Renton, WA, United States of America

Thomas R Liethen

This inventor holds 3 USPTO granted patents. Top assignee: Paccar Inc.. Active years: 1993-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Thomas R Liethen. Retrieved from https://idiyas.com/inventor/thomas-r-liethen

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


% Patents Active = 100.0

Average Co-Inventor Count = 1.5

ph-index = 3

Forward Citations = 85(Granted Patents)


Company Filing History:


Years Active: 1993-1994

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3 patents (USPTO):Explore Patents

Title: The Innovations of Thomas R. Liethen: A Tribute to a Visionary Inventor in Trucking

Introduction: Thomas R. Liethen, an accomplished inventor based in Renton, WA, has made significant contributions to the trucking industry with his innovative designs. With a total of three patents to his name, Liethen has demonstrated a commitment to enhancing the functionality and efficiency of truck components. His work at PACCAR Inc., a leader in the design and manufacture of heavy trucks, exemplifies his passion for innovation.

Latest Patents: Among his notable inventions, Thomas R. Liethen holds patents for a truck cab top fairing and a truck cab. These innovations are aimed at improving aerodynamics, fuel efficiency, and overall performance of heavy-duty trucks, making a considerable impact in the industry.

Career Highlights: Throughout his career at PACCAR Inc., Liethen has been at the forefront of truck design innovations. His expertise and inventive spirit have not only led to unique patent applications but have also paved the way for advancements in truck manufacturing technology.

Collaborations: In his professional journey, Thomas has worked closely with his coworker Roy L. Meryman. Their collaboration has fostered a dynamic environment that encourages creativity and pushes the boundaries of conventional truck design.

Conclusion: Thomas R. Liethen stands out as a remarkable inventor whose contributions to the trucking industry will have lasting effects. His latest patents reflect his forward-thinking approach and dedication to improving vehicle technology. As innovations continue to shape the future of trucking, Liethen's work will undoubtedly inspire future inventors and engineers in the field.

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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