Air freshener dispensers, cartridges therefor, systems, and methods
US10391193B2 · kind B2 · utility
11Cited by
136References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 5, 2017 |
| Grant date | Aug 27, 2019 |
| Priority date | — |
| Expiry date | Jan 17, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2209/133
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Automated air freshener dispensers and cartridges therefor are provided herein. Air freshener dispensers include a housing having a cavity for receiving a cartridge containing an air freshening substance for release, a fan that induces an airflow through the housing and directs the airflow to an area outside of the air freshener dispenser, such that released air freshening substance is entrained in the airflow, a motor for driving the fan, at least one sensor, and a controller that receives a signal from the at least one sensor and directs operation of the fan in response thereto.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.