Patent · US Active

Electronic cigarette

US9004073B2 · kind B2 · utility

118Cited by
176References
32Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 31, 2013
Grant dateApr 14, 2015
Priority date
Expiry dateJun 17, 2033

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49083
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An electronic smoking article includes a liquid supply including liquid material, a heater operable to heat the liquid material to a temperature sufficient to vaporize the liquid material and form an aerosol, a wick in communication with the liquid material and in communication with the heater such that the wick delivers the liquid material to the heater, at least one air inlet operable to deliver air to a central air passage upstream of the heater, and a fibrous element downstream of the heater.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.