McDermott Engineers & Constructors (Canada) Ltd.

Also on record

Records under this name other than patents McDermott Engineers & Constructors (Canada) Ltd. 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 McDermott Engineers & Constructors (Canada) Ltd.

Patent	Title	Status	Expires	Confidence
US 4,661,242	Diluent distillation process and apparatus Term ended Term ended no later than Apr 28, 2007 · Low confidence	Term ended	Term ended no later than Apr 28, 2007	Low confidence
US 4,842,016	Switching valve Term ended Term ended no later than Jun 27, 2009 · Low confidence	Term ended	Term ended no later than Jun 27, 2009	Low confidence
US 4,882,041	Diluent substitution process Term ended Term ended no later than Nov 21, 2009 · Low confidence	Term ended	Term ended no later than Nov 21, 2009	Low confidence
US 4,994,149	Diluent substitution apparatus Term ended Term ended no later than Feb 19, 2011 · Low confidence	Term ended	Term ended no later than Feb 19, 2011	Low confidence
US 5,047,216	Apparatus for recovering elemental sulphur Term ended Term ended no later than Sep 10, 2011 · Low confidence	Term ended	Term ended no later than Sep 10, 2011	Low confidence
US 5,685,170	Propane recovery process Formerly held Term ended Term ended no later than Nov 11, 2017 · Low confidence	Term ended	Term ended no later than Nov 11, 2017	Low confidence
US 5,953,935	Ethane recovery process Term ended Term ended no later than Sep 21, 2019 · Low confidence	Term ended	Term ended no later than Sep 21, 2019	Low confidence