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Sulzbach, Germany

Hydac Fluidtechnik Gmbh

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USPTO Granted Patents = 74

% Expired Patents = 20.3

EPO Patents = 91

Trademarks = 1

Forward Citations = 221

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59 inventors (with patents filed for the assignee):

Peter Bruck (42 out of 43 patents)

Frank Schulz (21 out of 21 patents)

Markus Bill (19 out of 19 patents)

4. Philipp Hilzendegen (10 out of 10 patents)

5. Gerd Schneider (6 out of 6 patents)

6. Christian Groh (5 out of 8 patents)

7. Thorsten Hillesheim (5 out of 5 patents)

8. Alois Hoffmann (4 out of 4 patents)

9. Martin Grill (3 out of 3 patents)

10. Hermann Albert (3 out of 3 patents)

11. Lennard Günther (3 out of 3 patents)

12. Jan Frederik Lübbert (3 out of 3 patents)

13. Andre Jäger (3 out of 3 patents)

14. Christian Stauch (2 out of 3 patents)

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

Core Competencies:

Hydraulic Control Valves

Pressure Control Valves

Pump Devices

Energy Efficiency

Electromagnetic Valves

Flow Control Valves

Directional Control Valves

Pressure Compensators

Modular Valve Systems

Solenoid Valves

Hydraulic Accumulators

Cooling Devices

74 patents: Sort by Forward Citations

1. 12669135 - Pilot-control electromagnetic valve (2026-06-30),

2. 12650135 - Volume follow supply (2026-06-09),

3. 12607207 - Valve (2026-04-21),

4. 12607174 - Pump device (2026-04-21),

5. 12577965 - Electromagnetic pilot-operated proportional pressure control valve (2026-03-17),

6. 12540613 - Test device (2026-02-03),

7. 12534055 - System for braking a displacement-controlled drive system (2026-01-27),

8. 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),

9. 12247556 - Pump device (2025-03-11),

10. 12241484 - Valve (2025-03-04),

11. 12104711 - Valve device (2024-10-01),

12. 12027311 - Actuating device (2024-07-02),

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

14. 11313387 - System for charging and discharging at least one hydraulic accumulator (2022-04-26),

15. 11307599 - Device and valve for flow force compensation (2022-04-19),

Company Overview

Hydac Fluidtechnik GmbH, headquartered in Sulzbach, Germany, specializes in the development and manufacturing of hydraulic control valves and related technologies. The company focuses on a range of products including pressure control valves, pump devices, and electromagnetic valves, emphasizing energy efficiency and advanced flow control solutions. With a commitment to innovation, Hydac plays a significant role in enhancing hydraulic systems across various industries, ensuring optimal performance and reliability.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

74 Patents

#2 in Sulzbach

#778 in Germany

#10,140 in the World

Sulzbach, Germany

Hydac Fluidtechnik Gmbh

Forward Citations = 221

59 inventors:

Peter Bruck (42 out of 43 patents)

Frank Schulz (21 out of 21 patents)

Markus Bill (19 out of 19 patents)

4. Philipp Hilzendegen (10 out of 10 patents)

5. Gerd Schneider (6 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hydac Fluidtechnik Gmbh. Retrieved from https://idiyas.com/company/hydac-fluidtechnik

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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