Assignee
ROTHMANS BENSON & HEDGES
CA·40 granted patents·9 pending applications·1,246 citations·filing 1988–2006
Top patents by PatentIndex Score
49 records- 0196US7624739B2Tubular cigarette device comprising cerium oxideROTHMANS BENSON & HEDGES·Filed 2005·Granted Dec 1, 2009·59 cites·4 claims
- 0294US5938018ACigarette or tobacco package with re-usable aroma releasant for multiple package openingsROTHMANS BENSON & HEDGES·Filed 1998·Granted Aug 17, 1999·203 cites·19 claims
- 0391US6799578B2Low sidestream smoke cigarette with combustible paperROTHMANS BENSON & HEDGES·Filed 2001·Granted Oct 5, 2004·58 cites·68 claims
- 0490US6371127B1Cigarette sidestream smoke and free-burn rate control deviceROTHMANS BENSON & HEDGES·Filed 1997·Granted Apr 16, 2002·121 cites·44 claims
- 0588US6748955B2Cigarette sidestream smoke and free-burn rate control deviceROTHMANS BENSON & HEDGES·Filed 2002·Granted Jun 15, 2004·47 cites·9 claims
- 0688US5487468ACigarette package designROTHMANS BENSON & HEDGES·Filed 1994·Granted Jan 30, 1996·89 cites·1 claims
- 0787US6286516B1Cigarette sidestream smoke treatment materialROTHMANS BENSON & HEDGES·Filed 1999·Granted Sep 11, 2001·89 cites·43 claims
- 0887USD427369STwo-pack cigarette packageROTHMANS BENSON & HEDGES·Filed 1999·Granted Jun 27, 2000·34 cites·1 claims
- 0984US6810884B2Low sidestream smoke cigarette with non-combustible treatment materialROTHMANS BENSON & HEDGES·Filed 2001·Granted Nov 2, 2004·28 cites·32 claims
- 1083USD412373SFine cut tobacco canisterROTHMANS BENSON & HEDGES·Filed 1997·Granted Jul 27, 1999·33 cites·1 claims
- 1179US6904918B2Low sidestream smoke cigarette with non-combustible treatment materialROTHMANS BENSON & HEDGES·Filed 2004·Granted Jun 14, 2005·16 cites·36 claims
- 1277US6722373B2Cigarette sidestream smoke treatment materialROTHMANS BENSON & HEDGES·Filed 2002·Granted Apr 20, 2004·16 cites·47 claims
- 1371US6223895B1Two-pack kit for packaging make-your-own cigarettesROTHMANS BENSON & HEDGES·Filed 1999·Granted May 1, 2001·42 cites·3 claims
- 1470US5794771APackage for components of hand made cigarettesROTHMANS BENSON & HEDGES·Filed 1997·Granted Aug 18, 1998·55 cites·6 claims
- 1569US5462073ACigarette having wrapper made by extraction and paper-making processROTHMANS BENSON & HEDGES·Filed 1994·Granted Oct 31, 1995·41 cites·33 claims
- 1669US5190061ACigarette smoke filterROTHMANS BENSON & HEDGES·Filed 1991·Granted Mar 2, 1993·49 cites·9 claims
- 1768US7717120B2Low sidestream smoke cigarette with combustible paperROTHMANS BENSON & HEDGES·Filed 2004·Granted May 18, 2010·6 cites·10 claims
- 1866US5524647AControl of cigarette smoke chemistryROTHMANS BENSON & HEDGES·Filed 1995·Granted Jun 11, 1996·33 cites·9 claims
- 1959US5699812ASmoking productROTHMANS BENSON & HEDGES·Filed 1995·Granted Dec 23, 1997·28 cites·38 claims
- 2058US5957278AContainer for filter tipped cigarette tubes used in hand made cigarettesROTHMANS BENSON & HEDGES·Filed 1998·Granted Sep 28, 1999·31 cites·7 claims
- 2157US6790807B2Zirconium/metal oxide fibersROTHMANS BENSON & HEDGES·Filed 2002·Granted Sep 14, 2004·3 cites·32 claims
- 2255US5709228ACigarette with decreased sidestream smokeROTHMANS BENSON & HEDGES·Filed 1995·Granted Jan 20, 1998·24 cites·6 claims
- 2355US2005166936A1Low sidestream smoke cigarette with non-combustible treatment materialROTHMANS BENSON & HEDGES·Filed 2005·Application pending·0 cites
- 2454US5105830ADevice and method for assembly of cigarettesROTHMANS BENSON & HEDGES·Filed 1990·Granted Apr 21, 1992·26 cites·25 claims
- 2554US2004173230A1Cigarette sidestream smoke and free-burn rate control deviceROTHMANS BENSON & HEDGES·Filed 2004·Application pending·0 cites
- 2653US7531477B2Process for making metal oxide-coated microporous materialsROTHMANS BENSON & HEDGES·Filed 2005·Granted May 12, 2009·0 cites·20 claims
- 2753US2004173231A1Cigarette sidestream smoke treatment materialROTHMANS BENSON & HEDGES·Filed 2004·Application pending·0 cites
- 2852US5303721ACigarette snipping deviceROTHMANS BENSON & HEDGES·Filed 1993·Granted Apr 19, 1994·22 cites·6 claims
- 2947USD403467SCigarette tube containerROTHMANS BENSON & HEDGES·Filed 1997·Granted Dec 29, 1998·7 cites·1 claims
- 3047US5377826ACigarette extinguishing storage deviceROTHMANS BENSON & HEDGES·Filed 1993·Granted Jan 3, 1995·13 cites·5 claims
- 3146US2006137701A1Ceria/zirconia fiberes for use in cigarettesROTHMANS BENSON & HEDGES·Filed 2003·Application pending·0 cites
- 3246US2004020504A1Low sidestream smoke cigarette with combustible paper having a modified ashROTHMANS BENSON & HEDGES·Filed 2003·Application pending·0 cites
- 3346US2005009693A1Zirconium/metal oxide fibresROTHMANS BENSON & HEDGES·Filed 2004·Application pending·0 cites
- 3445US4867180ACigarette making machine hopperROTHMANS BENSON & HEDGES·Filed 1988·Granted Sep 19, 1989·12 cites·11 claims
- 3545US2005121045A1Treatment of mainstream smoke constituents by use of oxygen storage and donor metal oxide oxidation catalystROTHMANS BENSON & HEDGES·Filed 2004·Application pending·0 cites
- 3645US2006225753A1Tobacco smoke filter and tobacco blend for altering mainstream smokeROTHMANS BENSON & HEDGES·Filed 2006·Application pending·0 cites
- 3744US2004007242A1Low ignition propensity cigarette having oxygen donor metal oxide in the cigarette wrapperROTHMANS BENSON & HEDGES·Filed 2003·Application pending·0 cites
- 3843US5509429AUniform tar delivery profile filterROTHMANS BENSON & HEDGES·Filed 1995·Granted Apr 23, 1996·11 cites·6 claims
- 3942US5915388ADevice for controlling free-burn rate of and reducing sidestream smoke from a cigarette and the likeROTHMANS BENSON & HEDGES·Filed 1996·Granted Jun 29, 1999·10 cites·53 claims
- 4039US5826592AControl of cigarette smoke chemistryROTHMANS BENSON & HEDGES·Filed 1995·Granted Oct 27, 1998·6 cites·9 claims
- 4137US5080112AControlled opening of fibrous materialsROTHMANS BENSON & HEDGES·Filed 1990·Granted Jan 14, 1992·7 cites·25 claims
- 4236US5752528ACigarette extinguishing storage deviceROTHMANS BENSON & HEDGES·Filed 1994·Granted May 19, 1998·5 cites·15 claims
- 4335US5267578AControlled opening of fibrous materialsROTHMANS BENSON & HEDGES·Filed 1991·Granted Dec 7, 1993·5 cites·8 claims
- 4433US5501332ACigarette extinguishing storage deviceROTHMANS BENSON & HEDGES·Filed 1994·Granted Mar 26, 1996·3 cites·14 claims
- 4533US4953570ACigarette making machine hopperROTHMANS BENSON & HEDGES·Filed 1989·Granted Sep 4, 1990·3 cites·7 claims
- 4632US5379788AMultiple-smoking cigarette systemROTHMANS BENSON & HEDGES·Filed 1992·Granted Jan 10, 1995·4 cites·51 claims
- 4731US5374869ACigarette systemROTHMANS BENSON & HEDGES·Filed 1992·Granted Dec 20, 1994·3 cites·65 claims
- 4831US4967770ACigarette making machine hopperROTHMANS BENSON & HEDGES·Filed 1989·Granted Nov 6, 1990·2 cites·13 claims
- 4931US4896681ATobacco blend formationROTHMANS BENSON & HEDGES·Filed 1988·Granted Jan 30, 1990·2 cites·41 claims
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