Air treatment device with reservoir refill
US7651666B2 · kind B2 · utility
27Cited by
16References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 20, 2006 |
| Grant date | Jan 26, 2010 |
| Priority date | — |
| Expiry date | Oct 2, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L9/12
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Disclosed are devices for dispensing air treatment chemicals, and refill units for use therewith. Some of these devices have a well facing the heater and a transparent wall to view the use up of the air treatment chemical. Other of these devices have a refill with wells positioned in opposing directions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.