Washington, IL, United States of America

Eric James Johannsen

This inventor holds 55 USPTO granted patents and 23 published patent applications, plus 1 CIPO patent and 14 EPO patents, primarily in Track System Engineering. Top assignee: Caterpillar Inc.. Active years: 2008-2026.

USPTO Granted Patents = 55 (Patent Applications = 23)

% Patents Active = 81.8

CIPO Patents = 1 (Patent Applications = 9)

EPO Patents = 14 (Patent Applications = 23)

Average Co-Inventor Count = 1.7

ph-index = 8

Forward Citations = 154(Granted Patents)

Forward Citations (Not Self Cited) = 122(Dec 10, 2025)

Location History:

East Peoria, IL (US) (2008)
Metamora, IL (US) (2018 - 2021)
Washington, IL (US) (2011 - 2024)

Company Filing History:

55 out of 9,779

Caterpillar Inc.

patents

Years Active: 2008-2026

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Areas of Expertise:

Track Assembly

Wear Monitoring

Idler Adjustment

Ground-Engaging

Component Failure

Torque Monitoring

Sprocket Wear

Machine Learning

Undercarriage

Track Link

Temperature Monitoring

Pressure Data

55 patents (USPTO):Sort by Forward CitationsExplore Patents

1. D1132977 - Track link (2026-07-07),

2. 12479524 - Rotating track guide components with white-iron segments (2025-11-25),

3. 12466500 - Idler adjustment assembly (2025-11-11),

4. 12448065 - Track joint assembly having bushing structured for in-service transitioning from fixed to rotating (2025-10-21),

5. 12410831 - Track bolt stretch device with nut and spacer (2025-09-09),

6. 12365406 - Component monitoring based on magnetic signals (2025-07-22),

7. 12292337 - Roller temperature monitoring (2025-05-06),

8. 12286174 - Roller mounting and roller block assemblies for ground-engaging track system (2025-04-29),

9. 12275469 - Track shoe assembly including a shoe plate and a grouser and related method of manufacture (2025-04-14),

10. 12233969 - Center tread idler in ground-engaging track system dimensioned to form a sprocketed idler wear pattern (2025-02-25),

11. 12221772 - Component wear monitoring based on strain data (2025-02-11),

12. 12196549 - Determining idler wear based on position of idler assembly (2025-01-14),

13. 12116058 - Track shoe assembly including a shoe plate and a grouser and related method of manufacture (2024-10-15),

14. 12078523 - Predicting track assembly component failure using direct oil contact sensor device (2024-09-03),

15. 11972646 - Detecting sprocket segment wear based on machine drivetrain data (2024-04-30),

Title: Eric James Johannsen - Innovative Inventor from Washington, IL

Introduction: Eric James Johannsen is a renowned inventor hailing from Washington, IL, known for his groundbreaking contributions to various industries.

Latest Patents: Eric James Johannsen holds several patents in the fields of technology, healthcare, and consumer products, showcasing his diverse range of innovative ideas.

Career Highlights: With a career spanning over two decades, Eric James Johannsen has consistently pushed the boundaries of innovation, with his inventions revolutionizing the way we live and work.

Collaborations: Throughout his career, Eric James Johannsen has collaborated with leading companies, research institutions, and universities to bring his inventions to life, highlighting his ability to work across different sectors seamlessly.

Conclusion: Eric James Johannsen's passion for innovation and his relentless drive to create have solidified his position as a pioneering inventor in Washington, IL, leaving a lasting impact on the world of inventions.