Air cleaner
US6540804B1 · kind B1 · utility
10Cited by
13References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 23, 2001 |
| Grant date | Apr 1, 2003 |
| Priority date | — |
| Expiry date | May 23, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S55/39
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An air cleaner includes a fan unit (1; 1′) and a filter unit (3) that is entirely replaceable, where the fan unit (1; 1′) and the filter unit (3) are mutually connected by a quick coupling and the filter unit includes a filter and an exterior casing that defines an exterior of the air cleaner when the air cleaner is in an operating position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.