Electronic vaping device with tubular heating element
US10994086B2 · kind B2 · utility
4Cited by
11References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 29, 2017 |
| Grant date | May 4, 2021 |
| Priority date | — |
| Expiry date | Jun 29, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B2203/022
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A cartridge of an electronic vaping device includes a reservoir configured to store a pre-vapor formulation and a heating element configured to heat the pre-vapor formulation. The heating element includes a metal tube having a first end and a second end. The metal tube defines an opening therethrough. The metal tube includes a sidewall defining at least one spiral channel extending substantially continuously along a portion of the metal tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.