Screening apparatus for removing coarse material from fluids including a screen cleaner
US4184957A · kind A · utility
13Cited by
5References
14Claims
0Family size
Inventor
Key dates
| Filing date | Oct 20, 1977 |
| Grant date | Jan 22, 1980 |
| Priority date | — |
| Expiry date | Oct 20, 1997 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02B8/026
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A pair of screens are arranged one behind the other and served by a common cleaning rake for the removal of the screenings from both screens in a single operating step.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.