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Rotomaster Inc.

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Records under this name other than patents Rotomaster Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

Showing 1 to 7 of 7 · Back to Rotomaster Inc.

PatentTitleStatus Expires Confidence
US 4,027,994Partially divided turbine housing for turbochargers and the like
Term ended
Term ended no later than Jun 7, 1997 · Low confidence
Term endedTerm ended no later than Jun 7, 1997Low confidence
US 4,474,484Semi-floating bearing
Term ended
Term ended no later than Oct 2, 2004 · Low confidence
Term endedTerm ended no later than Oct 2, 2004Low confidence
US 4,504,187Turbocharger method of operation and turbine housing therefor
Term ended
Term ended no later than Mar 12, 2005 · Low confidence
Term endedTerm ended no later than Mar 12, 2005Low confidence
US 4,530,640Method and apparatus for wastegating turbocharged engine with divided exhaust system
Term ended
Term ended no later than Jul 23, 2005 · Low confidence
Term endedTerm ended no later than Jul 23, 2005Low confidence
US 4,704,075Turbocharger water-cooled bearing housing
Term ended
Term ended no later than Nov 3, 2007 · Low confidence
Term endedTerm ended no later than Nov 3, 2007Low confidence
US 4,815,184Method of fabricating a turbocharger water-cooled bearing housing
Term ended
Term ended no later than Mar 28, 2009 · Low confidence
Term endedTerm ended no later than Mar 28, 2009Low confidence
US D259,507Tubocharger by-pass valve
Term ended
Term ended
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