Calgary, Canada

Donald L Hadden

This inventor holds 2 USPTO granted patents. Top assignees: Baker Protective Services, Incorporated, Borg-Warner Security Corporation. Active years: 1980-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Donald L Hadden. Retrieved from https://idiyas.com/inventor/donald-l-hadden

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 = 3.0

ph-index = 2

Forward Citations = 53(Granted Patents)


Location History:

  • Fountain Valley, CA (US) (1980)
  • Calgary, CA (1995)

Company Filing History:


Years Active: 1980-1995

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2 patents (USPTO):Explore Patents

Title: The Innovations of Donald L Hadden

Introduction

Donald L Hadden is a notable inventor based in Calgary, Canada. He has made significant contributions to the field of alarm systems, holding 2 patents that showcase his innovative approach to security technology. His work has had a lasting impact on the industry, particularly in enhancing the functionality and reliability of alarm systems.

Latest Patents

Hadden's latest patents include an "Alarm System with Remote Module" and a "Central Station Alarm." The alarm system features a controller that communicates with a remote module over a conductive path. This system activates an indicating device, such as an alarm bell or strobe light, when a control signal is received. A rechargeable battery is integrated into the remote module, providing power to the indicating device while being charged by the controller. The design ensures that both the battery and the indicating device are supervised, allowing for any malfunctions to be reported to the controller.

The central station alarm patent involves multiple remotely located transponder units that communicate with a central station unit. This system provides a comprehensive array of alarm and status signals, allowing for direct communication without human intervention. The transponder units can alter system parameters and shunt defective zones, enhancing the overall efficiency and reliability of the alarm system.

Career Highlights

Throughout his career, Hadden has worked with reputable companies such as Borg-Warner Security Corporation and Baker Protective Services, Incorporated. His experience in these organizations has contributed to his expertise in security technology and alarm systems.

Collaborations

Hadden has collaborated with notable individuals in the industry, including Tom W Le Nay and William R Vogt. These partnerships have likely influenced his innovative designs and approaches to alarm systems.

Conclusion

Donald L Hadden's contributions to alarm system technology through his patents reflect his dedication to innovation and security. His work continues to influence the industry, ensuring safer environments for users.

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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