Aeration device for use as a diffuser
US7934706B2 · kind B2 · utility
1Cited by
19References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 4, 2007 |
| Grant date | May 3, 2011 |
| Priority date | — |
| Expiry date | Mar 2, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01F23/231265
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An aeration device or diffuser is disclosed. The diffuser preferably includes a porous hose adapted to allow gas to escape therefrom, a rigid element disposed within the hose, the rigid element being constructed of material denser than water and a fitting suitable for attaching the hose to an air supply, the fitting disposed within the hose at one end of the hose. Methods of use of the diffuser and of assembling the diffuser are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.