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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US40351652 Oct 197412 Jul 1977Wahlco, Inc.Rapper monitor
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US43548605 Dic 198019 Oct 1982Siemens AktiengesellschaftMethod for determining the filter current limit of an electrostatic filter
US44320616 May 198114 Feb 1984Metallgesellschaft Aktiengesellschaft
Siemens Aktiengesellschaft
System for controlling the voltage of an electrofilter
US443206219 Ene 198114 Feb 1984Siemens AktiengesellschaftMethod for optimizing the knock frequency of an electrofilter system
US45212289 Jul 19844 Jun 1985Siemens Aktiengesellschaft
Metallgesellschaft Aktiengesellschaft
Control device for an electrostatic precipitator
US460542428 Jun 198412 Ago 1986Method and apparatus for controlling power to an electronic precipitator
US46740033 Abr 198516 Jun 1987J. Wagner AGElectronic high-voltage generator for electrostatic sprayer devices
US468003611 Jul 198614 Jul 1987Metallgesellschaft AktiengesellschaftMethod of automatically controlling an electrostatic precipitator
US474633111 Jun 198624 May 1988Detecting, measuring and applying back corona parameters on an electrostatic precipitator
US47706746 Ago 198413 Sep 1988Foster Wheeler Energy CorporationGas conditioning for an electrostatic precipitator
US496184523 Dic 19889 Oct 1990Diajet, Inc.Apparatus and method for filtering particulate matter from dielectric fluids
US499647128 Feb 199026 Feb 1991Controller for an electrostatic precipitator
US519603824 Jul 199223 Mar 1993Flue gas conditioning system
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US52883037 Abr 199222 Feb 1994Wilhelm Environmental Technologies, Inc.Flue gas conditioning system
US528830914 May 199222 Feb 1994Wilhelm Environmental Technologies, Inc.Flue gas conditioning agent demand control apparatus
US535044122 Mar 199327 Sep 1994Wilhelm Environmental Technologies, Inc.Flue gas conditioning system
US535659730 Jul 199218 Oct 1994Wilhelm Environmental Technologies, Inc.In-duct flue gas conditioning system
US537072023 Jul 19936 Dic 1994Welhelm Environmental Technologies, Inc.Flue gas conditioning system
US53789782 Abr 19933 Ene 1995Belco Technologies Corp.System for controlling an electrostatic precipitator using digital signal processing
US554749513 May 199420 Ago 1996Wilhelm Environmental Technologies, Inc.Flue gas conditioning system
US580254224 Mar 19951 Sep 1998Hewlett-Packard LaboratoriesInformation management system for a dynamic system and method thereof
US65408126 Jul 20011 Abr 2003BHA Group Holdings, Inc.Method and system for improved rapper control
US773641821 Jul 200515 Jun 2010Siemens AktiengesellschaftControl device and control method for an electrostatic filter with a configurable number of parallel and serial filter zones
US794711031 Jul 200824 May 2011General Electric CompanyMethods for operating a filtration system