Fragrance dispenser for air filter
US10213519B2 · kind B2 · utility
1Cited by
20References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 14, 2015 |
| Grant date | Feb 26, 2019 |
| Priority date | — |
| Expiry date | Oct 31, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2279/50
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A fragrance dispenser for emitting fragrance into an airstream impinging on an air filter, the dispenser having a receptacle with an open end that faces toward the air filter and that has a porous diffuser layer occlusively overlying the open end of the receptacle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.