Liquid waste evacuation and transfer system
US4997003A · kind A · utility
Inventor
Key dates
| Filing date | Jan 12, 1990 |
| Grant date | Mar 5, 1991 |
| Priority date | — |
| Expiry date | Jan 12, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/86372
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A method and apparatus for evacuating and transferring liquid waste comprising a pump assembly that is connected to a holding tank and to a liquid container; the pump assembly being mounted on a wall and elevated above the holding tank; the pump assembly including a flexible hose detachably mounted on one end to said pump assembly and which is adapted to be connected at a second end to an aperture in the container, the aperture in the container being connected to a suction mechanism extending to the bottom of the container to permit the pump assembly to drain substantially all of the liquid waste from the liquid container and into the holding tank.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.