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Patentes

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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US530022029 Jun 19925 Abr 1994Henry Filters, Inc.Trough system for machine tool coolant collection flumes
US542398615 Nov 199313 Jun 1995Hans Huber GmbH & Co. KGApparatus for the removal of clarified waste water from circular tanks
US55364207 Jun 199516 Jul 1996Vertical drainage drying bed for waste sludge and an intensified method of treating wastewater
US562890313 Jun 199513 May 1997Hans Huber GmbH & Co. KGApparatus for the removal of clarified waste water from circular tanks
US566281211 Jun 19962 Sep 1997Henry Filters, Inc.Trough system for machine tool coolant collection flumes
US656933813 Jun 200027 May 2003Integrated vertical wastewater treatment vessel and method
US71087839 Dic 200419 Sep 2006Plastics Designs, Inc.Drain inlet
US747337317 Sep 20076 Ene 2009Stormwater pollution management apparatus and method of using same

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