Assignee
PHILIP MORRIS INC
US·758 granted patents·1 pending application·70,937 citations·filing 1972–2004
Top patents by PatentIndex Score
759 records- 0199US6615840B1Electrical smoking system and methodPHILIP MORRIS INC·Filed 2002·Granted Sep 9, 2003·552 cites·31 claims
- 0299US6446426B1Miniature pulsed heat sourcePHILIP MORRIS INC·Filed 2000·Granted Sep 10, 2002·167 cites·31 claims
- 0399US5934289AElectronic smoking systemPHILIP MORRIS INC·Filed 1997·Granted Aug 10, 1999·1.2k cites·45 claims
- 0499US5730158AHeater element of an electrical smoking article and method for making samePHILIP MORRIS INC·Filed 1995·Granted Mar 24, 1998·329 cites·12 claims
- 0599US5613505AInductive heating systems for smoking articlesPHILIP MORRIS INC·Filed 1994·Granted Mar 25, 1997·705 cites·42 claims
- 0699US5595706AAluminum containing iron-base alloys useful as electrical resistance heating elementsPHILIP MORRIS INC·Filed 1994·Granted Jan 21, 1997·148 cites·28 claims
- 0799US5505214AElectrical smoking article and method for making samePHILIP MORRIS INC·Filed 1992·Granted Apr 9, 1996·717 cites·50 claims
- 0899USD368552SElectrical smoking appliancePHILIP MORRIS INC·Filed 1994·Granted Apr 2, 1996·165 cites·1 claims
- 0999US5261424AControl device for flavor-generating articlePHILIP MORRIS INC·Filed 1991·Granted Nov 16, 1993·1k cites·65 claims
- 1099US5228460ALow mass radial array heater for electrical smoking articlePHILIP MORRIS INC·Filed 1991·Granted Jul 20, 1993·475 cites·19 claims
- 1198US6053176AHeater and method for efficiently generating an aerosol from an indexing substratePHILIP MORRIS INC·Filed 1999·Granted Apr 25, 2000·1.1k cites·18 claims
- 1298US6040560APower controller and method of operating an electrical smoking systemPHILIP MORRIS INC·Filed 1997·Granted Mar 21, 2000·1.2k cites·82 claims
- 1398US5954979AHeater fixture of an electrical smoking systemPHILIP MORRIS INC·Filed 1997·Granted Sep 21, 1999·895 cites·33 claims
- 1498US5878752AMethod and apparatus for using, cleaning, and maintaining electrical heat sources and lighters useful in smoking systems and other apparatusesPHILIP MORRIS INC·Filed 1996·Granted Mar 9, 1999·1k cites·69 claims
- 1598US5880439AFunctionally stepped, resistive ceramicPHILIP MORRIS INC·Filed 1996·Granted Mar 9, 1999·212 cites·40 claims
- 1698US5865185AFlavor generating articlePHILIP MORRIS INC·Filed 1995·Granted Feb 2, 1999·786 cites·75 claims
- 1798US5743251AAerosol and a method and apparatus for generating an aerosolPHILIP MORRIS INC·Filed 1996·Granted Apr 28, 1998·868 cites·57 claims
- 1898US5692525ACigarette for electrical smoking systemPHILIP MORRIS INC·Filed 1995·Granted Dec 2, 1997·567 cites·14 claims
- 1998US5692291AMethod of manufacturing an electrical heaterPHILIP MORRIS INC·Filed 1995·Granted Dec 2, 1997·171 cites·14 claims
- 2098US5666977AElectrical smoking article using liquid tobacco flavor medium delivery systemPHILIP MORRIS INC·Filed 1994·Granted Sep 16, 1997·1.2k cites·27 claims
- 2198US5665262ATubular heater for use in an electrical smoking articlePHILIP MORRIS INC·Filed 1995·Granted Sep 9, 1997·754 cites·79 claims
- 2298US5659656ASemiconductor electrical heater and method for making samePHILIP MORRIS INC·Filed 1996·Granted Aug 19, 1997·354 cites·5 claims
- 2398US5649554AElectrical lighter with a rotatable tobacco supplyPHILIP MORRIS INC·Filed 1995·Granted Jul 22, 1997·808 cites·68 claims
- 2498US5613504AFlavor generating article and method for making samePHILIP MORRIS INC·Filed 1995·Granted Mar 25, 1997·345 cites·11 claims
- 2598US5591368AHeater for use in an electrical smoking systemPHILIP MORRIS INC·Filed 1995·Granted Jan 7, 1997·958 cites·44 claims
- 2698US5530225AInterdigitated cylindrical heater for use in an electrical smoking articlePHILIP MORRIS INC·Filed 1994·Granted Jun 25, 1996·799 cites·49 claims
- 2798US5498855AElectrically powered ceramic composite heaterPHILIP MORRIS INC·Filed 1994·Granted Mar 12, 1996·624 cites·49 claims
- 2898US5498850ASemiconductor electrical heater and method for making samePHILIP MORRIS INC·Filed 1993·Granted Mar 12, 1996·512 cites·51 claims
- 2998US5479948AElectrical smoking article having continuous tobacco flavor web and flavor cassette thereforPHILIP MORRIS INC·Filed 1993·Granted Jan 2, 1996·437 cites·145 claims
- 3098US5468936AHeater having a multiple-layer ceramic substrate and method of fabricationPHILIP MORRIS INC·Filed 1993·Granted Nov 21, 1995·597 cites·27 claims
- 3198US5408574AFlat ceramic heater having discrete heating zonesPHILIP MORRIS INC·Filed 1993·Granted Apr 18, 1995·682 cites·16 claims
- 3298US5388594AElectrical smoking system for delivering flavors and method for making samePHILIP MORRIS INC·Filed 1993·Granted Feb 14, 1995·1.1k cites·27 claims
- 3398US5369723ATobacco flavor unit for electrical smoking article comprising fibrous matPHILIP MORRIS INC·Filed 1992·Granted Nov 29, 1994·614 cites·75 claims
- 3498US5353813AReinforced carbon heater with discrete heating zonesPHILIP MORRIS INC·Filed 1992·Granted Oct 11, 1994·729 cites·62 claims
- 3598US5322075AHeater for an electric flavor-generating articlePHILIP MORRIS INC·Filed 1992·Granted Jun 21, 1994·1.2k cites·57 claims
- 3698US5269327AElectrical smoking articlePHILIP MORRIS INC·Filed 1991·Granted Dec 14, 1993·717 cites·3 claims
- 3798US5249586AElectrical smokingPHILIP MORRIS INC·Filed 1993·Granted Oct 5, 1993·1k cites·37 claims
- 3898US5224498AElectrically-powered heating elementPHILIP MORRIS INC·Filed 1991·Granted Jul 6, 1993·825 cites·29 claims
- 3998US5144962AFlavor-delivery articlePHILIP MORRIS INC·Filed 1989·Granted Sep 8, 1992·1.3k cites·146 claims
- 4098US5095921AFlavor generating articlePHILIP MORRIS INC·Filed 1990·Granted Mar 17, 1992·644 cites·84 claims
- 4198US5093894AElectrically-powered linear heating elementPHILIP MORRIS INC·Filed 1989·Granted Mar 3, 1992·875 cites·29 claims
- 4298US5060671AFlavor generating articlePHILIP MORRIS INC·Filed 1989·Granted Oct 29, 1991·1.5k cites·84 claims
- 4398US5018540AProcess for removal of basic materialsPHILIP MORRIS INC·Filed 1987·Granted May 28, 1991·281 cites·60 claims
- 4497US6701936B2Cigarette with smoke constituent attenuatorPHILIP MORRIS INC·Filed 2001·Granted Mar 9, 2004·266 cites·5 claims
- 4597US6688313B2Electrical smoking system and methodPHILIP MORRIS INC·Filed 2001·Granted Feb 10, 2004·469 cites·27 claims
- 4697US6584979B2High efficiency cigarette filters having shaped microcavity fibers impregnated with adsorbent or absorbent materialsPHILIP MORRIS INC·Filed 2001·Granted Jul 1, 2003·141 cites·28 claims
- 4797USD433532SHand-held smoking unitPHILIP MORRIS INC·Filed 1998·Granted Nov 7, 2000·142 cites·1 claims
- 4897USD422113SHand-held smoking unitPHILIP MORRIS INC·Filed 1997·Granted Mar 28, 2000·126 cites·1 claims
- 4997US6026820ACigarette for electrical smoking systemPHILIP MORRIS INC·Filed 1997·Granted Feb 22, 2000·498 cites·20 claims
- 5097US5967148ALighter actuation systemPHILIP MORRIS INC·Filed 1997·Granted Oct 19, 1999·750 cites·28 claims
Showing the top 50 of 759 patent records by PatentIndex Score.
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