Underground filtration system
US7833413B1 · kind B1 · utility
6Cited by
3References
19Claims
0Family size
Inventors
Key dates
| Filing date | Jan 17, 2007 |
| Grant date | Nov 16, 2010 |
| Priority date | — |
| Expiry date | May 9, 2028 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE03F5/0404
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A modularized underground liquid run-off filtration system, where a plurality of matingly engaged panels define a storage chamber, a filter chamber and a clear well chamber. The filter chamber includes a first filter chamber section and a second filter chamber section, the first filter chamber section being in fluid communication with the storage chamber. A filter mechanism is positioned within the second filter chamber section for filtering liquid passing from the storage chamber thereto. The clear well chamber is in fluid communication with the second filter chamber section for receiving filtered liquid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.