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Patentes

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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US402948230 Jun 197514 Jun 1977Battelle Memorial InstituteElectrostatic removal of airborne particulates employing fiber beds
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US54567413 Jun 199310 Oct 1995Nippondenso Co., Ltd.
Nippon Soken Inc.
Air purifier
US554076121 Nov 199430 Jul 1996Filter for particulate materials in gaseous fluids
US564789025 Jul 199615 Jul 1997Filter apparatus with induced voltage electrode and method
US636839123 Ago 20009 Abr 2002Healthway Products Company, Inc.Electronically enhanced media air filtration system
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US654431721 Mar 20018 Abr 2003Energy & Environmental Research Center FoundationAdvanced hybrid particulate collector and method of operation
US72587294 Ago 200521 Ago 2007Air Ion Devices Inc.Electronic bi-polar electrostatic air cleaner
US77088033 Nov 20064 May 2010Electric Power Research Institute, Inc.Method and apparatus for the enhanced removal of aerosols from a gas stream
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US80296003 Nov 20064 Oct 2011Electric Power Research Institute, Inc.Sorbent filter for the removal of vapor phase contaminants
US824139822 Abr 201014 Ago 2012Electric Power Research Institute, Inc.Method and apparatus for the enhanced removal of aerosols and vapor phase contaminants from a gas stream