| Patents for F01B 15 - Reciprocating-piston machines or engines with movable cylinders other than provided for in group (272) |
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| 08/19/1992 | CN1063741A Radial piston engine |
| 06/24/1992 | EP0491398A1 Radial piston engine |
| 06/20/1992 | CA2057933A1 Radial piston engine |
| 01/08/1992 | EP0464201A1 Rotary sleeve valve-carrying internal combustion engine |
| 12/31/1991 | US5076768 Rotary piston compressor |
| 12/04/1991 | EP0381682B1 Rotary piston compressor |
| 08/16/1990 | EP0381682A1 Rotary piston compressor. |
| 08/07/1990 | CA1272426A1 Combined linear hydraulic motor and transfer valve |
| 08/02/1990 | DE4002782A1 Piston engine with rotary inlet and outlet valves - makes use of control tube rotatable in bush |
| 04/10/1990 | WO1990011432A1 Rotary sleeve valve-carrying internal combustion engine |
| 09/21/1989 | DE3906912A1 Hin- und herbewegliche kolben- und zylinderanordnung fuer verbrennungskraftmaschinen und dergleichen Combustion engine-reciprocating piston and cylinder assembly for and the like |
| 06/14/1989 | EP0319595A1 Crank drive based on a pressure energy source |
| 04/18/1989 | US4822254 Oscillating cylinder pumping arrangement |
| 04/06/1989 | WO1989002985A1 Rotary piston compressor |
| 04/06/1988 | EP0262280A1 Internal combustion engine having movable side walls |
| 04/06/1988 | CN86106958A Reciprocatory machines |
| 03/16/1988 | EP0259900A2 Combined linear hydraulic motor and transfer valve |
| 02/16/1988 | CA1232899A1 Power feed system for a rotary drill |
| 12/15/1987 | US4712467 Combined linear hydraulic motor and transfer valve |
| 06/18/1987 | WO1987003644A1 A device for energy transfer |
| 04/21/1987 | US4658591 Apparatus and process for the fluidization and combustion of fuels |
| 12/11/1985 | EP0164317A1 A reciprocating engine with revolving cylinders |
| 11/19/1985 | US4553912 Cylinder-piston of a rotary compressor |
| 09/10/1985 | US4539893 Power feed system for a rotary drill |
| 07/09/1985 | US4527460 Radial piston machine |
| 09/04/1984 | US4469013 Radial-piston hydraulic motor |
| 08/14/1984 | US4465036 Internal combustion engine |
| 05/30/1984 | EP0025790B1 Fluid pressure machines |
| 02/14/1984 | US4431387 Hermetic refrigeration rotary motor-compressor |
| 02/14/1984 | US4431356 Hermetic refrigeration rotary motor-compressor |
| 12/14/1982 | US4363294 Piston and cylinder machines |
| 11/09/1982 | CA1135061A1 Constant volume, continuous external combustion rotary engine with piston compressor and expander |
| 11/02/1982 | US4356761 Fluid pressure machines |
| 10/13/1982 | EP0062095A1 A radial-piston hydraulic motor |
| 06/29/1982 | US4336686 Constant volume, continuous external combustion rotary engine with piston compressor and expander |
| 05/25/1982 | US4331108 Radial engine |
| 12/29/1981 | US4308018 Trim-tilt device for marine propulsion devices |
| 04/21/1981 | US4262556 Drive mechanism |
| 04/01/1981 | EP0025790A1 Fluid pressure machines. |
| 01/28/1981 | EP0022860A1 Improved fluid power device |
| 10/16/1980 | WO1980002175A1 Fluid pressure machines |
| 10/15/1980 | EP0016997A1 Four-stroke internal-combustion engine with rotary slide valve |
| 10/01/1980 | EP0016381A1 Air-cooled four-stroke internal-combustion engine with rotary slide valve |
| 07/24/1980 | WO1980001500A1 Improved fluid power device |
| 07/22/1980 | CA1081972A1 Pressure fluid operated power plant |
| 07/01/1980 | US4210063 Fluid power device |
| 05/29/1980 | WO1980001092A1 Drive mechanism |
| 01/15/1980 | US4183267 Nested bearing crank mechanism |
| 11/13/1979 | US4174195 Rotary compressor and process of compressing compressible fluids |
| 07/31/1979 | US4162614 Pressure fluid operated power plant |
| 07/10/1979 | CA1058013A1 Valving for dual radial piston motor |
| 04/03/1979 | CA1051716A1 Rotary machine using pressurized fluid |
| 03/20/1979 | US4144799 Fluid machine |
| 01/23/1979 | US4135864 Rotary compressor and process of compressing compressible fluids |
| 01/02/1979 | CA1045508A1 Torque actuator |
| 09/19/1978 | US4114514 Oscillating steam engines |
| 08/08/1978 | US4104955 Compressed air-operated motor employing an air distributor |
| 05/16/1978 | CA1031216A1 Hydraulic rotating machine |
| 02/21/1978 | US4074615 Orbiting motor gear drive |
| 02/21/1978 | US4074614 Valving for dual radial piston motor |
| 10/25/1977 | US4055106 Variable output fluid pump/motor |
| 04/19/1977 | US4018139 Rotary hydraulic machine |
| 04/19/1977 | US4018138 Radial piston pump/motors |
| 03/08/1977 | US4010675 Two stroke mechanism with rotary piston and cylinder-piston movement |
| 09/21/1976 | US3981645 Displaced piston machine |
| 09/21/1976 | US3981414 Beverage dispensing system |
| 08/17/1976 | US3974803 Internal combustion engine with gyratory piston and cylinder movement |
| 07/13/1976 | US3968736 Radial fluid-pressure apparatus |
| 07/06/1976 | US3967535 Uniflow steam engine |
| 03/16/1976 | US3943826 Hydraulic motors and pumps |
| 02/03/1976 | US3935794 Radial piston pump/motors |
| 01/06/1976 | US3930435 Hydraulically powered actuator |