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Frankfurt, Germany

Samson Aktiengesellschaft

USPTO Granted Patents = 138

% Expired Patents = 5.8

EPO Patents = 131

Trademarks = 14

Forward Citations = 379

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91 inventors (with patents filed for the assignee):

Stefan Kolbenschlag (23 out of 23 patents)

Joerg Kiesbauer (16 out of 18 patents)

Lothar Kemmler (12 out of 15 patents)

4. Andreas Sander (8 out of 8 patents)

5. Frank Valentin-Rumpel (8 out of 8 patents)

6. Heinfried Hoffmann (8 out of 10 patents)

7. Wilfried Gerk (8 out of 9 patents)

8. Michael Merscher (7 out of 8 patents)

9. Harald Kah (6 out of 6 patents)

10. David Wagner-Stuerz (6 out of 6 patents)

11. Thomas Karte (6 out of 8 patents)

12. Eugen Nebel (6 out of 6 patents)

13. Domagoj Vnucec (5 out of 5 patents)

14. Hartmut Hirt (5 out of 5 patents)

15. Sebastian Krause (4 out of 4 patents)

Core Competencies:

Control Valve

Safety Valve

Electropneumatic Actuator

Pneumatic Drive System

Diagnostic Method

Fluid-Driven Safety

Position Sensor

Leak Detection

Valves

Actuator

Process Fluid

Cage Valve

138 patents: Sort by Forward Citations

1. 12760816 - Valve control device, process engineering plant having a valve control device, diagnostic method and use of a valve control device (2026-10-13),

2. 12704197 - Measuring device (2026-08-11),

3. 12680614 - Control valve (2026-07-14),

4. 12607537 - Method and devices for detecting output-side leaks in a double cone air power booster (2026-04-21),

5. 12596362 - Method for diagnosing an open- and/or closed-loop control system, and open- and/or closed-loop control system (2026-04-07),

6. 12528121 - Housing for a valve or a fitting, semi-finished product for such a housing and method for additively manufacturing such a housing (2026-01-20),

7. 12480599 - Testing the operability of a safety valve for a safety case (2025-11-25),

8. 12449064 - Cage valve (2025-10-21),

9. 12435814 - Spring fracture detection in a preloaded actuator of a control valve (2025-10-07),

10. 12379049 - Valve cage for a control valve (2025-08-05),

11. 12345356 - Control valve unit (2025-07-01),

12. 12345344 - Control valve (2025-07-01),

13. 12241566 - Adapter for wireless data transmission (2025-03-04),

14. 12241565 - Preventing control-induced oscillations of the position of a valve member in a valve with pneumatic actuator (2025-03-04),

15. 12181371 - Establishing termination criteria for a partial-stroke test of a fluid driven safety valve, and determining the proper functioning of a fluid driven safety valve (2024-12-31),

Company Overview

Samson Aktiengesellschaft, headquartered in Frankfurt, Germany, specializes in the development and manufacturing of control valves and associated technologies. The company focuses on innovative solutions in fluid control, including safety valves, electropneumatic actuators, and pneumatic drive systems. With a strong emphasis on diagnostic methods and leak detection, Samson enhances operational safety and efficiency across various industries. Their expertise in position sensors further supports advanced control mechanisms, ensuring reliable performance in demanding environments.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

138 Patents

#21 in Frankfurt

#442 in Germany

#5,868 in the World

Frankfurt, Germany

Samson Aktiengesellschaft

Forward Citations = 379

91 inventors:

Stefan Kolbenschlag (23 out of 23 patents)

Joerg Kiesbauer (16 out of 18 patents)

Lothar Kemmler (12 out of 15 patents)

4. Andreas Sander (8 out of 8 patents)

5. Frank Valentin-Rumpel (8 out of 8 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Samson Aktiengesellschaft. Retrieved from https://idiyas.com/company/samson-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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