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.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →