Peoria, IL, United States of America

Donald F Walker

This inventor holds 1 USPTO granted patent. Top assignee: Caterpillar Tractor Co.. Active years: 1976.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Donald F Walker. Retrieved from https://idiyas.com/inventor/donald-f-walker-ndn9c4d9

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 = 4(Granted Patents)


Company Filing History:


Years Active: 1976

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1 patent (USPTO):Explore Patents

Title: The Innovative Contributions of Donald F Walker

Introduction

Donald F Walker is a notable inventor based in Peoria, IL (US). He has made significant contributions to the field of rotary mechanisms, particularly through his innovative patent. His work exemplifies the intersection of engineering and practical application, showcasing how inventions can enhance existing technologies.

Latest Patents

Donald F Walker holds a patent for a "Unitized seal biasing spring assembly for rotary mechanisms." This invention is designed for use in rotary engines, featuring a long-lived, unitized seal biasing spring assembly. The assembly is utilized within an operating chamber that houses a rotor. The design includes a seal retaining groove in the rotor, allowing the seal to engage with the chamber effectively. The unitized, multi-leaf spring assembly not only facilitates assembly but also significantly reduces spring stress, thereby prolonging the useful life of the mechanism. This innovative approach addresses common challenges in rotary engine design.

Career Highlights

Walker is associated with Caterpillar Tractor Co., a leading company in the manufacturing of heavy machinery and equipment. His role at Caterpillar has allowed him to apply his inventive skills in a practical setting, contributing to the company's reputation for innovation and quality.

Collaborations

Throughout his career, Donald F Walker has collaborated with notable colleagues, including Roger O Bjerk and Harold C Powers. These partnerships have likely fostered an environment of creativity and shared expertise, enhancing the development of innovative solutions within the industry.

Conclusion

Donald F Walker's contributions to rotary mechanisms through his patent demonstrate the importance of innovation in engineering. His work not only improves the functionality of rotary engines but also exemplifies the spirit of invention that drives technological advancement.

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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