Modular stormwater filtration
US9718007B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 28, 2015 |
| Grant date | Aug 1, 2017 |
| Priority date | — |
| Expiry date | Jan 24, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2301/08
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A modular drainage filtration apparatus comprising a filtration container having an open-ended structure with a shape determined by the number of walls used during assembly, each wall being formed from a generally flat sheet of a rigid material and comprising a flat body portion with a plurality of formed tabs and an upper and lower overhanging portion, the walls being assembled to form a filtration container enclose an interior region and having open and opposite upper and lower faces and a plurality of filtration units each comprising a flat filter stage configured to be placed within a filtration container.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.