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Wuppertal, Germany

Maschinenfabrik Reinhausen Gmbh

USPTO Granted Patents = 231

CIPO Patents = 5

EPO Patents = 211

Trademarks = 53

Forward Citations = 730

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217 inventors (with patents filed for the assignee):

Dieter Dohnal (39 out of 40 patents)

Silke Wrede (24 out of 24 patents)

Karsten Viereck (23 out of 25 patents)

4. Christian Hammer (19 out of 23 patents)

5. Klaus Hoepfl (16 out of 16 patents)

6. Alfred Bieringer (12 out of 12 patents)

7. Wolfgang Albrecht (10 out of 42 patents)

8. Andreas Sachsenhauser (10 out of 10 patents)

9. Andreas Stocker (9 out of 9 patents)

10. Eduard Zerr (9 out of 9 patents)

11. Sebastian Schmid (9 out of 9 patents)

12. Thomas Schuster (9 out of 9 patents)

13. Hans-Henning Lessmann-Mieske (9 out of 11 patents)

14. Josef Neumeyer (8 out of 8 patents)

15. Stefan Nettesheim (7 out of 21 patents)

Core Competencies:

On-Load Tap-Changer

High-Voltage Applications

Power Semiconductor Device

Electrical Insulating Material

Modular Multilevel Converter

Switch Assembly

Temperature Determination

Gas Monitoring

Power Flow Control

Vacuum Interrupter

Resistor Assembly

Inductive Operating Resource

231 patents: Sort by Forward Citations

1. 12504484 - Method and system for monitoring at least one inductive operating means (2025-12-23),

2. 12500047 - Switch unit (2025-12-16),

3. 12469652 - On-load tap-changer (2025-11-11),

4. 12456590 - On-load tap changer and method for actuating an on-load tap changer (2025-10-28),

5. 12451299 - On-load tap changer and method for actuating an on-load tap changer (2025-10-21),

6. 12442811 - Analysis of a gas dissolved in an insulating medium of a high-voltage device (2025-10-14),

7. 12424352 - Insulator for high-voltage applications (2025-09-23),

8. 12422463 - System for a cable section, transmission system for transmitting electric energy, and method for operating the system (2025-09-23),

9. 12416658 - State analysis of an electrical operating resource (2025-09-16),

10. 12412708 - On-load tap changer module (2025-09-09),

11. 12412707 - Switch assembly with drive system and method for driving a switch (2025-09-09),

12. 12407272 - Cell assembly and converter comprising a plurality of arms, each having such a cell assembly (2025-09-02),

13. 12406801 - On-load tap changer and method for actuating an on-load tap changer (2025-09-02),

14. 12345754 - Analyzing an operation of a power semiconductor device (2025-07-01),

15. 12341340 - Power flow control module for use in a low-voltage local network (2025-06-24),

MASCHINENFABRIK REINHAUSEN GMBH is a globally renowned manufacturer of high-voltage equipment and automation systems. With a focus on innovation and sustainability, the company has been providing solutions to optimize the efficiency and reliability of power transformers and regulators for more than 150 years.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

231 Patents

#4 in Wuppertal

#284 in Germany

#3,604 in the World

Wuppertal, Germany

Maschinenfabrik Reinhausen Gmbh

Forward Citations = 730

217 inventors:

Dieter Dohnal (39 out of 40 patents)

Silke Wrede (24 out of 24 patents)

Karsten Viereck (23 out of 25 patents)

4. Christian Hammer (19 out of 23 patents)

5. Klaus Hoepfl (16 out of 16 patents)

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