Renewable filter
US6045599A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Nov 13, 1998 |
| Grant date | Apr 4, 2000 |
| Priority date | — |
| Expiry date | Nov 13, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2265/021
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A reusable replacement filter includes a folded elongated filter element. The filter has a cup shaped member which includes a base element. The cup shaped member has a continuous side wall extending upwardly from the periphery of the base element. The cup shaped member has an open end. A plurality of longitudinally disposed rib elements are disposed along opposed portions of the side wall. A removable ring is juxtaposed to the open end of the side wall. The ring has a plurality of fingers which extend axially in an offset complimentary fashion to the rib elements. The ring and cup have means for telescopically engaging the ring to the cup. A removable cap closes the open end of the cup member. The cap and cup each have an aperture for communicating with the exterior of the filter. The apertures allow a fluid to be passed through and cleaned by the filter element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.