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Frankfurt-am-Main, Germany

Samson Aktiengesellschaft

USPTO Granted Patents = 132

EPO Patents = 117

Trademarks = 16

Forward Citations = 371

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90 inventors (with patents filed for the assignee):

Stefan Kolbenschlag (22 out of 22 patents)

Joerg Kiesbauer (16 out of 18 patents)

Lothar Kemmler (12 out of 15 patents)

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

5. Heinfried Hoffmann (8 out of 10 patents)

6. Wilfried Gerk (8 out of 9 patents)

7. Michael Merscher (7 out of 8 patents)

8. Andreas Sander (7 out of 7 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 Solenoid Valve

Actuator

Wireless Data Transmission

Fluid Driven Safety Valve

Diagnostic Method

Pneumatic Actuator

Valve Housing

Electromagnetic Impact Valve

Control Interaction Method

Positioning Device

132 patents: Sort by Forward Citations

1. 12480599 - Testing the operability of a safety valve for a safety case (2025-11-25),

2. 12449064 - Cage valve (2025-10-21),

3. 12435814 - Spring fracture detection in a preloaded actuator of a control valve (2025-10-07),

4. 12379049 - Valve cage for a control valve (2025-08-05),

5. 12345356 - Control valve unit (2025-07-01),

6. 12345344 - Control valve (2025-07-01),

7. 12241566 - Adapter for wireless data transmission (2025-03-04),

8. 12241565 - Preventing control-induced oscillations of the position of a valve member in a valve with pneumatic actuator (2025-03-04),

9. 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),

10. 12169032 - Actuator for a process plant (2024-12-17),

11. 12140245 - Electric field device (2024-11-12),

12. 12117099 - Method for testing the functionality of a solenoid valve for triggering a safety valve (2024-10-15),

13. 12117092 - Electropneumatic solenoid valve, field device having solenoid valve and diagnostic method for electropneumatic solenoid valve (2024-10-15),

14. 12098937 - Measuring channel and process for spatially arranging a sensor component or sensor array in a measuring channel (2024-09-24),

15. 12098781 - Diagnosis of possible causes of changes in a control valve (2024-09-24),

Samson Aktiengesellschaft specializes in providing high-quality control valve solutions and automation systems. With over 100 years of experience, Samson has established itself as a leading global provider of industrial process control solutions. Their portfolio includes a wide range of products and services such as control valves, actuators, regulators, and related accessories. Samson caters to various industries including oil and gas, chemicals, power, water, and wastewater. Their commitment to innovation, reliability, and customer satisfaction makes them a trusted partner for businesses worldwide.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

132 Patents

#16 in Frankfurt-am-Main

#490 in Germany

#5,929 in the World

Frankfurt-am-Main, Germany

Samson Aktiengesellschaft

Forward Citations = 371

90 inventors:

Stefan Kolbenschlag (22 out of 22 patents)

Joerg Kiesbauer (16 out of 18 patents)

Lothar Kemmler (12 out of 15 patents)

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

5. Heinfried Hoffmann (8 out of 10 patents)

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