Neck-worn air filtration device
US9724545B2 · kind B2 · utility
2Cited by
37References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 26, 2015 |
| Grant date | Aug 8, 2017 |
| Priority date | — |
| Expiry date | Nov 25, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/42
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A neck-worn personal air filtration device for filtering aero-allergens and providing a zone of filtered air around or near a user's breathing zone is described. The device may include an air source adapted to deliver a pressurized airflow, a hose, and a neck-worn plenum including a filter. The airflow being caused to accumulate within the plenum and exit the plenum through the air permeable surface. The air is filtered by a filter for breathing by the user.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.