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Sulzbach/Saar, Germany

Hydac System Gmbh

USPTO Granted Patents = 13

EPO Patents = 14

Forward Citations = 41

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24 inventors (with patents filed for the assignee):

Heinz-Peter Huth (2 out of 6 patents)

Frank Günter Lehmann (2 out of 2 patents)

Hubertus Schmidt (2 out of 2 patents)

4. Michael Kühn (2 out of 4 patents)

5. Kristof Schlemmer (1 out of 2 patents)

6. Sascha Alexander Biwersi (1 out of 13 patents)

7. Christoph Stoenner (1 out of 6 patents)

8. Marcus Hettiger (1 out of 3 patents)

9. Martin Piechnick (1 out of 1 patent)

10. Wolfgang Britz (1 out of 1 patent)

11. Andreas Welsch (1 out of 2 patents)

12. Rüdiger Honsbein (1 out of 1 patent)

13. Wolfgang Hahmann (1 out of 7 patents)

14. Norbert Böhmer (1 out of 1 patent)

15. Daniel Thull (1 out of 1 patent)

13 patents: Sort by Forward Citations

1. 10408363 - Valve having a control slide guided in a valve housing so as to be longitudinally movable (2019-09-10),

2. 10145086 - Apparatus for blocking and for adjusting a pressure (2018-12-04),

3. 10066645 - Turbine valve actuator (2018-09-04),

4. 9016054 - Device for compensating for hydraulic effective pressures (2015-04-28),

5. 8614522 - Energy converting device (2013-12-24),

6. 8240646 - Damping system (2012-08-14),

7. 8096568 - Hydropneumatic axle suspension for vehicles (2012-01-17),

8. 7793707 - Fluid cooling device (2010-09-14),

9. 7740457 - Means for delivery of flowable media, especially lubricants (2010-06-22),

10. 7424211 - Means for influencing the temperature of flowable media, especially of lubricants found in a lubricant system (2008-09-09),

11. 7341263 - Hydropneumatic suspension (2008-03-11),

12. 7322270 - Safety circuit for media-operated consumers and process for its operation (2008-01-29),

13. 7251936 - Suspension device (2007-08-07),

HYDAC is a leading global manufacturer of fluid technology, hydraulic solenoid valves, and electronic pressure switches. With over 9,500 employees worldwide, HYDAC provides innovative solutions and reliable products for various industries, including engineering, automotive, oil and gas, and renewable energy. Their product range includes hydraulic filters, accumulators, pumps, valves, and many more. HYDAC prides itself on its high-quality standards, extensive product knowledge, and exceptional customer service.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

13 Patents

#5 in Sulzbach/Saar

#3,060 in Germany

#43,583 in the World

Sulzbach/Saar, Germany

Hydac System Gmbh

Forward Citations = 41

24 inventors:

Heinz-Peter Huth (2 out of 6 patents)

Frank Günter Lehmann (2 out of 2 patents)

Hubertus Schmidt (2 out of 2 patents)

4. Michael Kühn (2 out of 4 patents)

5. Kristof Schlemmer (1 out of 2 patents)

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