Lenexa, KS, United States of America

Leon J Shaneyfelt

This inventor holds 1 USPTO granted patent. Top assignee: The Vendo Company. Active years: 1976.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Leon J Shaneyfelt. Retrieved from https://idiyas.com/inventor/leon-j-shaneyfelt

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 = 2.0

ph-index = 1

Forward Citations = 7(Granted Patents)


Company Filing History:


Years Active: 1976

Loading Chart...
1 patent (USPTO):Explore Patents

Title: Leon J. Shaneyfelt: Innovator in Coin Testing Technology

Introduction

Leon J. Shaneyfelt is an accomplished inventor based in Lenexa, Kansas, known for his innovative contributions to the field of electronic testing apparatus. His work primarily focuses on developing methods for accurately testing coins and similar objects, ensuring their authenticity and denomination.

Latest Patents

Shaneyfelt holds a patent for an "Electronic apparatus for testing moving coins employing successive time." This invention presents an improved method and apparatus capable of determining both the type or denomination and the genuineness of coins, metallic credit tokens, and similar objects. The technology utilizes the effect on the electrical impedance of a sensing component when an object is in proximity. It employs a novel testing technique that determines whether a direct current voltage output from the circuit has risen to a predetermined voltage level within a specific time frame. This method avoids reliance on direct object comparisons and complex measurements, making it both efficient and cost-effective.

Career Highlights

Leon J. Shaneyfelt has made significant strides in his career, particularly through his work at The Vendo Company. His innovative approach to coin testing has set new standards in the industry, showcasing his ability to blend technology with practical applications. His patent reflects a deep understanding of electronic principles and their application in real-world scenarios.

Collaborations

Shaneyfelt has collaborated with James F. Ptacek, contributing to the development and refinement of his testing apparatus. Their partnership has fostered advancements in the technology, enhancing its reliability and effectiveness.

Conclusion

Leon J. Shaneyfelt's contributions to electronic testing technology have made a lasting impact on the industry. His innovative methods for testing coins demonstrate his expertise and commitment to advancing technology in practical applications.

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]
Loading…