LaGrange, NC, United States of America

David Allen Letchworth

This inventor holds 4 USPTO granted patents and 1 published patent application. Top assignee: Crown Equipment Corporation. Active years: 2005-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David Allen Letchworth. Retrieved from https://idiyas.com/inventor/david-allen-letchworth

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

USPTO Granted Patents = 4 

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 1

Forward Citations = 13(Granted Patents)


Company Filing History:


Years Active: 2005-2025

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4 patents (USPTO):Explore Patents

Title: Innovator Spotlight: David Allen Letchworth

Introduction: David Allen Letchworth, an accomplished inventor based in LaGrange, North Carolina, is known for his remarkable contributions to the field of engineering. With a total of three patents to his name, Letchworth's innovations have made significant strides in component alignment technology, particularly in welding applications.

Latest Patents: Among his latest inventions is the "Alignment Spacer Assemblies for Welding and Methods for Using Same." This innovative spacer assembly is designed to accurately fix a first component to a second component, enhancing precision in welding. The assembly includes first and second spacer segments, each featuring an inner face, an outer face, and an exterior surface that extends along a longitudinal axis. These segments are coaxially aligned and secured with a device, allowing for supplementary non-perpendicular angles, ensuring that the outer faces remain parallel. After mechanically coupling the components, the securing device and spacer segments can be easily removed, simplifying the welding process.

Career Highlights: Letchworth serves at Crown Equipment Corporation, where he applies his expertise in mechanical engineering to develop cutting-edge technologies. His work has significantly impacted the efficiency and effectiveness of welding techniques in manufacturing, ultimately contributing to improved product quality and durability.

Collaborations: Throughout his career, Letchworth has collaborated with notable colleagues, including Jordan Aloys Rammel and Daniel C. Magoto. These partnerships have led to productive exchanges of ideas and innovations, helping to advance their shared goals within the engineering field.

Conclusion: David Allen Letchworth's inventive spirit and technical prowess have positioned him as a noteworthy figure in the realm of engineering and innovation. His dedication to improving welding processes through his patented inventions continues to resonate within the industry, inspiring future advancements in mechanical alignment technologies.

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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