Tucson, AZ, United States of America

David R Ridgway

This inventor holds 2 USPTO granted patents. Top assignee: Other. Active years: 1991-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David R Ridgway. Retrieved from https://idiyas.com/inventor/david-r-ridgway

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 = 1.8

ph-index = 2

Forward Citations = 121(Granted Patents)


Location History:

  • Tucson, AZ (US) (1991)
  • Raleigh, NC (US) (2010)

Company Filing History:

goldMedal2 out of 834,453 
Other
 patents

Years Active: 1991-2010

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2 patents (USPTO):Explore Patents

Title: David R Ridgway: Innovator in Transit Security and Lock Technology

Introduction

David R Ridgway is a notable inventor based in Tucson, AZ, who has made significant contributions to the fields of transit security and lock technology. With a total of two patents to his name, Ridgway's innovations focus on enhancing safety and security in public transportation and residential settings.

Latest Patents

Ridgway's latest patents include the Improved Mobile Digital Video Recorder (IMDVR) system. This ruggedized, multiple camera video and audio recording system is designed for installation within public transit vehicles. It captures, stores, and manages an integrated data stream of information from both inside and outside the vehicle. The IMDVR system aims to improve transit security, liability management, and evidentiary processes.

Another significant invention is the Anti-rotation lock apparatus for inside deadbolt locks. This apparatus prevents the rotation of a deadbolt key or handle by securing it from the inside of a door. It features a base element that fits over the key or lock handle, along with an extension that braces against the doorknob assembly to prevent any unwanted rotation.

Career Highlights

Throughout his career, Ridgway has demonstrated a commitment to innovation and safety. His work on the IMDVR system reflects a deep understanding of the challenges faced by public transit systems. Additionally, his anti-rotation lock apparatus showcases his ability to address common security concerns in residential settings.

Collaborations

Ridgway has collaborated with notable individuals in his field, including William Bradford Silvernail and Jody Snow. These partnerships have likely contributed to the development and refinement of his innovative technologies.

Conclusion

David R Ridgway stands out as an inventor dedicated to enhancing safety and security through his innovative patents. His contributions to transit security and lock technology are noteworthy and reflect his commitment to improving everyday safety for individuals and communities.

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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