% Expired Patents = 40.0

Trademarks = 5

Forward Citations = 42

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3 inventors (with patents filed for the assignee):

Robert Seider (4 out of 4 patents)

Angelo R Angelone (4 out of 4 patents)

Raymond Ashton Cutler (1 out of 20 patents)

5 patents: Sort by Forward Citations

1. 12187954 - SiC-filled polymers with high electrical resistivity and high thermal conductivity (2025-01-07),

2. 8920527 - High performance ceramic abrasive grits of uniform thickness and methods of producing and using the same (2014-12-30),

3. 8795400 - Method for abrading a product using very low packing density ceramic abrasive grits (2014-08-05),

4. 8685125 - Method for producing very low packing density ceramic abrasive grits (2014-04-01),

5. 8481438 - Very low packing density ceramic abrasive grits and methods of producing and using the same (2013-07-09),

Company Overview

Washington Mills Management, Inc. is a global manufacturer of high performance materials such as silicon carbide, fused minerals, and other specialty materials. With over 150 years of experience, they serve various industries including aerospace, automotive, and electronics. Their innovative solutions and dedication to quality make them a trusted partner in the materials industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

5 Patents

#2 in North Grafton, MA

#2,894 in Massachusetts

#51,620 in US

North Grafton, MA, United States of America

Washington Mills Management, Inc.

Forward Citations = 42

3 inventors:

Robert Seider (4 out of 4 patents)

Angelo R Angelone (4 out of 4 patents)

Raymond Ashton Cutler (1 out of 20 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Washington Mills Management, Inc.. Retrieved from https://idiyas.com/company/washington-mills-management

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]