Diffuser for aeration basin
US4981623A · kind A · utility
27Cited by
9References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 12, 1990 |
| Grant date | Jan 1, 1991 |
| Priority date | — |
| Expiry date | Mar 12, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W10/10
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Generally there is provided an elastomeric diffuser membrane configured to overlie a planar base and to wrap around the edge. A plurality of lobe extensions of the membrane protrude under the base and are interconnected by a strap to secure the membrane to the base.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.