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Flensburg, Germany

Danfoss Compressors Gmbh

USPTO Granted Patents = 51

% Expired Patents = 43.1

EPO Patents = 1

Trademarks = 1

Forward Citations = 480

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37 inventors (with patents filed for the assignee):

Frank Holm Iversen (22 out of 37 patents)

Marten Nommensen (9 out of 14 patents)

Niels Christian Weihrauch (8 out of 8 patents)

4. Heinz Otto Lassen (7 out of 9 patents)

5. Preben Bjerre (6 out of 6 patents)

6. Rune Thomsen (5 out of 9 patents)

7. Hans Peter Kristensen (4 out of 4 patents)

8. Claus Schmidt (4 out of 4 patents)

9. Christian Petersen (4 out of 4 patents)

10. Christian Svendsen (4 out of 5 patents)

11. Jan Thomsen (3 out of 4 patents)

12. Peter Scavenius Andersen (3 out of 3 patents)

13. Jens Erik Nissen (3 out of 4 patents)

14. Morten Svendsen (3 out of 4 patents)

15. Ole Schebel Bachmann (3 out of 3 patents)

Core Competencies:

Piston Compressor

Refrigerant Compressor

Motor Control

Suction Muffler

Electrical Machine

Rotor Arrangement

Cooling Medium

Cylinder Head

Lubricant Coated Wire

Speed Control

Suction Valve

Hermetic Design

51 patents: Sort by Forward Citations

1. 7935888 - Protective cover arrangement for an electrical unit (2011-05-03),

2. 7934913 - Piston compressor, particularly a hermetic refrigerant compressor (2011-05-03),

3. 7886553 - Method and a control unit for controlling a power level (2011-02-15),

4. 7874170 - Intelligent lighting supply (2011-01-25),

5. 7851963 - Rotor of an electrical machine and motor with such a rotor (2010-12-14),

6. D625692 - Application module for a compressor (2010-10-19),

7. 7777992 - Motor start circuit (2010-08-17),

8. 7777438 - Motor start circuit (2010-08-17),

9. 7722337 - Piston compressor cylinder arrangement, particularly for a hermetically enclosed refrigerant compressor (2010-05-25),

10. 7686594 - Refrigerant compressor arrangement (2010-03-30),

11. 7646617 - Method for controlling a direct voltage source and a voltage supply device (2010-01-12),

12. 7630180 - Motor starter circuit (2009-12-08),

13. 7619343 - Rotor for an electrical motor (2009-11-17),

14. 7612481 - Rotor with a cover plate for securing a magnet in the rotor (2009-11-03),

15. 7610771 - Refrigerating apparatus and refrigerator (2009-11-03),

Company Overview

Danfoss Compressors GmbH, located in Flensburg, Germany, specializes in the development and manufacturing of advanced refrigerant compressors. The company focuses on piston compressors and various technologies related to motor control, suction mufflers, and electrical machines. With a commitment to innovation, Danfoss aims to enhance efficiency and performance in cooling applications. Their expertise extends to optimizing rotor arrangements and cylinder head designs, contributing to sustainable solutions in the refrigeration industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

51 Patents

#2 in Flensburg

#1,038 in Germany

#13,776 in the World

Flensburg, Germany

Danfoss Compressors Gmbh

Forward Citations = 480

37 inventors:

Frank Holm Iversen (22 out of 37 patents)

Marten Nommensen (9 out of 14 patents)

Niels Christian Weihrauch (8 out of 8 patents)

4. Heinz Otto Lassen (7 out of 9 patents)

5. Preben Bjerre (6 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Danfoss Compressors Gmbh. Retrieved from https://idiyas.com/company/danfoss-compressors

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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