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For the Inventor, By the Inventor

Grasten, Denmark

Danfoss Power Electronics A/s


USPTO Granted Patents = 62



Trademarks = 1

Forward Citations = 111

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80 inventors (with patents filed for the assignee):

goldMedal Michael Sørensen (17 out of 18 patents)

silverMedal Robert W Stiles, Jr (11 out of 48 patents)

bronzeMedal Lars Hoffmann Berthelsen (11 out of 45 patents)

4.  Florin Lungeanu (7 out of 21 patents)

5.  Einar Kjartan Runarsson (6 out of 17 patents)

6.  Ronald B Robol (6 out of 35 patents)

7.  Lasse Aro (6 out of 7 patents)

8.  Gert Kjaer (5 out of 21 patents)

9.  Leandro Della Flora (5 out of 5 patents)

10.  Peter Westermann-Rasmussen (5 out of 16 patents)

11.  Henrik Rosendal Andersen (5 out of 10 patents)

12.  Christopher Ryan Yahnker (5 out of 48 patents)

13.  Daniel J Hruby (4 out of 16 patents)

14.  Kevin Murphy (4 out of 37 patents)

15.  Sami Huhtakallio (4 out of 4 patents)


Core Competencies:
Frequency Converter
Control Panel Module
Power Electronic Device
Variable Speed Drive
Motor Controller
Inverter Circuit
Pumping System
Safety Vacuum Release System
Speed Control
Capacitor Protection
Three-Level Inverter
Magnetic Anisotropy

62 patents:

1. D1106980 - Control panel module (2025-12-23),
2. D1099862 - Control panel module (2025-10-28),
3. D1099052 - Control panel module (2025-10-21),
4. D1093310 - Frequency converter (2025-09-16),
5. D1087023 - Frequency converter (2025-08-05),
6. D1087022 - Frequency converter (2025-08-05),
7. D1082723 - Control cabinet (2025-07-08),
8. D1069706 - Frequency converter (2025-04-08),
9. D1068669 - Frequency converter (2025-04-01),
10. D1066250 - Frequency converter (2025-03-11),
11. 12176833 - Method for operating rotating machinery by means of a variable speed drive and variable speed drive for performing the method (2024-12-24),
12. D1053807 - Frequency converter (2024-12-10),
13. D1040757 - Frequency converter (2024-09-03),
14. 12015334 - Power electronic device (2024-06-18),
15. D1028888 - Frequency converter (2024-05-28),
Danfoss Power Electronics A/S is a global leader in power electronics solutions. We design, manufacture, and supply innovative products and systems for a wide range of industries, including energy, transportation, and industrial automation. With a strong commitment to sustainability and efficiency, our solutions help customers optimize energy usage, reduce carbon footprint, and enhance operational performance. Visit our website to learn more about our comprehensive portfolio of power electronics solutions.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 23 2025

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62 Patents

#1 in Graasten

#53 in Germany

#11,348 in the World

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Grasten, Denmark

Danfoss Power Electronics A/s

Forward Citations = 111

80 inventors:

goldMedal Michael Sørensen (17 out of 18 patents)

silverMedal Robert W Stiles, Jr (11 out of 48 patents)

bronzeMedal Lars Hoffmann Berthelsen (11 out of 45 patents)

4.  Florin Lungeanu (7 out of 21 patents)

5.  Einar Kjartan Runarsson (6 out of 17 patents)

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