Philip Morris Inc.
🏢 View company profile →760Patents
1Active
760Granted
46Portfolio score
Filing activity: Dec 11, 1972 → Oct 15, 2009
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5060671A | Flavor generating article | Human Necessities | 1,010 | Expired |
| US5144962A | Flavor-delivery article | Human Necessities | 982 | Expired |
| US5666977A | Electrical smoking article using liquid tobacco flavor medium delivery system | Human Necessities | 850 | Expired |
| US5878752A | Method and apparatus for using, cleaning, and maintaining electrical heat sources and lighters useful in smoking systems and other apparatuses | Human Necessities | 795 | Expired |
| US5322075A | Heater for an electric flavor-generating article | Electricity | 767 | Expired |
| US5249586A | Electrical smoking | Human Necessities | 722 | Expired |
| US5388594A | Electrical smoking system for delivering flavors and method for making same | Human Necessities | 686 | Expired |
| US6053176A | Heater and method for efficiently generating an aerosol from an indexing substrate | Human Necessities | 670 | Expired |
| US5865185A | Flavor generating article | Emerging Cross-Sectional Technologies | 669 | Expired |
| US6040560A | Power controller and method of operating an electrical smoking system | Human Necessities | 645 | Expired |
| US5934289A | Electronic smoking system | Human Necessities | 642 | Expired |
| US5093894A | Electrically-powered linear heating element | Human Necessities | 624 | Expired |
| US5743251A | Aerosol and a method and apparatus for generating an aerosol | Human Necessities | 620 | Expired |
| US5591368A | Heater for use in an electrical smoking system | Human Necessities | 606 | Expired |
| US5261424A | Control device for flavor-generating article | Human Necessities | 604 | Expired |
| US5649554A | Electrical lighter with a rotatable tobacco supply | Human Necessities | 601 | Expired |
| US5269327A | Electrical smoking article | Human Necessities | 567 | Expired |
| US5408574A | Flat ceramic heater having discrete heating zones | Human Necessities | 561 | Expired |
| US5224498A | Electrically-powered heating element | Human Necessities | 538 | Expired |
| US5505214A | Electrical smoking article and method for making same | Emerging Cross-Sectional Technologies | 535 | Expired |
| US5369723A | Tobacco flavor unit for electrical smoking article comprising fibrous mat | Human Necessities | 522 | Expired |
| US5530225A | Interdigitated cylindrical heater for use in an electrical smoking article | Human Necessities | 520 | Expired |
| US5372148A | Method and apparatus for controlling the supply of energy to a heating load in a smoking article | Human Necessities | 520 | Expired |
| US5095921A | Flavor generating article | Human Necessities | 514 | Expired |
| US6615840B1 | Electrical smoking system and method | Human Necessities | 503 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.