Devices and methods for trapping non-aqueous-phase liquids and venting gas from subaqueous sediment
US9085021B1 · kind B1 · utility
2Cited by
10References
40Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 15, 2013 |
| Grant date | Jul 21, 2015 |
| Priority date | — |
| Expiry date | Mar 15, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB09C1/007
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
Devices and methods for preventing migration of buoyant contaminants from subaqueous contaminated sediment while providing for venting of gas that migrates from the contaminated sediment are described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.