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For the Inventor, By the Inventor

Ravensburg, Germany

Voith Sulzer Stoffaufbereitung Gmbh

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USPTO Granted Patents = 13


Forward Citations = 64

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21 inventors (with patents filed for the assignee):

goldMedal Josef Schneid (4 out of 23 patents)

silverMedal Axel Gommel (2 out of 19 patents)

bronzeMedal Hans Schnell (2 out of 14 patents)

4.  Gerhard Veh (2 out of 3 patents)

5.  Thomas Martin (1 out of 6 patents)

6.  Werner Lange (1 out of 5 patents)

7.  Michael Trefz (1 out of 16 patents)

8.  Michael Schwarz (1 out of 7 patents)

9.  Herbert Holik (1 out of 34 patents)

10.  Reimund Rienecker (1 out of 17 patents)

11.  Jens Muller (1 out of 1 patent)

12.  Jochen Krebs (1 out of 1 patent)

13.  Hans-Dieter Dorflinger (1 out of 11 patents)

14.  Joachim Nittke (1 out of 1 patent)

15.  Rudolf Kleinert (1 out of 1 patent)


13 patents:

1. 6129212 - Flotation process and mixing device (2000-10-10),
2. 6083350 - System for treatment of waste paper having a pulping drum and a (2000-07-04),
3. 6047834 - Process for the manufacture of a sifting device with slit-shaped (2000-04-11),
4. 6042735 - Process and device to drain a fibrous pulp suspension (2000-03-28),
5. 6036029 - Device to drain a fibrous pulp suspension (2000-03-14),
6. 5836689 - Device for kneading high-consistency fiber pulp (1998-11-17),
7. 5779168 - Refiner and tooling for refining suspended fibrous material (1998-07-14),
8. 5770050 - Flotation apparatus (1998-06-23),
9. 5768783 - Method for fabricating a flat or centripetal wire (1998-06-23),
10. 5730376 - Apparatus for regulated dispersion treatment of highly consistent (1998-03-24),
11. 5727743 - Device and treatment machine for the mechanical treatment of (1998-03-17),
12. 5611434 - Rotor for a screen grader (1997-03-18),
13. 5529170 - Feed screw for sedimentation or treatment systems (1996-06-25),
Company Overview
Voith Sulzer Stoffaufbereitung GmbH, located in Ravensburg, Germany, specializes in the development and manufacturing of advanced technologies for the preparation of raw materials in various industries. The company focuses on innovative solutions for the processing of materials, particularly in the paper and pulp sector. With a commitment to sustainability and efficiency, Voith Sulzer integrates cutting-edge research into its offerings, enhancing productivity and environmental performance for its clients across the globe.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 3 2026

13 Patents

#9 in Ravensburg

#3,087 in Germany

#45,137 in the World

Ravensburg, DE
Ravensburg, Germany

Voith Sulzer Stoffaufbereitung Gmbh

Forward Citations = 64

21 inventors:

goldMedal Josef Schneid (4 out of 23 patents)

silverMedal Axel Gommel (2 out of 19 patents)

bronzeMedal Hans Schnell (2 out of 14 patents)

4.  Gerhard Veh (2 out of 3 patents)

5.  Thomas Martin (1 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Voith Sulzer Stoffaufbereitung Gmbh. Retrieved from https://idiyas.com/company/voith-sulzer-stoffaufbereitung

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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