External tank filter, in particular for an aquarium
US6712961B2 · kind B2 · utility
6Cited by
8References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 25, 2003 |
| Grant date | Mar 30, 2004 |
| Priority date | — |
| Expiry date | Feb 25, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2201/16
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A filter external to a tank including a vessel, a lid for closing the vessel, a removable connector including means of fixing the connector to the lid, a pipe for conveying water from the tank, a pipe for returning water to the tank, and couplings for connecting the two pipes to the connector, each coupling being equipped with a valve which selectively allows or prevents the passage of water, the connocter including a single means for allowing simultaneous actuations of the valves and actuation of the means of fixing the connector to the lid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.