For the Inventor, By the Inventor

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Lincolnshire, IL, United States of America

Hydraforce, Inc.

USPTO Granted Patents = 27

% Expired Patents = 37.0

Trademarks = 5

Forward Citations = 256

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29 inventors (with patents filed for the assignee):

Tomasz Slawinski (9 out of 9 patents)

Travis Schmidt (6 out of 6 patents)

Joel Mekkes (5 out of 5 patents)

4. Zilek Liberfarb (5 out of 11 patents)

5. Anthony Casale (4 out of 5 patents)

6. Valeriy Kazak (4 out of 4 patents)

7. Markus Bissbort (3 out of 3 patents)

8. Damiano Roberti (3 out of 3 patents)

9. James Draffkorn (2 out of 2 patents)

10. Barry German (2 out of 2 patents)

11. David Ruxton (2 out of 2 patents)

12. Kevin Cassaidy (2 out of 2 patents)

13. Jianping Chen (2 out of 2 patents)

14. Yakov Beyrak (2 out of 2 patents)

15. David A Dornbach (2 out of 6 patents)

27 patents: Sort by Forward Citations

1. 12618424 - Hydraulic control system and method with electro-proportional pressure valve and integral check (2026-05-05),

2. 12234842 - Pressure control valve with reduced pilot flow and hydraulic control system with the same (2025-02-25),

3. 12181055 - Hydraulic balancing control valve and ride control system incorporatng same (2024-12-31),

4. 12012978 - Hydraulic cartridge valve with position monitoring mechanism and hydraulic control system and method (2024-06-18),

5. 11953031 - Hydraulic control system and method with electro-proportional pressure valve and integral check (2024-04-09),

6. 11946496 - Hydraulic control valve with visual identification system (2024-04-02),

7. 11187330 - Hydraulic balancing control valve and ride control system incorporating same (2021-11-30),

8. 10641298 - Hydraulic control valve for controlling pressure drop across motors (2020-05-05),

9. 10626986 - Hydraulic motor drive system for controlling high inertial load rotary components (2020-04-21),

10. 10378559 - Hydraulic suspension for vehicle and multi-functional proportional control valve for the same (2019-08-13),

11. 9964965 - Method of controlling proportional motion control valve (2018-05-08),

12. 9657749 - Hydraulic suspension for vehicle and multi-functional proportional control valve for the same (2017-05-23),

13. 9322416 - Multi-functional proportional control valve for hydraulic suspension system for vehicle (2016-04-26),

14. 8757208 - Proportional motion control valve (2014-06-24),

15. 8253063 - Method for making a solenoid actuator (2012-08-28),

HydraForce, Inc. is a leading global manufacturer of hydraulic cartridge valves, electro-hydraulic control systems, and custom manifold solutions. With over 35 years of experience, HydraForce provides innovative and reliable hydraulic components to various industries, including agriculture, construction, material handling, and more. Their expertise in fluid power solutions and commitment to customer satisfaction make them a trusted partner for OEMs and distributors worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Sep 22 2026

27 Patents

#10 in Lincolnshire, IL

#655 in Illinois

#12,401 in US

#23,953 in the World

Lincolnshire, IL, United States of America

Hydraforce, Inc.

Forward Citations = 256

29 inventors:

Tomasz Slawinski (9 out of 9 patents)

Travis Schmidt (6 out of 6 patents)

Joel Mekkes (5 out of 5 patents)

4. Zilek Liberfarb (5 out of 11 patents)

5. Anthony Casale (4 out of 5 patents)

Please report any incorrect information to [email protected]

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