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Patentes

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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US394383213 Mar 197416 Mar 1976Brown & Williamson Tobacco CorporationMethod and apparatus for the handling of tow in the manufacture of tobacco smoke filters containing particulate material
US395756315 May 197518 May 1976Brown & Williamson Tobacco CorporationMethod and apparatus for the manufacture of filter rods containing particulate material by a split rod technique
US418441220 Mar 197822 Ene 1980Liggett Group Inc.Pocket-type charcoal filter and cigarette made therewith
US421450813 Oct 197729 Jul 1980Philip Morris IncorporatedMethod and apparatus for making cigarette filters of filamentary material
US42856777 Sep 197925 Ago 1981Daicel Ltd.Method and apparatus for the manufacture of cigarette filters containing particulate material
US486290515 Jun 19875 Sep 1989R. J. Reynolds Tobacco CompanyRods containing pelletized material
US532249522 Mar 199321 Jun 1994Philip Morris IncorporatedHigh speed vacuum assisted free flowing material inserter in filter rod manufacture
US53398714 May 199323 Ago 1994Philip Morris IncorporatedApparatus and methods for transferring and metering granular material
US554290122 Mar 19946 Ago 1996Philip Morris IncorporatedVacuum arrangement on combiner
US58758246 Ago 19962 Mar 1999Method and apparatus for high speed delivery of particulate material
US644316010 Dic 19993 Sep 2002G.D. S.p.A.Method and device for forming a cigarette rod containing an additive material
US665641217 Ago 20012 Dic 2003Philip Morris IncorporatedCompaction system for particles in particle filled cavities of an article
US67230332 Mar 200020 Abr 2004Philip Morris IncorporatedMethod and apparatus for producing particle bearing filter rod
US738117522 Dic 20043 Jun 2008Philip Morris USA Inc.Compound filter rod making apparatus and process
US747909823 Sep 200520 Ene 2009R. J. Reynolds Tobacco CompanyEquipment for insertion of objects into smoking articles
US754727110 Jul 200616 Jun 2009Japan Tobacco Inc.Filter rod making machine
US76549454 Ago 20062 Feb 2010R.J. Reynolds Tobacco CompanyMethod and apparatus for incorporating objects into cigarette filters
US783314623 Dic 200916 Nov 2010R.J. Reynolds Tobacco CompanyMethod and apparatus for incorporating objects into cigarette filters
US80836585 Dic 200527 Dic 2011Filtrona International LimitedTobacco smoke filter production
US814233919 Oct 201027 Mar 2012R.J. Reynolds Tabacco CompanyMethod and apparatus for incorporating objects into cigarette filters