Method and apparatus for removing a liquid phase floating on a surface of groundwater
US5154538A · kind A · utility
7Cited by
7References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 21, 1990 |
| Grant date | Oct 13, 1992 |
| Priority date | — |
| Expiry date | Nov 21, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB09C1/007
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
An assembly for removing a liquid phase floating on a surface of groundwater includes a lifting device changing a position of a bucket-shape vessel receiving the liquid phase through an inlet aperture in response to a signal generated by a measuring device monitoring a level of the liquid phase.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.