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For the Inventor, By the Inventor

Neunkirchen, Germany

Hydac Process Technology Gmbh


USPTO Granted Patents = 41



Trademarks = 2

Forward Citations = 76

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46 inventors (with patents filed for the assignee):

goldMedal Ralf Wnuk (22 out of 24 patents)

silverMedal Bernhard Schlichter (11 out of 11 patents)

bronzeMedal Markus Olschok (7 out of 8 patents)

4.  Norbert Lang (7 out of 9 patents)

5.  Manfred Deutschmeyer (6 out of 6 patents)

6.  Jörg Hermann Gerstner (6 out of 6 patents)

7.  Christian Schindler (5 out of 5 patents)

8.  Sergej Zeller (4 out of 4 patents)

9.  Albert Kaints (3 out of 3 patents)

10.  Hans-Juergen Lingen (3 out of 3 patents)

11.  Sebastian Hrin (3 out of 3 patents)

12.  Thomas Böttcher (3 out of 3 patents)

13.  Martin Winter (3 out of 3 patents)

14.  Stefan Klein (2 out of 2 patents)

15.  Raphael Klein (2 out of 2 patents)


Core Competencies:
Fluid Mixtures Treatment
Multilayer Filter Medium
Filter Apparatus
Phase Separation Device
Hydraulic Systems
Gas Conditioning
Impurity Separation
Cyclone Separating Device
Gas Purification
High-Pressure Filtration
Conical Filter Elements
Sealing Connections

41 patents:

1. 12201933 - Device for the treatment of fluid mixtures (2025-01-21),
2. 12090430 - Method of producing a multilayer filter medium and a filter medium produced in accordance with this method (2024-09-17),
3. 11801463 - Filter apparatus (2023-10-31),
4. 11607630 - Filter device (2023-03-21),
5. 11484819 - Filter device for fluids (2022-11-01),
6. 11458424 - Filter device (2022-10-04),
7. 11325056 - Phase separation device (2022-05-10),
8. 11278826 - Filter apparatus (2022-03-22),
9. 11266928 - Filter device (2022-03-08),
10. 11235264 - Filter apparatus (2022-02-01),
11. 11219847 - Device for treating fluid (2022-01-11),
12. 11058975 - Filtering apparatus (2021-07-13),
13. 11020692 - System for filtering fluids (2021-06-01),
14. 10981092 - Filter device (2021-04-20),
15. 10905980 - Filter device, hydraulic system and backwashing method (2021-02-02),
HYDAC PROCESS TECHNOLOGY GMBH is a leading global manufacturer of advanced process technology solutions. With over 50 years of experience, the company offers a wide range of innovative products and systems for the filtration, fluid conditioning, cooling, and control of process media. Their comprehensive portfolio includes filters, accumulators, cooling systems, sensors, controllers, and other related components. HYDAC PROCESS TECHNOLOGY GMBH serves various industries, including automotive, oil and gas, power generation, chemical, and more. Visit their website to learn more about their products, solutions, and global presence.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 23 2025

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41 Patents

#4 in Neunkirchen

#1,269 in Germany

#16,205 in the World

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Neunkirchen, Germany

Hydac Process Technology Gmbh

Forward Citations = 76

46 inventors:

goldMedal Ralf Wnuk (22 out of 24 patents)

silverMedal Bernhard Schlichter (11 out of 11 patents)

bronzeMedal Markus Olschok (7 out of 8 patents)

4.  Norbert Lang (7 out of 9 patents)

5.  Manfred Deutschmeyer (6 out of 6 patents)

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