Aroma-diffusing heating device using a replaceable aroma capsule and the aroma capsule
US9498553B2 · kind B2 · utility
16Cited by
5References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 30, 2013 |
| Grant date | Nov 22, 2016 |
| Priority date | — |
| Expiry date | Jan 24, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L9/03
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An aroma-diffusing heating device includes a heating base, and an aroma capsule detachably accommodated in the heating base and heatable by the heating base to give off fragrance. The aroma capsule includes a heat-transfer container defining a top opening, an aromatic substance held in the heat-transfer container, and a breathing film bonded to the heat-transfer container in the top opening of the heat-transfer container. The breathing film has open spaces defined therein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.