Livernois Engineering Co.

Calculating rank

USPTO Granted Patents = 1

% Expired Patents = 100.0

Forward Citations = 14

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2 inventors (with patents filed for the assignee):

Richard P Stoynoff, Jr (1 out of 7 patents)

Larry P Prater (1 out of 4 patents)

1 patent: Sort by Forward Citations

1. 6470570 - Method for making a tube for a heat exchanger having a fin insert with transverse convolutions (2002-10-29),

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USPTO Data Jan 1 1976 - Oct 27 2026

1 Patents

#61 in Dearborn, MI

#4,593 in Michigan

#136,966 in US

Dearborn, MI, United States of America

Livernois Engineering Co.

Forward Citations = 14

2 inventors:

Richard P Stoynoff, Jr (1 out of 7 patents)

Larry P Prater (1 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Livernois Engineering Co.. Retrieved from https://idiyas.com/company/livernois-engineering-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]