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Darmstadt, Germany

Carl Schenck Ag

USPTO Granted Patents = 98

Trademarks = 12

Forward Citations = 1,201

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101 inventors (with patents filed for the assignee):

Andreas Pohl (10 out of 15 patents)

Volker Guyot (6 out of 8 patents)

Harald Schonfeld (6 out of 6 patents)

4. Ludger Toerner (5 out of 7 patents)

5. Guenter Keller (5 out of 7 patents)

6. Uwe Kunstmann (5 out of 7 patents)

7. Martin Mueller (5 out of 6 patents)

8. Alfred J Giers (5 out of 5 patents)

9. Hans-Walter Dodt (5 out of 6 patents)

10. Wolfgang H Burkner (5 out of 5 patents)

11. Horst Rosenfeldt (4 out of 7 patents)

12. Eckhardt Wendt (4 out of 4 patents)

13. Karlheinz Storck (4 out of 4 patents)

14. Gerhard M Melzer (4 out of 7 patents)

15. Paul Holdinghausen (4 out of 5 patents)

Core Competencies:

Electrorheological

Magnetorheological

Pressure Motor

Clutch System

Fluid Control

Signal Filtering

Machine Monitoring

Bulk Material Handling

Flow Measurement

Rotor Balancing

Density Distribution

Crack Detection

98 patents: Sort by Forward Citations

1. 6378558 - Valve on the basis of electrorheological and/or magnetorheological fluids (2002-04-30),

2. 6223138 - Carrier frequency measuring method and apparatus (2001-04-24),

3. 6149391 - Hydraulic displacement machine (2000-11-21),

4. 6116144 - Pressure motor for electro-rheological fluids (2000-09-12),

5. 5988336 - Clutch with electrorheological or magnetorheological liquid pushed (1999-11-23),

6. 5842157 - Process for monitoring a machine or installation (1998-11-24),

7. 5735439 - Apparatus for the metered discharge of bulk material from a flexible (1998-04-07),

8. 5665941 - Method and apparatus for filtering out signal components from output (1997-09-09),

9. 5615992 - Method storing or restacking goods carriers in multi-storied warehouse (1997-04-01),

10. 5533400 - Process for the early detection of a crack in a rotating shaft (1996-07-09),

11. 5421205 - Apparatus for the rapid ultimate material strength testing of test (1995-06-06),

12. 5375464 - Process for device for steering vehicle wheels rolling on test stands (1994-12-27),

13. 5353647 - Apparatus for measuring Coriolis forces for ascertaining a mass flow, (1994-10-11),

14. 5342566 - Method of manufacturing fiber gypsum board (1994-08-30),

15. 5322301 - Chucking tool with a wedging action for testing machines (1994-06-21),

Company Overview

Carl Schenck AG, based in Darmstadt, Germany, specializes in advanced technologies related to electrorheological and magnetorheological fluids. The company focuses on developing innovative solutions for fluid control systems, including pressure motors and clutch systems, which enhance machine performance and efficiency. With expertise in signal filtering and machine monitoring, Schenck AG plays a pivotal role in bulk material handling and automation, contributing to various industries through its cutting-edge research and development efforts.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

98 Patents

#11 in Darmstadt

#604 in Germany

#7,925 in the World

Darmstadt, Germany

Carl Schenck Ag

Forward Citations = 1,201

101 inventors:

Andreas Pohl (10 out of 15 patents)

Volker Guyot (6 out of 8 patents)

Harald Schonfeld (6 out of 6 patents)

4. Ludger Toerner (5 out of 7 patents)

5. Guenter Keller (5 out of 7 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Carl Schenck Ag. Retrieved from https://idiyas.com/company/carl-schenck-ag

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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