Company Badge
USPTO Data Jan 1 1976 - Oct 27 2026
4 Patents
#19 in Mequon, WI
#1,259 in Wisconsin
#60,701 in US
Charter Manufacturing Co., Inc.
Forward Citations = 14
5 inventors:
Mequon, WI, United States of America
Charter Manufacturing Co., Inc.
Calculating rank
% Expired Patents = 25.0
Trademarks = 2
Forward Citations = 14
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5 inventors (with patents filed for the assignee):
James R Edgar (2 out of 8 patents)
Myron G Rhodes (2 out of 2 patents)
Daniel R Szortyka (1 out of 1 patent)
4. William V Howard (1 out of 1 patent)
5. John M Gardner (1 out of 1 patent)
4 patents:
Company Overview
Charter Manufacturing Co., Inc. is a leading steel and iron production company located in the United States. With over 80 years of experience, they specialize in the manufacture of a wide range of high-quality products, including steel bars, rods, and castings. Charter Manufacturing is committed to providing innovative solutions and exceptional customer service to industries worldwide.
Profile summary synthesized from public USPTO records and patent filings.
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Charter Manufacturing Co., Inc.. Retrieved from https://idiyas.com/company/charter-manufacturing-company
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]
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]
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]