of modern agriculture.

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

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USPTO Data Jan 1 1976 - Dec 16 2025

5 Patents

#7 in Arbon

#1,655 in Switzerland

Arbon, Switzerland

Hamel Ag