| Patents for F04D 7 - Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts (4,105) | |
|---|---|
| 04/1976 | |
| 04/06/1976 | US3948450 Valve-less pump for liquid manure |
| 03/1976 | |
| 03/02/1976 | US3941505 Method and apparatus for pumping fuel |
| 02/1976 | |
| 02/10/1976 | US3937591 Controlling a sludge flow |
| 02/03/1976 | US3936243 Fuel pump |
| 02/03/1976 | US3936221 Vertical cantilever pump |