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For the Inventor, By the Inventor

Krefeld, Germany

Volkmann Gmbh & Co.

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USPTO Granted Patents = 10

Trademarks = 2

Forward Citations = 15

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19 inventors (with patents filed for the assignee):

goldMedal Guido Spix (6 out of 13 patents)

silverMedal Stefan Kross (6 out of 6 patents)

bronzeMedal 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:

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),
Company Overview
Volkmann GmbH & Co. is a specialized manufacturer based in Krefeld, Germany, focusing on innovative solutions for the pharmaceutical and chemical industries. The company excels in the development of advanced vacuum conveying systems, which enhance material handling processes while ensuring safety and efficiency. With a commitment to quality and technological advancement, Volkmann serves a global clientele, providing tailored solutions that meet the stringent requirements of various industrial applications.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

10 Patents

#19 in

#3,757 in Germany

#56,119 in the World

Krefeld, DE
Krefeld, Germany

Volkmann Gmbh & Co.

Forward Citations = 15

19 inventors:

goldMedal Guido Spix (6 out of 13 patents)

silverMedal Stefan Kross (6 out of 6 patents)

bronzeMedal Markus Beckmann (3 out of 5 patents)

4.  Roland Greis (3 out of 3 patents)

5.  Paul Schroers (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Volkmann Gmbh & Co.. Retrieved from https://idiyas.com/company/volkmann-and-company

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]
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