Micro diffusion of oxygen for treatment and dispersal of wastewater in a drain field
US8070949B1 · kind B1 · utility
1Cited by
20References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 19, 2008 |
| Grant date | Dec 6, 2011 |
| Priority date | — |
| Expiry date | Sep 1, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W10/10
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
Methods, systems and apparatuses are disclosed for improving the treatment of wastewater in a dispersal drainage trench by facilitating the direct aeration of wastewater passing through a drainage unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.