The Patent Finder

Clean Train Propulsion

Also on record
Records under this name other than the patents Clean Train Propulsion holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned. None of them is counted in the 5 patents it holds.

Showing 1 to 3 of 3 · Back to Clean Train Propulsion

PatentTitleStatus Expires Confidence
US 9,751,540Hybrid systems for locomotives
Lapsed on the fee record
Ended Sep 5, 2025 · From the USPTO record
Lapsed on the fee recordEnded Sep 5, 2025From the USPTO record
US 9,835,066Efficiency and emissions improvements for natural gas conversions of EMD 2-cycle medium speed engines
Lapsed on the fee record
Ended Dec 5, 2021 · From the USPTO record
Lapsed on the fee recordEnded Dec 5, 2021From the USPTO record
US 9,097,162Locomotive and transit system efficiency and emissions improvements
Lapsed on the fee record
Ended Aug 4, 2019 · From the USPTO record
Lapsed on the fee recordEnded Aug 4, 2019From the USPTO record
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