Forward Citations = 139

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2 inventors (with patents filed for the assignee):

Phil B Sheffer (3 out of 13 patents)

Jack D Grollman (1 out of 3 patents)

4 patents: Sort by Forward Citations

1. 5839650 - Stackable container (1998-11-24),

2. 5524815 - Plural-compartment display carton with locking bottom and center support (1996-06-11),

3. 5413276 - Plural-component one-piece shipping and retail display carton (1995-05-09),

4. 4899929 - Self-erecting container with removable section (1990-02-13),

Company Overview

Triangle Container Corporation is a leading manufacturer of high-quality packaging solutions for various industries. With over 50 years of experience, we specialize in custom corrugated boxes, displays, and packaging supplies. Our innovative and sustainable packaging solutions are designed to meet the unique needs of each client. Visit our website to learn more about our products and services.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

4 Patents

#193 in Philadelphia, PA

#2,213 in Pennsylvania

#60,641 in US

Philadelphia, PA, United States of America

Triangle Container Corporation

Forward Citations = 139

2 inventors:

Phil B Sheffer (3 out of 13 patents)

Jack D Grollman (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Triangle Container Corporation. Retrieved from https://idiyas.com/company/triangle-container

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]