Dover, PA, United States of America

Marlin E Clark

This inventor holds 1 USPTO granted patent. Top assignee: Keystone Industries, Inc.. Active years: 1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Marlin E Clark. Retrieved from https://idiyas.com/inventor/marlin-e-clark-1df21w6x

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 = 1.0

ph-index = 1

Forward Citations = 10(Granted Patents)


Company Filing History:


Years Active: 1997

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1 patent (USPTO):Explore Patents

Title: Marlin E Clark: Innovator in Railcar Technology

Introduction

Marlin E Clark is a notable inventor based in Dover, Pennsylvania. He has made significant contributions to the field of railcar technology, particularly with his innovative designs that enhance safety and efficiency.

Latest Patents

Marlin E Clark holds a patent for a Slackless Drawbar Assembly. This invention is designed to join railcars without slack, which is crucial for preventing derailments. The assembly includes a drawbar with yokes surrounding a cushioning unit and a follower block confined between stops in a conventional sill pocket. The cushioning unit is composed of a front plate, an elongate spacer block, and a compressed stack of elastomer pads. This design eliminates the need for tightening wedges and shims, while the compressed pad stock maintains a preload of about 50,000 pounds to prevent binding and ensure safety.

Career Highlights

Marlin E Clark is associated with Keystone Industries, Inc., where he applies his expertise in railcar technology. His work focuses on developing solutions that improve the performance and safety of rail systems.

Conclusion

Marlin E Clark's contributions to railcar technology through his innovative Slackless Drawbar Assembly exemplify his commitment to enhancing safety in the transportation industry. His work continues to influence the field and demonstrates the importance of innovation in engineering.

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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