Personal air filtration device for use with bedding structure
US8414671B2 · kind B2 · utility
10Cited by
37References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 6, 2009 |
| Grant date | Apr 9, 2013 |
| Priority date | — |
| Expiry date | Mar 12, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61G13/108
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Devices, methods and systems for creating a zone of filtered air proximate a head of a user including an air filtration device including a blower being configured to be disposed within, below, or affixed to a bedding structure, an air plenum in flow communication with the blower and in support of the head of the user and having an air delivery surface configured to distribute the air flow to the zone of filtered air, and a filter disposed within the device for filtering the air flow before it is distributed to the zone of filtered air.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.