Forward Citations = 58

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4 inventors (with patents filed for the assignee):

Franklin R Smith (2 out of 47 patents)

Roger P Butterfield (1 out of 31 patents)

Peter D Hoffmann (1 out of 1 patent)

4. David M Groh (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 4869708 - Sprocket retention/chain guide assembly (1989-09-26),

2. 4862845 - Variable camshaft timing system (1989-09-05),

3. 4821857 - Stamped roller clutch cage with integral snap ring (1989-04-18),

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

3 Patents

#47 in Ithaca, NY

#4,510 in New York

#73,815 in US

Ithaca, NY, United States of America

Borg-Warner Transmission and Engine Components Corporation

Forward Citations = 58

4 inventors:

Franklin R Smith (2 out of 47 patents)

Roger P Butterfield (1 out of 31 patents)

Peter D Hoffmann (1 out of 1 patent)

4. David M Groh (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Borg-Warner Transmission and Engine Components Corporation. Retrieved from https://idiyas.com/company/borg-warner-transmission-and-engine-components

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]