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DQ Squared, Inc.

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

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PatentTitleStatus Expires Confidence
US 4,737,289Process for wastewater treatment
Term ended
Term ended no later than Apr 12, 2008 · Low confidence
Term endedTerm ended no later than Apr 12, 2008Low confidence
US 4,790,940Process for wastewater treatment
Term ended
Term ended no later than Dec 13, 2008 · Low confidence
Term endedTerm ended no later than Dec 13, 2008Low confidence
US 4,846,934Soil and groundwater remediation system
Term ended
Term ended no later than Jul 11, 2009 · Low confidence
Term endedTerm ended no later than Jul 11, 2009Low confidence
US 4,966,654Soil and groundwater remediation system
Term ended
Term ended no later than Oct 30, 2010 · Low confidence
Term endedTerm ended no later than Oct 30, 2010Low confidence
US 5,076,360Priming methods for vacuum extraction wells
Term ended
Term ended no later than Dec 31, 2011 · Low confidence
Term endedTerm ended no later than Dec 31, 2011Low confidence
US 5,122,805Radio acoustic sounding system for remotely determining atmospheric temperature profiles
Term ended
Term ended no later than Jun 16, 2012 · Low confidence
Term endedTerm ended no later than Jun 16, 2012Low confidence
US 5,232,596Bio-slurry reaction system and process for hazardous waste treatment
Term ended
Term ended no later than Aug 3, 2013 · Low confidence
Term endedTerm ended no later than Aug 3, 2013Low confidence
US 5,321,974Method and device for determining rheological properties
Term ended
Term ended no later than Jun 21, 2014 · Low confidence
Term endedTerm ended no later than Jun 21, 2014Low confidence
US 5,357,785Method and device for determining rhenological properties
Term ended
Term ended no later than Oct 25, 2014 · Low confidence
Term endedTerm ended no later than Oct 25, 2014Low confidence
US 5,407,347Apparatus and method for reducing NO.sub.x, CO and hydrocarbon emissions when burning gaseous fuels
Term ended
Term ended no later than Apr 18, 2015 · Low confidence
Term endedTerm ended no later than Apr 18, 2015Low confidence
10 of 17 patents shown.
Pro members see all 17.
Pro members: see all 17 patents
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