Forward Citations = 101

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4 inventors (with patents filed for the assignee):

Aleck Block (4 out of 12 patents)

Hiroshi Hasegawa (4 out of 4 patents)

Grahame W Emerson (3 out of 3 patents)

4. Arthur F Carlson (1 out of 1 patent)

8 patents: Sort by Forward Citations

1. 5871399 - Flap wheel (1999-02-16),

2. 5722881 - Flap wheel (1998-03-03),

3. 4439953 - Abrasive disc holder (1984-04-03),

4. 4439907 - Method of making an abrasive disc (1984-04-03),

5. 4285171 - Abrasive flap drum (1981-08-25),

6. 4217737 - Abrasive flap drum (1980-08-19),

7. 4090333 - Flexible grinding wheel (1978-05-23),

8. 4080714 - Flexible polishing drum segment and method of making and mounting same (1978-03-28),

Company Overview

Merit Abrasive Products, Inc. is a leading manufacturer of high-quality abrasive products for a wide range of industries. With a focus on delivering reliable and innovative solutions, Merit offers a comprehensive line of abrasive discs, belts, and specialty products that are designed to meet the needs of professionals. The company is known for its commitment to quality, performance, and customer satisfaction.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

8 Patents

#15 in Compton, CA

#8,540 in California

#35,924 in US

Compton, CA, United States of America

Merit Abrasive Products, Inc.

Forward Citations = 101

4 inventors:

Aleck Block (4 out of 12 patents)

Hiroshi Hasegawa (4 out of 4 patents)

Grahame W Emerson (3 out of 3 patents)

4. Arthur F Carlson (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Merit Abrasive Products, Inc.. Retrieved from https://idiyas.com/company/merit-abrasive-products

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]