The Connor Winfield Corporation

Calculating rank

USPTO Granted Patents = 2

% Expired Patents = 50.0

Trademarks = 1

Forward Citations = 27

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3 inventors (with patents filed for the assignee):

Matthew J Klueppel (2 out of 2 patents)

David J Kenny (2 out of 2 patents)

Kenneth D Hartman (2 out of 9 patents)

2 patents: Sort by Forward Citations

1. 6359476 - Frequency correction circuit for a periodic source such as a crystal oscillator (2002-03-19),

2. 6249155 - Frequency correction circuit for a periodic source such as a crystal oscillator (2001-06-19),

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USPTO Data Jan 1 1976 - Nov 10 2026

2 Patents

#53 in Aurora, IL

#4,397 in Illinois

#95,080 in US

Aurora, IL, United States of America

The Connor Winfield Corporation

Forward Citations = 27

3 inventors:

Matthew J Klueppel (2 out of 2 patents)

David J Kenny (2 out of 2 patents)

Kenneth D Hartman (2 out of 9 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: The Connor Winfield Corporation. Retrieved from https://idiyas.com/company/connor-winfield

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]