| Patents for B04C 1 - Apparatus in which the main direction of flow follows a flat spiral (205) | |
|---|---|
| 04/1980 | |
| 04/15/1980 | US4198290 Dust separating equipment |
| 02/1980 | |
| 02/06/1980 | EP0007458A1 Process and apparatus for separating dust by centrifugal force |
| 07/1979 | |
| 07/31/1979 | US4162901 Vortex gas separator |
| 01/1977 | |
| 01/04/1977 | US4001121 Gases or liquids |
| 04/1976 | |
| 04/06/1976 | US3948771 Method and apparatus for separating suspended matter from a fluid by centrifugal force |