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For the Inventor, By the Inventor

Colorado Springs, CO, United States of America

Cliff W Allen, Jr

This inventor holds 1 USPTO granted patent. Top assignee: Schlage Lock Company LLC. Active years: 1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Cliff W Allen, Jr. Retrieved from https://idiyas.com/inventor/cliff-w-allen-jr

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

USPTO Granted Patents = 1

% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 1

Forward Citations = 15(Granted Patents)


Company Filing History:

goldMedal1 out of 943 
 
Schlage Lock Company LLC
 patents

Years Active: 1999

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1 patent (USPTO):Explore Patents
1. 5947537 - Spring biased handle catch (1999-09-07),

Title: The Innovative Mind of Cliff W Allen, Jr.

Introduction

Cliff W Allen, Jr. is a notable inventor based in Colorado Springs, CO. He has made significant contributions to the field of locking mechanisms, particularly with his innovative designs that enhance security and functionality. His work is recognized for its practicality and effectiveness in everyday applications.

Latest Patents

Cliff W Allen, Jr. holds a patent for a spring biased handle catch. This invention is designed to secure a knob or lever to the driving spindle of a door lock. The knob catch features a base with a uniquely shaped hole that prevents the knob or lever from being removed when the locking device is engaged. The design includes a tongue portion that fits into the knob or lever, ensuring it remains securely attached. The angular surface on the tongue allows for smooth operation, enabling the knob or lever to slide over the catch until it aligns with the aperture, where it is then secured by a spring mechanism. This innovative design incorporates two springs that bias the tongue into engagement with the knob or lever aperture, enhancing the overall security of the locking system.

Career Highlights

Cliff W Allen, Jr. is associated with Schlage Lock Company LLC, a leading manufacturer in the locking industry. His work at Schlage has allowed him to develop and refine his inventions, contributing to the company's reputation for quality and innovation in security solutions.

Collaborations

Throughout his career, Cliff has collaborated with talented individuals such as Helmut R Aigner and Frederick M Hensley. These collaborations have fostered an environment of creativity and innovation, leading to advancements in locking technology.

Conclusion

Cliff W Allen, Jr. exemplifies the spirit of innovation in the field of security mechanisms. His contributions, particularly the spring biased handle catch, demonstrate his commitment to enhancing safety and functionality in everyday products. His work continues to influence the industry and inspire future inventors.

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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