Washington, IL, United States of America

Steven Edward Johnson

This inventor holds 18 USPTO granted patents and 5 published patent applications and 4 EPO patents, primarily in Hydraulic Systems. Top assignees: Caterpillar Inc., Caterpillar Sarl. Active years: 1994-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Steven Edward Johnson. Retrieved from https://idiyas.com/inventor/steven-edward-johnson

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 18 (Patent Applications = 5)

% Patents Active = 100.0

EPO Patents = 4 (Patent Applications = 3)

Average Co-Inventor Count = 2.3

ph-index = 3

Forward Citations = 22(Granted Patents)

Location History:

Yale, SD (US) (1994)
Crest Hill, IL (US) (2017 - 2018)
Washington, IL (US) (2019 - 2021)
Metamora, IL (US) (2020 - 2023)

Company Filing History:

where one patent can have more than one assignee

Years Active: 1994-2026

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Areas of Expertise:

Brake Cooling System

Hydraulic Valve Module

Articulated Truck Steering

Flow Sharing Control

Suspension System

Automatic Retarding Control

Fluid Delivery System

Emergency Steering Pump

Hydraulic Driven Fan

Brake Charge Valve

Modular Hydraulic Assembly

Braking System

18 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12768413 - Brake cooling system and method to reduce energy consumption in a work machine (2026-10-20),

2. 12650331 - System and method for calibrating process to compute weight of material in dump bodies (2026-06-09),

3. 12221178 - Articulated truck steering (2025-02-11),

4. 12163459 - Flow sharing control for multiple hydraulic fan motors (2024-12-10),

5. 11787255 - Suspension system with individual ride height and dampening control (2023-10-17),

6. 11738732 - Automatic retarding control system (2023-08-29),

7. 11427168 - Brake system for a vehicle (2022-08-30),

8. 11117562 - Hydraulic valve module and method for supplying hydraulic pressure to circuits of a vehicle (2021-09-14),

9. 10982586 - Distributed cooling system for a work machine (2021-04-20),

10. 10981554 - Fluid delivery system (2021-04-20),

11. 10822025 - Hydraulic valve module for steering and work functions in a work vehicle (2020-11-03),

12. 10746200 - Modular hydraulic valve assembly for work vehicle (2020-08-18),

13. 10625726 - Hydraulic system for brakes (2020-04-21),

14. 10259493 - Emergency steering pump system for a machine (2019-04-16),

15. 10006334 - Hydraulic driven fan system (2018-06-26),

Title: The Innovative Mind of Steven Johnson in Hydraulic Systems

Introduction

Steven Johnson, an inventive mind hailing from Metamora, IL, has made significant strides in the world of hydraulic systems. His innovative approach to solving engineering challenges has earned him a patent that showcases his ability to enhance efficiency in cooling mechanisms.

Latest Patents

Johnson holds a patent for a groundbreaking invention titled "Flow Sharing Control for Multiple Hydraulic Fan Motors." This innovative design enables two cooling fans operating on different heat exchangers to be driven by parallel circuits from a variable displacement hydraulic pump. The unique aspect of this patent is the incorporation of a two-position valve, controlled by a system that adjusts the flow resistance of the circuit. This adjustment allows for shared flow between the two fan motors, optimizing performance based on the relative heat load on the heat exchangers. Furthermore, the system ensures that the pump displacement maintains a constant hydraulic output pressure, regardless of the operational state of each valve assembly.

Career Highlights

Steven Johnson is currently employed at Caterpillar SARL, a prominent player in the machinery and equipment industry. His work there emphasizes his dedication to innovation and engineering excellence. His patent has positioned him as a resourceful inventor in the field of hydraulic systems, contributing not only to his career development but also to the technological advancements at Caterpillar.

Collaborations

Throughout his career, Johnson has collaborated with talented individuals such as Adam J Adeeb and Samantha L Sergott. Working with such skilled colleagues fosters innovation and drives forward their collective goal of enhancing industrial solutions through advanced engineering.

Conclusion

Steven Johnson's contributions to hydraulic systems underscore the importance of innovation in engineering. His patent reflects a deep understanding of hydraulic mechanics and a commitment to improving technology. As he continues his work at Caterpillar, the impact of his inventive spirit will undoubtedly lead to further advancements in the industry.

Profile summary based on public USPTO records.