Air filtering system
US7132010B2 · kind B2 · utility
30Cited by
15References
4Claims
0Family size
Assignees
Inventor
Key dates
| Filing date | Sep 30, 2004 |
| Grant date | Nov 7, 2006 |
| Priority date | — |
| Expiry date | Sep 30, 2024 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB03C3/38
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An air filtration system including a filter (4) for separation of particles and an ionizer (3) for ionization of the air. In use of the system, ionization of the air occurs before the air passes the filter (4). The filter (4) is made up of fibers of polypropylene mixed with acrylic.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.