Method and apparatus for replacing a filter
US6648947B2 · kind B2 · utility
7Cited by
10References
35Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 30, 2001 |
| Grant date | Nov 18, 2003 |
| Priority date | — |
| Expiry date | Nov 28, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D46/10
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention provides a method and apparatus for replacing a filter. The apparatus includes a receptacle adapted to receive a filter that is capable of filtering a first area. The apparatus further includes at least one supporting member to support at least a portion of the filter and at least a portion of a replacement filter, wherein both the filter and replacement filter are adapted to filter at least a portion of the first area for a selected duration.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.