% Expired Patents = 14.3

Forward Citations = 28

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16 inventors (with patents filed for the assignee):

Tom Tychsen (2 out of 16 patents)

Claus J Johansen (2 out of 13 patents)

Svend Erik Thomsen (1 out of 43 patents)

4. Welm Friedrichsen (1 out of 17 patents)

5. Hans Christian Petersen (1 out of 27 patents)

6. Carsten Christensen (1 out of 13 patents)

7. Thorkild Christensen (1 out of 27 patents)

8. Siegfried Zenker (1 out of 21 patents)

9. Richard Thomas Entwistle (1 out of 6 patents)

10. Tage Christiansen (1 out of 10 patents)

11. Jens S Christensen (1 out of 1 patent)

12. Holger Krogsgård Rom (1 out of 2 patents)

13. Anders Bladt (1 out of 1 patent)

14. Ib Damgaard (1 out of 1 patent)

15. Bo Slashedrge Duus (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 6427722 - Rotary slide set for a hydraulic steering arrangement (2002-08-06),

2. 6325170 - Hydraulic vehicle drive and valve module for same (2001-12-04),

3. 6220289 - Hydraulic valve arrangement with locking and floating function (2001-04-24),

4. 6203439 - Hydraulic machine (2001-03-20),

5. 6182786 - Hydraulic steering device (2001-02-06),

6. 6158993 - Hydraulic motor (2000-12-12),

7. 6131389 - Hydrostatic steering device with two steering systems (2000-10-17),

Company Overview

Danfoss Fluid Power A/s is a leading supplier of hydraulic components and solutions for a wide range of industries. With a focus on innovation and sustainability, Danfoss offers high-quality products such as pumps, motors, valves, and power units. The company's expertise in fluid power technology helps customers improve efficiency, safety, and reliability in their operations.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

7 Patents

#11 in Nordborg

#365 in Denmark

Nordborg, Denmark

Danfoss Fluid Power A/s

Forward Citations = 28

16 inventors:

Tom Tychsen (2 out of 16 patents)

Claus J Johansen (2 out of 13 patents)

Svend Erik Thomsen (1 out of 43 patents)

4. Welm Friedrichsen (1 out of 17 patents)

5. Hans Christian Petersen (1 out of 27 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Danfoss Fluid Power A/s. Retrieved from https://idiyas.com/company/danfoss-fluid-power-a-s

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]