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For the Inventor, By the Inventor

Bethlehem, PA, United States of America

Hydac Technology Corporation

Calculating rank
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),
Company Overview
Hydac Technology Corporation, based in Bethlehem, PA, specializes in hydraulic accumulators and related technologies. The company focuses on the development and manufacturing of advanced hydraulic systems, including damping devices, pressure vessels, and safety systems. With expertise in hydropneumatic technology, Hydac is dedicated to optimizing fluid media management and energy recovery solutions. Their innovations serve various industries, enhancing efficiency and reliability in hydraulic applications.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

Hydac Technology Corporation USPTO Patent Assignee Logo
128 Patents

#4 in Bethlehem, PA

#125 in Pennsylvania

#3,033 in US

#6,277 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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hydac Technology Corporation. Retrieved from https://idiyas.com/company/hydac-technology

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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