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Brevets

Référencé par

Brevet citant Date de dépôt Date de délivrance Cessionnaire d'origine Titre
US394383213 mars 197416 mars 1976Brown & Williamson Tobacco CorporationMethod and apparatus for the handling of tow in the manufacture of tobacco smoke filters containing particulate material
US395756315 mai 197518 mai 1976Brown & Williamson Tobacco CorporationMethod and apparatus for the manufacture of filter rods containing particulate material by a split rod technique
US418441220 mars 197822 janv. 1980Liggett Group Inc.Pocket-type charcoal filter and cigarette made therewith
US421450813 oct. 197729 juil. 1980Philip Morris IncorporatedMethod and apparatus for making cigarette filters of filamentary material
US42856777 sept. 197925 août 1981Daicel Ltd.Method and apparatus for the manufacture of cigarette filters containing particulate material
US486290515 juin 19875 sept. 1989R. J. Reynolds Tobacco CompanyRods containing pelletized material
US532249522 mars 199321 juin 1994Philip Morris IncorporatedHigh speed vacuum assisted free flowing material inserter in filter rod manufacture
US53398714 mai 199323 août 1994Philip Morris IncorporatedApparatus and methods for transferring and metering granular material
US554290122 mars 19946 août 1996Philip Morris IncorporatedVacuum arrangement on combiner
US58758246 août 19962 mars 1999Method and apparatus for high speed delivery of particulate material
US644316010 déc. 19993 sept. 2002G.D. S.p.A.Method and device for forming a cigarette rod containing an additive material
US665641217 août 20012 déc. 2003Philip Morris IncorporatedCompaction system for particles in particle filled cavities of an article
US67230332 mars 200020 avr. 2004Philip Morris IncorporatedMethod and apparatus for producing particle bearing filter rod
US738117522 déc. 20043 juin 2008Philip Morris USA Inc.Compound filter rod making apparatus and process
US747909823 sept. 200520 janv. 2009R. J. Reynolds Tobacco CompanyEquipment for insertion of objects into smoking articles
US754727110 juil. 200616 juin 2009Japan Tobacco Inc.Filter rod making machine
US76549454 août 20062 févr. 2010R.J. Reynolds Tobacco CompanyMethod and apparatus for incorporating objects into cigarette filters
US783314623 déc. 200916 nov. 2010R.J. Reynolds Tobacco CompanyMethod and apparatus for incorporating objects into cigarette filters
US80836585 déc. 200527 déc. 2011Filtrona International LimitedTobacco smoke filter production
US814233919 oct. 201027 mars 2012R.J. Reynolds Tabacco CompanyMethod and apparatus for incorporating objects into cigarette filters