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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US401479411 Mar 197429 Mar 1977E. I. Du Pont de Nemours and CompanyOil filter adapter
US40750971 Abr 197521 Feb 1978Monroe Auto Equipment CompanyOil filter with oil improving dissolving body
US40750987 Nov 197521 Feb 1978Monroe Auto Equipment CompanyMasking elements for dissolving oil improving body in an oil filter
US414416624 Mar 197713 Mar 1979Atlantic Richfield CompanyCompositions, apparatus and methods useful for releasing solid lubricating oil additive
US42657488 May 19805 May 1981Tecnocar S p ALubricant filter for internal combustion engines
US50426177 Sep 198927 Ago 1991Exxon Research & Engineering CompanyMethod of reducing the presence of sludge in lubricating oils
US547846328 Jul 199426 Dic 1995Exxon Chemical Patents Inc.Method of reducing sludge and varnish precursors in lubricating oils
US550794222 Feb 199416 Abr 1996Davco Manufacturing L.L.C.Fuel filter assembly
US552080024 Sep 199428 May 1996Zakrytoye Aktsionernoye Obshchestvo "Troiler-Korporatsiya"Device to provide a tribochemical mode of operation in a lubrication system for a mechanism
US552745229 Jul 199418 Jun 1996Metzhotraslevoe Nauchno-Proizvodstvennoe Obedinenie EkologiyaDevice for providing tribochemical mode of operation in a lubrication system for a mechanism
US559133025 May 19947 Ene 1997T/F Purifiner, Inc.Oil filter containing an oil soluble thermoplastic additive material therein
US575311628 Oct 199619 May 1998Ing. Walter Hengst GmbH & Co.
KG & Mercedes-Benz AG
Coolant filter
US576644930 Nov 199516 Jun 1998Davco Manufacturing L.L.C.Fuel filter assembly
US623855416 Jun 199929 May 2001Fleetguard, Inc.Fuel filter including slow release additive
US650559730 May 200114 Ene 2003Honeywell International Inc.Cleansing oil filter containing quick-release liquid antioxidant/additive solution, and method of using same to convert an engine from petroleum-based oil to botanically-based oil
US682775024 Ago 20017 Dic 2004Dober Chemical Corp
Fleetguard, Inc.
Controlled release additives in fuel systems
US683521824 Ago 200128 Dic 2004Dober Chemical Corp.
FleetGuard, Inc.
Fuel additive compositions
US684106522 Nov 200211 Ene 2005Davco Manufacturing, L.L.C.Fluid filter with pressure relief valve
US684391616 Jul 200218 Ene 2005The Lubrizol CorporationSlow release lubricant additives gel
US685221715 Jun 20018 Feb 2005Filterwerk Mann & Hummel GmbHFilter with an annularly constructed filter medium
US686024124 Ago 20011 Mar 2005Dober Chemical Corp.
Fleetguard, Inc.
Fuel filter including slow release additive
US700153124 Ago 200121 Feb 2006Dober Chemical Corp.
FleetGuard, Inc.
Sustained release coolant additive composition
US71604519 Dic 20059 Ene 2007Donaldson Company, Inc.Liquid filter assembly for use with treatment agent and methods
US72382854 Mar 20053 Jul 2007Donaldson Company, Inc.Liquid filter assembly for use with treatment agent; and, methods
US738489628 Ene 200510 Jun 2008The Lubrizol CorporationControlled release of additive gel(s) for functional fluids
US741701213 Oct 200426 Ago 2008The Lubrizol CorporationSlow release lubricant additives gel
US753474725 Jun 200319 May 2009The Lubrizol CorporationGels that reduce soot and/or emissions from engines
US75815585 Jun 20071 Sep 2009Cummins Filtration IP Inc.
Dober Chemical Corporation
Controlled release of additives in fluid systems
US759127916 Ago 200222 Sep 2009Cummins Filtration IP Inc.
Dober Chemical Corporation
Controlled release of additives in fluid systems
US762541910 Ene 20071 Dic 2009Donaldson Company, Inc.Air filter arrangement; assembly; and, methods
US779974528 May 200821 Sep 2010The Lubrizol CorporationSlow release lubricant additives gel
US785483710 Nov 200821 Dic 2010Davco Technology, LLCFilter cartridge with pressure relief valve
US788363827 May 20088 Feb 2011Dober Chemical CorporationControlled release cooling additive compositions
US793827727 May 200810 May 2011Dober Chemical CorporationControlled release of microbiocides
US80220215 Feb 200720 Sep 2011The Lubrizol CorporationLow ash controlled release gels
US803414510 Jun 200511 Oct 2011Donaldson Company, Inc.Air filter arrangement; assembly; and, methods
US806239914 Oct 200922 Nov 2011Donaldson Company, Inc.Air filter arrangement; assembly; and, methods
US807627323 Ago 201013 Dic 2011The Lubrizol CorportionSlow release lubricant additives gel
US810928722 Jul 20097 Feb 2012Cummins Filtration IP, Inc.Controlled release of additives in fluid systems
USRE371659 Ago 19998 May 2001Davco Manufacturing L.L.C.Fuel filter assembly