The Patent Finder

ZTR Control Systems

Also on record
Records under this name other than the patents ZTR Control Systems 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 2 patents it holds.

Showing 1 to 8 of 8 · Back to ZTR Control Systems

PatentTitleStatus Expires Confidence
US 8,538,610System and method for determining whether a locomotive in a consist is in leading mode or trailing mode
Formerly held
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,346,414System and method for determining whether a locomotive in a consist is in leading mode or trailing mode
Formerly held
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,460,051Method for utilization calculation on equipment including independent component
Formerly held
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,850,990Method and apparatus for controlling and enhancing tractive effort in DC traction motors on locomotives
Lapsed on the fee record
Ended Oct 7, 2022 · From the USPTO record
Lapsed on the fee recordEnded Oct 7, 2022From the USPTO record
US 6,691,668Prevention of nuisance activation of locomotive low engine lube oil protection mechanism
Term ended
Term ended May 23, 2022 · From the USPTO record
Term endedTerm ended May 23, 2022From the USPTO record
US 7,680,566System and method for controlling horsepower in a locomotive consist
Lapsed on the fee record
Ended Mar 16, 2022 · From the USPTO record
Lapsed on the fee recordEnded Mar 16, 2022From the USPTO record
US 7,339,283Electronic load regulator
Lapsed on the fee record
Ended Mar 4, 2020 · From the USPTO record
Lapsed on the fee recordEnded Mar 4, 2020From the USPTO record
US 5,265,567EMD locomotive engine protective devices override for use during autostart procedure
Term ended
Term ended no later than Nov 30, 2013 · Low confidence
Term endedTerm ended no later than Nov 30, 2013Low confidence
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