Chicago, IL, United States of America

Leonidas Jaras

This inventor holds 1 USPTO granted patent. Top assignee: Evans Products Company. Active years: 1976.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Leonidas Jaras. Retrieved from https://idiyas.com/inventor/leonidas-jaras

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 1976

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1 patent (USPTO):Explore Patents

Title: The Innovative Spirit of Leonidas Jaras in Chicago

Introduction

Leonidas Jaras is a notable inventor based in Chicago, Illinois, known for his innovative contributions to railway safety. With a focus on practical inventions, he has developed unique solutions that enhance efficiency and security in industrial applications.

Latest Patents

Jaras holds a significant patent for a sliding door locking device designed for railway freight car doors. This innovative locking device features a wedge-shaped locking pin that engages with the hasp, ensuring the doors remain tightly secured. Notably, the design allows for the pin to remain in position while providing the convenience of unlocking without complete withdrawal, improving the overall functionality of railway freight operations.

Career Highlights

Throughout his career, Jaras has been aligned with the Evans Products Company, where he applies his inventive skills to various projects. His dedication to enhancing safety and efficiency within the industry is evident in his work, reflecting a strong commitment to engineering excellence.

Collaborations

Jaras has collaborated with talented colleagues such as Norbert S. Wolak and Thomas J. Wolak, sharing expertise and insights to drive innovation within their projects. Their collective efforts signify a strong teamwork ethos and a shared vision for advancing railway technology.

Conclusion

Leonidas Jaras exemplifies the essence of innovation through his thoughtful inventions, particularly with his patented sliding door locking device. His contributions not only facilitate safer railway operations but also underscore the importance of collaboration amongst inventors in achieving groundbreaking advancements.

Profile summary based on public USPTO records.
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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