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For the Inventor, By the Inventor

Lancaster, KY, United States of America

Walter R Evans

USPTO Granted Patents = 11

Average Co-Inventor Count = 1.6

ph-index = 7

Forward Citations = 198(Granted Patents)


Location History:

  • Danville, KY (US) (1987)
  • Lancaster, KY (US) (1980 - 1990)

Company Filing History:

goldMedal11 out of 62 
 
Sargent & Greenleaf, Inc.
 patents

Years Active: 1980-1990

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11 patents (USPTO):Explore Patents
1. 4961330 - High security panic exit system (1990-10-09),
2. 4875351 - Electronic time lock (1989-10-24),
3. 4776187 - Changeable key cylinder exposed shackle padlock (1988-10-11),
4. 4763496 - High security changeable key cylinder type shackle padlock (1988-08-16),
5. 4651546 - High security rotary disc, pin tumbler type cylinder lock (1987-03-24),
6. 4643010 - Two movement time lock (1987-02-17),
7. 4580424 - Single lever, double changeable safe deposit lock (1986-04-08),
8. 4462230 - Changeable safe deposit lock with slidable clamped fences (1984-07-31),
9. 4404823 - View limiting dial and ring structure for combination locks and the like (1983-09-20),
10. 4359886 - Key lock cylinder for possibly contaminated environments (1982-11-23),
11. 4241594 - Slide cover type changeable key plug padlock (1980-12-30),

Title: The Innovative Mind of Walter R. Evans

Introduction

Walter R. Evans, an accomplished inventor based in Lancaster, KY, has an impressive portfolio of 11 patents to his name. Known for his ingenuity and dedication to enhancing security systems, Evans has significantly impacted the field with his inventive spirit and technical expertise.

Latest Patents

Among his latest creations is the groundbreaking patent for a **High Security Panic Exit System**. This innovative assembly features a panic exit device on the inner side of a door combined with a high-security combination lock on the outer side. The design allows for a quick exit from a secure area by concurrently retracting both systems, ensuring safety without compromising accessibility. Another notable invention is the **Electronic Time Lock**, which is engineered for bank vault doors. This advanced lock utilizes electric motors and a solid-state display to provide secure access while offering programmable features for enhanced security.

Career Highlights

Walter R. Evans has made significant strides in his career at Sargent & Greenleaf, Inc., a company known for its focus on lock technology and security solutions. His impressive contributions have positioned him as a key innovator in the industry, demonstrating his commitment to safety and reliability in security systems.

Collaborations

During his career, Evans has collaborated with talented individuals such as Gregory C. Lainhart and Harry C. Miller. These collaborations have further enriched his innovative projects, blending unique ideas and expertise to create cutting-edge solutions.

Conclusion

Walter R. Evans exemplifies the spirit of innovation through his numerous patents and collaborative efforts in the security field. His inventions, especially the High Security Panic Exit System and Electronic Time Lock, highlight a commitment to advancing technology and protecting valuable assets. As he continues to innovate and inspire, the impact of his work will undoubtedly have lasting effects on security practices.

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