Assignee
BROWN & WILLIAMSON TOBACCO CORP
US·280 granted patents·7 pending applications·10,846 citations·filing 1971–2004
Top patents by PatentIndex Score
287 records- 0197US6598607B2Non-combustible smoking device and fuel elementBROWN & WILLIAMSON TOBACCO CORP·Filed 2001·Granted Jul 29, 2003·573 cites·19 claims
- 0296US6532965B1Smoking article using steam as an aerosol-generating sourceBROWN & WILLIAMSON TOBACCO CORP·Filed 2001·Granted Mar 18, 2003·445 cites·26 claims
- 0394US6827573B2Gas micro burnerBROWN & WILLIAMSON TOBACCO CORP·Filed 2002·Granted Dec 7, 2004·66 cites·31 claims
- 0494US6510855B1Tobacco recovery systemBROWN & WILLIAMSON TOBACCO CORP·Filed 2002·Granted Jan 28, 2003·218 cites·32 claims
- 0594USD360131SCartonBROWN & WILLIAMSON TOBACCO CORP·Filed 1994·Granted Jul 11, 1995·60 cites·1 claims
- 0693US6131584ATobacco treatment processBROWN & WILLIAMSON TOBACCO CORP·Filed 1999·Granted Oct 17, 2000·229 cites·7 claims
- 0793US4945931ASimulated smoking deviceBROWN & WILLIAMSON TOBACCO CORP·Filed 1989·Granted Aug 7, 1990·586 cites·10 claims
- 0892US6874623B2Smoking article packagingBROWN & WILLIAMSON TOBACCO CORP·Filed 2001·Granted Apr 5, 2005·64 cites·21 claims
- 0992US6772767B2Process for reducing nitrogen containing compounds and lignin in tobaccoBROWN & WILLIAMSON TOBACCO CORP·Filed 2002·Granted Aug 10, 2004·232 cites·7 claims
- 1092US5611360ASmoking articleBROWN & WILLIAMSON TOBACCO CORP·Filed 1994·Granted Mar 18, 1997·214 cites·28 claims
- 1192US4924886ASmoking articleBROWN & WILLIAMSON TOBACCO CORP·Filed 1988·Granted May 15, 1990·156 cites·13 claims
- 1292US4506683AVentilated mouthpiece for a smoking articleBROWN & WILLIAMSON TOBACCO CORP·Filed 1983·Granted Mar 26, 1985·114 cites·20 claims
- 1392US4270552AProcess and apparatus for producing paper reconstituted tobaccoBROWN & WILLIAMSON TOBACCO CORP·Filed 1979·Granted Jun 2, 1981·187 cites·24 claims
- 1491US4354894AApparatus for depositing a coupon on a packageBROWN & WILLIAMSON TOBACCO CORP·Filed 1981·Granted Oct 19, 1982·64 cites·10 claims
- 1591US4256122ACigarette filterBROWN & WILLIAMSON TOBACCO CORP·Filed 1979·Granted Mar 17, 1981·79 cites·9 claims
- 1691US4119104ATobacco substitute having improved ash characteristicsBROWN & WILLIAMSON TOBACCO CORP·Filed 1977·Granted Oct 10, 1978·86 cites·31 claims
- 1790US6705325B1Apparatus for making cigarette with burn rate modificationBROWN & WILLIAMSON TOBACCO CORP·Filed 2003·Granted Mar 16, 2004·91 cites·31 claims
- 1890US6612429B2Flip open package with microencapsulated flavor releaseBROWN & WILLIAMSON TOBACCO CORP·Filed 2001·Granted Sep 2, 2003·97 cites·20 claims
- 1990US5996589AAerosol-delivery smoking articleBROWN & WILLIAMSON TOBACCO CORP·Filed 1998·Granted Dec 7, 1999·148 cites·14 claims
- 2090US4049117APackage having a slide actuated closure memberBROWN & WILLIAMSON TOBACCO CORP·Filed 1976·Granted Sep 20, 1977·72 cites·7 claims
- 2189US5377698AReconstituted tobacco productBROWN & WILLIAMSON TOBACCO CORP·Filed 1993·Granted Jan 3, 1995·181 cites·12 claims
- 2289US5101840ADye for cigarette wrapper paper and cigarette having dyed wrapperBROWN & WILLIAMSON TOBACCO CORP·Filed 1990·Granted Apr 7, 1992·34 cites·15 claims
- 2389US4961438ASmoking deviceBROWN & WILLIAMSON TOBACCO CORP·Filed 1989·Granted Oct 9, 1990·167 cites·12 claims
- 2489US4340074ACigarette material having non-lipsticking propertiesBROWN & WILLIAMSON TOBACCO CORP·Filed 1981·Granted Jul 20, 1982·100 cites·3 claims
- 2589US4077414ASmoking articlesBROWN & WILLIAMSON TOBACCO CORP·Filed 1976·Granted Mar 7, 1978·131 cites·6 claims
- 2688US5016656ACigarette and method of making sameBROWN & WILLIAMSON TOBACCO CORP·Filed 1990·Granted May 21, 1991·172 cites·8 claims
- 2788US4892109ASimulated smoking articleBROWN & WILLIAMSON TOBACCO CORP·Filed 1989·Granted Jan 9, 1990·129 cites·7 claims
- 2887US5425215AApparatus for packaging loose leaf materialBROWN & WILLIAMSON TOBACCO CORP·Filed 1993·Granted Jun 20, 1995·43 cites·12 claims
- 2987US4917121ASmoking articleBROWN & WILLIAMSON TOBACCO CORP·Filed 1988·Granted Apr 17, 1990·97 cites·9 claims
- 3087US3977520APackage having a slide actuated closure memberBROWN & WILLIAMSON TOBACCO CORP·Filed 1974·Granted Aug 31, 1976·65 cites·7 claims
- 3186US6779529B2Cigarette filterBROWN & WILLIAMSON TOBACCO CORP·Filed 2002·Granted Aug 24, 2004·66 cites·10 claims
- 3286US6536442B2Lighter integral with a smoking articleBROWN & WILLIAMSON TOBACCO CORP·Filed 2000·Granted Mar 25, 2003·96 cites·57 claims
- 3386US4912910APackage structure for storing articles and a method and apparatus for accomplishing the sameBROWN & WILLIAMSON TOBACCO CORP·Filed 1989·Granted Apr 3, 1990·48 cites·25 claims
- 3486US4765348ANon-combustible simulated cigarette deviceBROWN & WILLIAMSON TOBACCO CORP·Filed 1986·Granted Aug 23, 1988·105 cites·6 claims
- 3586US4622875ASystem and process for sorting and opening packagesBROWN & WILLIAMSON TOBACCO CORP·Filed 1984·Granted Nov 18, 1986·72 cites·13 claims
- 3686US4000748AApparatus and process for shredding and crimping smoking materialsBROWN & WILLIAMSON TOBACCO CORP·Filed 1975·Granted Jan 4, 1977·60 cites·7 claims
- 3785US5567105AAutomated transfer car for transporting materialBROWN & WILLIAMSON TOBACCO CORP·Filed 1995·Granted Oct 22, 1996·56 cites·8 claims
- 3885US5465554APackage, and method for packaging loose leaf materialBROWN & WILLIAMSON TOBACCO CORP·Filed 1994·Granted Nov 14, 1995·40 cites·15 claims
- 3985US5214901AApparatus and method for inserting a spacer between two packs of cigarettesBROWN & WILLIAMSON TOBACCO CORP·Filed 1992·Granted Jun 1, 1993·53 cites·10 claims
- 4085US4771882ACigarette package with spacerBROWN & WILLIAMSON TOBACCO CORP·Filed 1987·Granted Sep 20, 1988·78 cites·3 claims
- 4185US4557280AProcess for reduction of nitrate and nicotine content of tobacco by microbial treatmentBROWN & WILLIAMSON TOBACCO CORP·Filed 1978·Granted Dec 10, 1985·55 cites·19 claims
- 4285US4515170AVentilated mouthpiece for a smoking articleBROWN & WILLIAMSON TOBACCO CORP·Filed 1983·Granted May 7, 1985·63 cites·16 claims
- 4384US5551450ASmoking productsBROWN & WILLIAMSON TOBACCO CORP·Filed 1994·Granted Sep 3, 1996·134 cites·15 claims
- 4484US5327915ASmoking articleBROWN & WILLIAMSON TOBACCO CORP·Filed 1992·Granted Jul 12, 1994·146 cites·14 claims
- 4584US4990284AMoisture indicating ink and package having sameBROWN & WILLIAMSON TOBACCO CORP·Filed 1989·Granted Feb 5, 1991·56 cites·29 claims
- 4684US4865222AAdapter for a package dispensing machineBROWN & WILLIAMSON TOBACCO CORP·Filed 1988·Granted Sep 12, 1989·42 cites·1 claims
- 4784US4556073AProcess for reduction of nitrate content of tobacco by microbial treatmentBROWN & WILLIAMSON TOBACCO CORP·Filed 1978·Granted Dec 3, 1985·50 cites·22 claims
- 4884US3957563AMethod and apparatus for the manufacture of filter rods containing particulate material by a split rod techniqueBROWN & WILLIAMSON TOBACCO CORP·Filed 1975·Granted May 18, 1976·51 cites·11 claims
- 4983US6178969B1Aerosol delivery smoking articleBROWN & WILLIAMSON TOBACCO CORP·Filed 1999·Granted Jan 30, 2001·85 cites·51 claims
- 5083US5060667ASmoking articleBROWN & WILLIAMSON TOBACCO CORP·Filed 1990·Granted Oct 29, 1991·113 cites·13 claims
Showing the top 50 of 287 patent records by PatentIndex Score.
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