Fluid movement apparatus
US6913420B2 · kind B2 · utility
4Cited by
10References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 7, 2001 |
| Grant date | Jul 5, 2005 |
| Priority date | — |
| Expiry date | Sep 7, 2021 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02D2450/105
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
Apparatus suitable for venting and dispensing gas from an area of ground. The apparatus comprising a passage arrangement locatable in the ground extending generally horizontally and formed from a plurality of self-supporting open units. One or more columns extends downwardly from the passage, the columns being formed of a core material having an open permeable structure. The or each column has a fluid permeable exterior, and is in communication with the passage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.