Soil-gas sampling apparatus
US5235863A · kind A · utility
14Cited by
6References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 29, 1992 |
| Grant date | Aug 17, 1993 |
| Priority date | — |
| Expiry date | May 29, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01V9/007
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Apparatus for soil-gas sampling comprising one or more passive vapor collectors enclosed within a liquid water penetration resistant vapor-permeable container to which means for easy in-ground insertion and retrieval is attached. The apparatus provides protection from water, dirt and mechanical damage to the vapor collector(s) during the insertion, sampling and removal steps and permits retrieval of the container from its in-ground location without the efforts and risks associated with excavation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.