Forward Citations = 32

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3 inventors (with patents filed for the assignee):

Leonard Messer (4 out of 6 patents)

C Edward Capes (1 out of 10 patents)

Allen E McIlhinney (1 out of 2 patents)

4 patents: Sort by Forward Citations

1. 4477353 - Method of reclaiming water and coal from coal treatment underflow by (1984-10-16),

2. 4268417 - Method of making activated carbon (1981-05-19),

3. 4178243 - Method and apparatus for controlled dewaterizing of coal treatment (1979-12-11),

4. 4082515 - Coke oven system and agglomerating carryover fines therein (1978-04-04),

Company Overview

American Minechem Corporation is a leading mining company specializing in extraction and processing of minerals and ores. With over 50 years of experience, we have established ourselves as a trusted provider of high-quality raw materials for various industries. Our commitment to sustainability and ethical practices sets us apart in the industry, ensuring responsible sourcing and production methods.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

4 Patents

#7 in Coraopolis, PA

#2,213 in Pennsylvania

#60,641 in US

Coraopolis, PA, United States of America

American Minechem Corporation

Forward Citations = 32

3 inventors:

Leonard Messer (4 out of 6 patents)

C Edward Capes (1 out of 10 patents)

Allen E McIlhinney (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: American Minechem Corporation. Retrieved from https://idiyas.com/company/american-minechem

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]