Trademarks = 1

Forward Citations = 63

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5 inventors (with patents filed for the assignee):

Charles J Clark (2 out of 5 patents)

Edward M Bennett (2 out of 2 patents)

Ian S Sanderson (1 out of 3 patents)

4. John C Hardy (1 out of 3 patents)

5. Constance Hendrickson (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 4836939 - Stable expandable foam & concentrate & method (1989-06-06),

2. 4589341 - Method for explosive blast control using expanded foam (1986-05-20),

3. 4541947 - Method for crowd and riot control (1985-09-17),

4. 3934604 - Proportioning apparatus (1976-01-27),

Company Overview

Rockwood Systems Corporation is a leading provider of technology solutions for businesses of all sizes. With over 20 years of experience in the industry, we specialize in delivering innovative software and hardware products to help our clients streamline their operations and increase efficiency. Our team of experts is dedicated to providing top-notch customer service and support to ensure our clients achieve their goals. Visit our website to learn more about our services and how we can help your business thrive.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

4 Patents

#4 in South Portland, ME

#101 in Maine

#60,597 in US

South Portland, ME, United States of America

Rockwood Systems Corporation

Forward Citations = 63

5 inventors:

Charles J Clark (2 out of 5 patents)

Edward M Bennett (2 out of 2 patents)

Ian S Sanderson (1 out of 3 patents)

4. John C Hardy (1 out of 3 patents)

5. Constance Hendrickson (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Rockwood Systems Corporation. Retrieved from https://idiyas.com/company/rockwood-systems

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

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