| Patents for F04C 9 - Oscillating-piston machines or pumps (230) |
|---|
| 07/17/1990 | US4941554 Hydraulic torque resistance device |
| 07/10/1990 | WO1990007632A1 Power conversion machine with pistons rotating in pairs relative to each other in a spherical housing |
| 05/02/1990 | EP0365651A1 Device for dosing liquid or free-flowing materials |
| 01/31/1990 | EP0353133A1 Reciprocating-piston pump, especially a manually actuated one |
| 11/09/1989 | DE3814681A1 Vorrichtung zum dosieren von fluessigen oder fliessfaehigen stoffen Apparatus for dispensing liquids and materials fliessfaehigen |
| 11/02/1989 | WO1989010488A1 Device for dosing liquid or free-flowing materials |
| 06/07/1989 | EP0318890A2 Pump with an oscillating piston |
| 04/05/1989 | CN1032225A Fully sealed magnetic pendulum pump |
| 11/02/1988 | CN87101507A Conical ring plate rotating piston pump |
| 10/26/1988 | CN87212679U Totally sealed magnetic oscillating pump |
| 04/26/1988 | CA1235605A1 Toroidal motor/pump |
| 01/13/1987 | US4636157 Toroidal motor or pump |
| 10/22/1986 | CN85103071A Oscillatory magnetic pump and vibrator magnetic pump |
| 09/04/1985 | EP0153766A1 Toroidal motor/pump |
| 11/28/1984 | EP0126236A1 New explosion-type engine |
| 02/01/1983 | US4371320 Semi-rotary hydraulic pump |
| 01/19/1982 | US4310930 Rigid-vane artifical heart |
| 09/02/1981 | EP0034641A1 Spherical piston pump |
| 03/10/1981 | CA1097225A1 Seal grid system for a rotary piston mechanism |
| 10/01/1980 | EP0016209A1 Axial reciprocating piston pump with control and inversion of flow |
| 06/10/1980 | US4207039 Seal grid system for a rotary piston mechanism |
| 06/10/1980 | CA1079237A1 Mechanically operated dispensing device with means for increasing discharge pressure and dispensing time |
| 04/03/1980 | WO1980000599A1 Axial reciprocating piston pump with control and inversion of flow |
| 03/18/1980 | US4193743 Oscillatory pump for the transport of viscous materials |
| 12/04/1979 | US4176764 Mechanically operated mixing dispenser having a plurality of expansible chambers and a plurality of accumulating chambers |
| 10/30/1979 | CA1065188A1 Piston pump for conveying semi-fluid materials |
| 09/18/1979 | US4167941 Mechanically operated dispensing device for increasing discharge pressure and dispensing time |
| 03/06/1979 | CA1049846A1 Rotary machine |
| 12/26/1978 | US4131394 Method for transport of manure and a device according to the method |
| 03/21/1978 | US4080114 Oscillating positive displacement machine |