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Sulzbach/Saar, Germany

Hydac Fluidtechnik Gmbh

USPTO Granted Patents = 67

EPO Patents = 89

Trademarks = 3

Forward Citations = 201

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71 inventors (with patents filed for the assignee):

Peter Bruck (38 out of 39 patents)

Markus Bill (19 out of 19 patents)

Frank Schulz (17 out of 17 patents)

4. Philipp Hilzendegen (10 out of 10 patents)

5. Gerd Schneider (5 out of 5 patents)

6. Thorsten Hillesheim (5 out of 5 patents)

7. Alois Hoffmann (4 out of 4 patents)

8. Martin Grill (3 out of 3 patents)

9. Hermann Albert (3 out of 3 patents)

10. Maximilian Felix Hess (2 out of 2 patents)

11. Michael Reik (2 out of 2 patents)

12. Christopher Ward (2 out of 2 patents)

13. Peter Malone (2 out of 2 patents)

14. Harald Klahm (2 out of 2 patents)

15. Gerd Anton Thiry (2 out of 2 patents)

Core Competencies:

Fluid Control Valves

Hydraulic Accumulators

Pressure Regulating Valves

Directional Control Valves

Energy Efficiency Systems

Proportional Throttle Valves

Hydraulic Hybrid Systems

Flow Control Devices

Pressure Limiting Valves

Valve Assemblies

Solenoid Valves

Actuating Devices

67 patents: Sort by Forward Citations

1. 12378977 - Valve for providing a fluid-conducting connection between a pressure supply port and a consumer port or between the consumer port and a return port (2025-08-05),

2. 12247556 - Pump device (2025-03-11),

3. 12241484 - Valve (2025-03-04),

4. 12104711 - Valve device (2024-10-01),

5. 12027311 - Actuating device (2024-07-02),

6. 11442478 - Pressure control device (2022-09-13),

7. 11313387 - System for charging and discharging at least one hydraulic accumulator (2022-04-26),

8. 11307599 - Device and valve for flow force compensation (2022-04-19),

9. 11268544 - Pressure compensator valve (2022-03-08),

10. 10871177 - Discharge pressure scale and lifting-lowering device having a discharge pressure scale of this type (2020-12-22),

11. 10865891 - Device for flow force compensation (2020-12-15),

12. 10801638 - Valve, in particular a 4/2-way slide valve (2020-10-13),

13. 10781833 - Hydraulic hybrid system for rotatory applications (2020-09-22),

14. 10678276 - Valve device for controlling a fluid flow and flow control valve (2020-06-09),

15. 10678273 - Pressure-regulating valve (2020-06-09),

HYDAC FLUIDTECHNIK GMBH is a leading manufacturer of hydraulic components and systems. With a wide range of products including filters, accumulators, valves, pumps, and more, HYDAC provides innovative solutions for various industries such as construction, agriculture, and industrial automation. Their high-quality products are designed to optimize performance, ensure reliability, and reduce downtime. For over 50 years, HYDAC has been committed to meeting customer demands and delivering excellent hydraulic solutions worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

67 Patents

#2 in Sulzbach/Saar

#866 in Germany

#10,593 in the World

Sulzbach/Saar, Germany

Hydac Fluidtechnik Gmbh

Forward Citations = 201

71 inventors:

Peter Bruck (38 out of 39 patents)

Markus Bill (19 out of 19 patents)

Frank Schulz (17 out of 17 patents)

4. Philipp Hilzendegen (10 out of 10 patents)

5. Gerd Schneider (5 out of 5 patents)

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