Forward Citations = 15

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2 inventors (with patents filed for the assignee):

Robert Dejaiffe (2 out of 3 patents)

Edward L Kells (2 out of 3 patents)

2 patents: Sort by Forward Citations

1. 4328019 - Melting system and process for use in the production of high temperature (1982-05-04),

2. 4320244 - Melting furnace for the production of mineral wool insulation (1982-03-16),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

2 Patents

#53 in Aurora, IL

#4,391 in Illinois

#94,905 in US

Aurora, IL, United States of America

Forty-Eight Insulations, Inc.

Forward Citations = 15

2 inventors:

Robert Dejaiffe (2 out of 3 patents)

Edward L Kells (2 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Forty-Eight Insulations, Inc.. Retrieved from https://idiyas.com/company/forty-eight-insulations

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]