| Patents for F04B 17 - Pumps characterised by combination with, or adaptation to, specific driving engines or motors (9,703) | |
|---|---|
| 02/1976 | |
| 02/10/1976 | US3937599 Pumping system using solar energy |
| 02/03/1976 | US3936235 Fuel oil supply means |
| 01/1976 | |
| 01/20/1976 | US3932989 Resonant gas-expansion engine with hydraulic energy conversion |