% Expired Patents = 75.0

Forward Citations = 24

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2 inventors (with patents filed for the assignee):

Douglas A Johnson (4 out of 12 patents)

Stephen B Boyd (3 out of 4 patents)

4 patents: Sort by Forward Citations

1. 8348731 - Adaptive cooling method for computer rack enclosure (2013-01-08),

2. 6566634 - Induction driven power supply for circuits accompanying portable heated items (2003-05-20),

3. 6547220 - Open loop control with velocity threshold for pneumatic hoist (2003-04-15),

4. 6534753 - Backup power supply charged by induction driven power supply for circuits accompanying portable heated container (2003-03-18),

Company Overview

Wilmington Research and Development Corporation is a leading technology company specializing in innovative research and development solutions. With a focus on creating cutting-edge products and services, the company is committed to driving innovation and growth in various industries. Their team of experienced professionals and state-of-the-art facilities enable them to deliver high-quality results and exceed clients' expectations.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

4 Patents

#11 in Newburyport, MA

#3,313 in Massachusetts

#60,641 in US

Newburyport, MA, United States of America

Wilmington Research and Development Corporation

Forward Citations = 24

2 inventors:

Douglas A Johnson (4 out of 12 patents)

Stephen B Boyd (3 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Wilmington Research and Development Corporation. Retrieved from https://idiyas.com/company/wilmington-research-and-development

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

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]