Trademarks = 3

Forward Citations = 254

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5 inventors (with patents filed for the assignee):

Edward C Brainard, Ii (4 out of 13 patents)

William B Kerfoot (1 out of 56 patents)

David M Brainard (1 out of 1 patent)

4. Foster H Middleton (1 out of 3 patents)

5. Lester R LeBlanc (1 out of 3 patents)

5 patents: Sort by Forward Citations

1. 4297685 - Apparatus and method for sleep detection (1981-10-27),

2. 4220044 - Wave measuring buoy (1980-09-02),

3. 4158306 - Wave direction measurement and recording (1979-06-19),

4. 4112741 - Scanning apparatus for septic effluents (1978-09-12),

5. 4002175 - Method and apparatus for cortical thermal therapy (1977-01-11),

Company Overview

Environmental Devices Corporation is a leading provider of innovative environmental monitoring solutions. With a focus on sustainability and cutting-edge technology, we offer a wide range of products and services designed to help organizations monitor and manage their environmental impact. Our team of experts is dedicated to creating solutions that are both effective and environmentally friendly, making us a trusted partner for companies looking to stay ahead of regulatory requirements and industry standards.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

5 Patents

#2 in Marion, MA

#2,892 in Massachusetts

#51,570 in US

Marion, MA, United States of America

Environmental Devices Corporation

Forward Citations = 254

5 inventors:

Edward C Brainard, Ii (4 out of 13 patents)

William B Kerfoot (1 out of 56 patents)

David M Brainard (1 out of 1 patent)

4. Foster H Middleton (1 out of 3 patents)

5. Lester R LeBlanc (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Environmental Devices Corporation. Retrieved from https://idiyas.com/company/environmental-devices

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]