Frantz Manufacturing Company

Calculating rank

USPTO Granted Patents = 4

% Expired Patents = 25.0

Trademarks = 7

Forward Citations = 20

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6 inventors (with patents filed for the assignee):

Douglas E Crowder, Jr (2 out of 2 patents)

Timothy J Powell (1 out of 9 patents)

James Clark (1 out of 1 patent)

4. John Gvozdjak (1 out of 1 patent)

5. Jay S Ebersole (1 out of 1 patent)

6. Thomas S Richter (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 12497242 - Spring-loaded bearing assembly (2025-12-16),

2. 10583992 - Stub axles conveyor rollers (2020-03-10),

3. 6814212 - Transport device for use with transport guides in conveyor systems (2004-11-09),

4. 5283995 - Door light frame assembly (1994-02-08),

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USPTO Data Jan 1 1976 - Oct 27 2026

4 Patents

#4 in Sterling, IL

#2,843 in Illinois

#60,704 in US

Sterling, IL, United States of America

Frantz Manufacturing Company

Forward Citations = 20

6 inventors:

Douglas E Crowder, Jr (2 out of 2 patents)

Timothy J Powell (1 out of 9 patents)

James Clark (1 out of 1 patent)

4. John Gvozdjak (1 out of 1 patent)

5. Jay S Ebersole (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Frantz Manufacturing Company. Retrieved from https://idiyas.com/company/frantz-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]