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Romanshorn, Switzerland

Schmidhauser Ag

USPTO Granted Patents = 20

EPO Patents = 12

Forward Citations = 21

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18 inventors (with patents filed for the assignee):

Dirk Schekulin (9 out of 12 patents)

Alex Itten (6 out of 12 patents)

Andreas Burgermeister (5 out of 15 patents)

4. Thomas Bisig (5 out of 6 patents)

5. Silvia Gross-Kaeufler (3 out of 3 patents)

6. Christof Schneggenburger (2 out of 6 patents)

7. Bernhard Laeng (2 out of 7 patents)

8. Chriss Haertsch (2 out of 2 patents)

9. Piere Cavin (2 out of 2 patents)

10. Zoltan Docs (1 out of 1 patent)

11. Andreas Schrepfer (1 out of 1 patent)

12. Thomas Lange (1 out of 1 patent)

13. Siegfried Haas (1 out of 1 patent)

14. Silvia Gross (1 out of 1 patent)

15. Chris Haertsch (1 out of 1 patent)

20 patents: Sort by Forward Citations

1. 11791089 - Coil component (2023-10-17),

2. 11374485 - Filter unit and frequency inverter (2022-06-28),

3. 11146184 - Frequency converter with drivable switch preventing undesired current flow (2021-10-12),

4. 11043914 - Control device for actuating an electric motor, electric motor and system having a control device and electric motor (2021-06-22),

5. 10924033 - Method of operating an inverter for emitter shunt current measurement and inverter (2021-02-16),

6. 10924032 - Inverter and method for operating an inverter with angle-independent variation of pulse duty factor of switching elements (2021-02-16),

7. 10811984 - Bidirectional DC-to-DC converter with voltage limitation device including switching element and voltage limitation capacitor (2020-10-20),

8. 10734151 - Transformer and associated production method (2020-08-04),

9. 10699836 - Inductor and associated production method (2020-06-30),

10. 10630204 - Network feedback unit to feed energy into a three-phase network and electrical drive system (2020-04-21),

11. 10530147 - Control device with safety shutdown (2020-01-07),

12. 10454362 - Circuit for pre-charging an intermediate circuit, and electric system (2019-10-22),

13. 10432128 - Frequency converter (2019-10-01),

14. 10389304 - System having at least one frequency converter (2019-08-20),

15. 10389264 - Power converter (2019-08-20),

Schmidhauser AG is a Swiss company specializing in construction and development projects. With a strong focus on quality and sustainability, we have been delivering innovative solutions for construction projects since 1985. Our expertise spans across various sectors including residential, commercial, and public buildings. We pride ourselves on our commitment to customer satisfaction, collaboration, and professionalism. Visit our website to learn more about our projects and services.

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

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USPTO Data Jan 1 1976 - Dec 16 2025

20 Patents

#2 in Romanshorn

#595 in Switzerland

#30,325 in the World

Romanshorn, Switzerland

Schmidhauser Ag

Forward Citations = 21

18 inventors:

Dirk Schekulin (9 out of 12 patents)

Alex Itten (6 out of 12 patents)

Andreas Burgermeister (5 out of 15 patents)

4. Thomas Bisig (5 out of 6 patents)

5. Silvia Gross-Kaeufler (3 out of 3 patents)

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