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Volkmann Gmbh

USPTO Granted Patents = 15

% Expired Patents = 26.7

EPO Patents = 6

Trademarks = 3

Forward Citations = 53

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14 inventors (with patents filed for the assignee):

Thilo Volkmann (4 out of 5 patents)

Konrad Sümmermann (2 out of 2 patents)

Ralf Lohmann (2 out of 2 patents)

4. Heinz Scheufeld (2 out of 6 patents)

5. Ingo Filz (1 out of 7 patents)

6. Joachim Maas (1 out of 1 patent)

7. Christopher Tegelkamp (1 out of 1 patent)

8. Siegfried Brenk (1 out of 10 patents)

9. Jörg Zischewski (1 out of 3 patents)

10. Georg Heinen (1 out of 4 patents)

11. Markus Osterloh (1 out of 2 patents)

12. Xavier Roquet (1 out of 1 patent)

13. Heinz Stenmans (1 out of 11 patents)

14. Konrad Sümmermann (1 out of 1 patent)

15 patents: Sort by Forward Citations

1. 12023866 - Workpiece cleaning device, cleaning process and manufacturing process (2024-07-02),

2. 11987488 - Module connector, module container, and sealing element therefor (2024-05-21),

3. 10874971 - Operating and change apparatus for filter bodies; filter bodies and procedure for filter change as well as a conveyor with filters (2020-12-29),

4. 10427894 - Module connector, modular container, and sealing element therefor (2019-10-01),

5. 8967422 - Multilevel sheet metal container with outwardly beaded end faces (2015-03-03),

6. 8349048 - Filter arrangement (2013-01-08),

7. 8157483 - Method and device for rendering vacuum conveyors inert (2012-04-17),

8. 7354469 - Vacuum conveyor device with a multi-stage filter system (2008-04-08),

9. 6848641 - Actuating valve for bidirectional pneumatic cylinder and use of such actuating valve for bobbin creels controlled by pneumatic cylinders (2005-02-01),

10. 6786441 - Bobbin creel for textile machines and actuating valve for adjusting such a bobbin creel (2004-09-07),

11. 6484963 - Winding frame (2002-11-26),

12. 6425236 - Cable and yarn double-twisting spindle (2002-07-30),

13. 6401443 - Yarn brake and a two-for-one twisting spindle having such a yarn brake (2002-06-11),

14. 6363705 - METHOD FOR JOINING FIBERS ONTO THE FREE ENDS OF TWO THREADS OF A YARN PRODUCED BY AN INTEGRATED OPEN END SPINNING AND TWISTING PROCESS AND A TWO-FOR-ONE SPINNING AND TWISTING APPARATUS FOR PERFORMING THE METHOD (2002-04-02),

15. 6347505 - Yarn brake and a two-for-one twisting spindle having such a yarn brake (2002-02-19),

Company Overview

Volkmann GmbH, based in Soest, Germany, specializes in the development and manufacturing of advanced vacuum conveying systems and powder handling solutions. The company focuses on providing innovative technologies for various industries, including pharmaceuticals, food, and chemicals, ensuring efficient and safe material transfer. With a commitment to quality and precision, Volkmann leverages its expertise in pneumatic conveying to enhance operational efficiency and meet the evolving needs of its global clientele.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

15 Patents

#3 in

#2,772 in

#39,881 in the World

Volkmann Gmbh

Forward Citations = 53

14 inventors:

Thilo Volkmann (4 out of 5 patents)

Konrad Sümmermann (2 out of 2 patents)

Ralf Lohmann (2 out of 2 patents)

4. Heinz Scheufeld (2 out of 6 patents)

5. Ingo Filz (1 out of 7 patents)

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

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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