Ground water sampling device
US5327981A · kind A · utility
9Cited by
11References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 21, 1992 |
| Grant date | Jul 12, 1994 |
| Priority date | — |
| Expiry date | Sep 21, 2012 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B49/08
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A groundwater sampler is disclosed which is adapted for reuse at multiple depths during a single boring, which is simple in design, which may be built with but a small number of parts, which is easy to used which is easy to decontaminate, and which is resistant to clogging from silts and fine sands.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.