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Patentes

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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US407144211 Ago 197531 Ene 1978Occidental Petroleum CorporationMethod and apparatus for recovery of aluminum from solid waste
US41027809 Mar 197625 Jul 1978S. G. Frantz Company, Inc.Method and apparatus for magnetic separation of particles in a fluid carrier
US42357103 Jul 197825 Nov 1980S. G. Frantz Company, Inc.Methods and apparatus for separating particles using a magnetic barrier
US42396197 May 197916 Dic 1980Union Carbide CorporationProcess and apparatus for separating magnetic particles within an ore
US43514834 Jun 198028 Sep 1982Cia Minera Rio Colorado, S.A.Separation of arsenic from fluorite ore, by means of magnetic separation and flotation of the pyrites to which it is associated
US45068357 Jun 198226 Mar 1985Occidental Research Corp.Oil shale beneficiation
US474336416 Mar 198410 May 1988Magnetic separation of electrically conducting particles from non-conducting material
US487450819 Ene 198817 Oct 1989Magnetics North, Inc.Magnetic separator
US504954017 May 198917 Sep 1991Idaho Research FoundationMethod and means for separating and classifying superconductive particles
US672250312 Mar 200220 Abr 2004Sedgman, LLCIntegrally formed separator/screen feedbox assembly
US743593312 Ene 200714 Oct 2008Enhanced sample processing devices, systems and methods
US80039265 Sep 200823 Ago 20113M Innovative Properties CompanyEnhanced sample processing devices, systems and methods
US812889321 Dic 20076 Mar 20123M Innovative Properties CompanyThermal transfer methods and structures for microfluidic systems

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