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For the Inventor, By the Inventor

Bethlehem, PA, United States of America

Hydac Technology Corporation


USPTO Granted Patents = 128

% Expired Patents = 8.6


Trademarks = 6

Forward Citations = 647

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87 inventors (with patents filed for the assignee):

goldMedal Herbert Baltes (51 out of 51 patents)

silverMedal Peter Kloft (37 out of 38 patents)

bronzeMedal Norbert Weber (28 out of 28 patents)

4.  Frank Bauer (8 out of 8 patents)

5.  Martin Groben (6 out of 6 patents)

6.  Robert Marinus Behr (5 out of 8 patents)

7.  Markus Lehnert (5 out of 5 patents)

8.  Walter Dorr (5 out of 5 patents)

9.  Frank Thielecke (4 out of 6 patents)

10.  Arne Waitschat (4 out of 4 patents)

11.  Alexander Albert (4 out of 4 patents)

12.  Norbert Lange (3 out of 3 patents)

13.  Armin Kort (3 out of 3 patents)

14.  Torsten Kusserow (3 out of 3 patents)

15.  Sascha Alexander Biwersi (2 out of 13 patents)


Core Competencies:
Hydraulic Accumulator
Damping Device
Pressure Vessel
Safety System
Hydropneumatic
Accumulator Device
Fluid Media
Energy Recovery
Piston Accumulator
Bellows Accumulator
Valve Components
Hydraulic Unit

128 patents:

1. 12723602 - Pressure accumulator (2026-09-01),
2. 12644473 - Hydraulic accumulator (2026-06-02),
3. 12553430 - Conveying device (2026-02-17),
4. 12404879 - Separator and hydraulic accumulator having such a separator (2025-09-02),
5. 12383911 - Hydraulic accumulator (2025-08-12),
6. 12331760 - Hydraulic accumulator (2025-06-17),
7. 12241482 - Piston accumulator (2025-03-04),
8. 11885453 - Damping device (2024-01-30),
9. 11866999 - Cutting roller (2024-01-09),
10. 11781569 - Bellows accumulator (2023-10-10),
11. 11680385 - Ride control valve (2023-06-20),
12. 11598351 - Hydraulic accumulator (2023-03-07),
13. 11542962 - Piston accumulator (2023-01-03),
14. 11480198 - Damping device (2022-10-25),
15. 11434932 - Bellows accumulator (2022-09-06),
HYDAC Technology Corporation is a global leader in hydraulics, electronics, and systems engineering. With over 55 years of experience, HYDAC offers a comprehensive range of products and services for various industries including mobile machines, industrial and environmental technology, and oil and gas. Their solutions include hydraulic systems, filtration technologies, accumulators, cooling systems, and condition monitoring. HYDAC's commitment to innovation and quality has made them a trusted partner for customers worldwide.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Sep 15 2026

Hydac Technology Corporation
128 Patents

#4 in Bethlehem, PA

#125 in Pennsylvania

#3,021 in US

#6,255 in the World

Bethlehem, PA (US)
Bethlehem, PA, United States of America

Hydac Technology Corporation

Forward Citations = 647

87 inventors:

goldMedal Herbert Baltes (51 out of 51 patents)

silverMedal Peter Kloft (37 out of 38 patents)

bronzeMedal Norbert Weber (28 out of 28 patents)

4.  Frank Bauer (8 out of 8 patents)

5.  Martin Groben (6 out of 6 patents)

Please report any incorrect information to [email protected]
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