For the Inventor, By the Inventor

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Krefeld, Germany

Volkmann Gmbh & Co.

USPTO Granted Patents = 10

Trademarks = 2

Forward Citations = 15

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19 inventors (with patents filed for the assignee):

Guido Spix (6 out of 13 patents)

Stefan Kross (6 out of 6 patents)

Markus Beckmann (3 out of 5 patents)

4. Roland Greis (3 out of 3 patents)

5. Paul Schroers (2 out of 2 patents)

6. Ulrich Ballhausen (2 out of 9 patents)

7. Aloys Horstmann (2 out of 6 patents)

8. Ingo Filz (1 out of 7 patents)

9. Karl-Josef Brockmanns (1 out of 17 patents)

10. Jürgen Schnitzler (1 out of 2 patents)

11. Wilfried Ruetten (1 out of 1 patent)

12. Hans Raasch (1 out of 100 patents)

13. Wilfried Rutten (1 out of 4 patents)

14. Georg Heinen (1 out of 1 patent)

15. Bertram Schwanitz (1 out of 1 patent)

10 patents: Sort by Forward Citations

1. 6311468 - Device for producing a twisted yarn by an integrated spinning and twisting process as well as fiber feed tube (2001-11-06),

2. 6244028 - Spindle (2001-06-12),

3. 6196491 - Method and device for winding yarn onto a conical spool body (2001-03-06),

4. 6052985 - Device for producing a twisted yarn in a combined spinning and twisting (2000-04-25),

5. 6047537 - Method for producing a twisted yarn by an integrated spinning and (2000-04-11),

6. 6047535 - Method for contact-free energy and signal transmission on textile (2000-04-11),

7. 6006509 - Method for continuosly producing a twisted yard with minimal curling (1999-12-28),

8. 5964083 - Method for producing a twisted yarn in a combined spinning and twisting (1999-10-12),

9. 4392340 - Yarn monitor for two-yarn cabling or twisting machine (1983-07-12),

10. 4391087 - Twisting apparatus (1983-07-05),

Volkmann GmbH & Co. KG is a leading manufacturer of vacuum conveying systems and components for powder and bulk material handling. With over 45 years of experience, Volkmann offers innovative solutions for the pharmaceutical, food, chemical, and other industries. Their products are known for their high quality, efficiency, and reliability.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

10 Patents

#20 in

#3,713 in Germany

#54,238 in the World

Krefeld, Germany

Volkmann Gmbh & Co.

Forward Citations = 15

19 inventors:

Guido Spix (6 out of 13 patents)

Stefan Kross (6 out of 6 patents)

Markus Beckmann (3 out of 5 patents)

4. Roland Greis (3 out of 3 patents)

5. Paul Schroers (2 out of 2 patents)

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