| Patents for F04C 2 - Rotary-piston machines or pumps (14,296) |
|---|
| 07/01/1999 | DE19758086A1 Elastomeric stator for eccentric screw- or mono pump |
| 06/30/1999 | EP0926043A2 Improved torque generator steering device |
| 06/30/1999 | EP0925453A1 Vane cell pump |
| 06/30/1999 | EP0925452A1 Screw rotor set |
| 06/30/1999 | CN2326755Y Painting pump |
| 06/30/1999 | CN2326754Y Moving-vane rotary compressor structure |
| 06/30/1999 | CN1221476A Progressive cavity pump |
| 06/30/1999 | CN1221075A Coaxial multi-slip-sheet wave-ring rotor machine |
| 06/30/1999 | CN1220955A Improved torque generator steering device |
| 06/24/1999 | WO1999031389A2 Method of making stators for moineau pumps |
| 06/24/1999 | DE19857560A1 Pump unit without own bearing |
| 06/23/1999 | CN2325559Y Multi-disc and blade-less pump |
| 06/23/1999 | CN1043804C Spherical piston radial action engine |
| 06/16/1999 | EP0922859A2 Moineau pump |
| 06/16/1999 | EP0636203B1 Variable displacement pump |
| 06/16/1999 | CN2324317Y Device capable of being as liquid transfer pump and hydraulic motor |
| 06/16/1999 | CN1219649A Enhanced flow compressor discharge port entrance |
| 06/15/1999 | US5911567 Positive displacement pump apparatus |
| 06/10/1999 | WO1999028630A1 Driven equipment for fluid machinery |
| 06/10/1999 | DE19854155A1 Hydraulic gear pump or motor for vehicle units |
| 06/10/1999 | DE19802025C1 Grinding pump for pumping waste water contg. solid material |
| 06/10/1999 | CA2255376A1 Method of producing elastomeric stators for eccentric spiral pumps |
| 06/09/1999 | EP0921315A2 Compressor discharge port with valve |
| 06/09/1999 | EP0921314A1 Roller vane pump |
| 06/09/1999 | EP0920588A1 Medical gear pump for suctioning and rinsing |
| 06/09/1999 | CN2323174Y Central disk hydraulic pump |
| 06/09/1999 | CN1218877A Rotary compressor cylinder assembly |
| 06/03/1999 | WO1999027255A1 Swivelling vane pump |
| 06/03/1999 | WO1999027254A1 Progressive cavity motors using composite materials |
| 06/02/1999 | CN2321958Y Centrifugal pressure-jetting oil membrane type vane pump |
| 06/02/1999 | CN1218544A Sliding vane pump with plastic housing |
| 06/01/1999 | US5908289 Gear machines with improved kinematics |
| 06/01/1999 | US5908067 Apparatus for making herringbone gears and pumps incorporating the same |
| 05/27/1999 | WO1999025954A1 Positive-displacement piston mechanism of rotary piston structure |
| 05/25/1999 | CA2121131C Rotary machine |
| 05/20/1999 | WO1999024716A1 Pump |
| 05/18/1999 | CA2216217A1 Inertial pump |
| 05/12/1999 | EP0915257A2 Positive displacement hydraulic machine |
| 05/12/1999 | EP0819218B1 Positive displacement hydraulic machines |
| 05/12/1999 | EP0682754B1 Vehicle drivetrain hydraulic coupling |
| 05/12/1999 | DE19802443C1 Pump with housing in which is pump unit |
| 05/12/1999 | CN2318429Y Anti-tripping device for screw pump |
| 05/12/1999 | CN1216596A Progressive cavity pump using composite materials |
| 05/06/1999 | WO1999022142A1 Internal gear machine |
| 05/05/1999 | CN1215810A Gerotor motor and parking lock assembly therefor |
| 05/05/1999 | CN1215801A Helical impeller compressor |
| 04/29/1999 | WO1999020904A1 Downhole roller vane motor and roller vane pump |
| 04/29/1999 | DE19847003A1 Inner toothed machine with an outer toothed pinion |
| 04/29/1999 | DE19746983A1 Inner toothed machine, e.g. for use as pump, with an outer toothed pinion |
| 04/29/1999 | CA2306622A1 Downhole roller vane motor and roller vane pump |
| 04/28/1999 | EP0911525A1 Gerotor motor and parking lock assembly therefor |
| 04/28/1999 | EP0911524A1 Internal gear pump |
| 04/28/1999 | EP0910746A1 Vane-cell pump |
| 04/22/1999 | WO1999019629A1 Positive-displacement pump |
| 04/22/1999 | WO1999019606A1 A fluid transmission apparatus |
| 04/22/1999 | WO1999019605A1 Improved stator especially adapted for use in a helicoidal pump/motor |
| 04/22/1999 | DE19848307A1 Motor or pump assembly |
| 04/22/1999 | DE19846815A1 Valve device for pump |
| 04/22/1999 | DE19745010A1 Hydraulic motor with at least one gearwheel set section, one supply section and one front section |
| 04/22/1999 | DE19742669A1 Catheter |
| 04/22/1999 | CA2306859A1 Improved stator especially adapted for use in a helicoidal pump/motor |
| 04/21/1999 | CN1214416A Reel pump for liquid conveyance |
| 04/20/1999 | US5895421 Artificial heart |
| 04/20/1999 | US5895210 Turbo machine rotor made of sheet metal |
| 04/20/1999 | US5895209 Variable capacity pump having a variable metering orifice for biasing pressure |
| 04/15/1999 | DE19847082A1 Rotary pump for brake system of vehicle |
| 04/07/1999 | EP0907023A1 Sliding member made of sintered aluminum alloy and oil pump |
| 04/07/1999 | EP0906512A1 Vane pump |
| 04/07/1999 | EP0746670B1 Meshing type rotors |
| 04/07/1999 | CN2313081Y Straightway self-suction vane-pump for ship |
| 04/07/1999 | CN2313080Y Reel pump for delivering liquid |
| 04/06/1999 | US5890885 Filling member-less internal-gear pump having a sealed running ring |
| 04/06/1999 | US5890813 Stuffing pump for use in apparatus for stuffing sausages or the like |
| 03/31/1999 | CN2312349Y Floating shaft type gear pump having side plate |
| 03/31/1999 | CN2312348Y Toothed gearing pump |
| 03/30/1999 | US5888163 Hydraulic coupling for vehicle drivetrain |
| 03/24/1999 | EP0835382B1 Rotary hydraulic motor with electrohydraulic control arrangement |
| 03/24/1999 | CN1211686A Helical lobe compressor |
| 03/23/1999 | US5885065 Method and pump for pumping liquid containing solids |
| 03/18/1999 | WO1999012587A1 A rotary pump with hydrodynamically suspended impeller |
| 03/17/1999 | EP0902188A1 Screw compressor |
| 03/17/1999 | CN1210945A Scroll compressor |
| 03/11/1999 | WO1999011935A1 Internal gear pump |
| 03/10/1999 | EP0900939A1 Scroll compressor |
| 03/10/1999 | CN1210577A Twin-cylinder impeller pump |
| 03/10/1999 | CN1210204A Oil pump with honeycomb porous paddles |
| 03/09/1999 | US5878632 Automatic transmission, in particular for motor vehicles |
| 03/04/1999 | DE19802137C1 Gear pump for fluids |
| 03/03/1999 | CN2309445Y Pump with turbine device |
| 03/02/1999 | US5876193 Oil pump rotor having a generated cycloid curve |
| 02/25/1999 | WO1999009322A1 Low noise suction pump |
| 02/25/1999 | DE19735245A1 Gearwheel machine such as pump or engine |
| 02/24/1999 | EP0864045A4 Fluid pump with bearing set having lubrication path |
| 02/24/1999 | CN2308734Y High efficiency hydraulic geared pump |
| 02/24/1999 | CN2308733Y Reverable internally engaging pump |
| 02/24/1999 | CN1208818A Gear ring pump |
| 02/24/1999 | CN1042259C Conveying screw pair used for rotating compresive pump |
| 02/23/1999 | US5873243 Torque generator steering device |
| 02/17/1999 | CN2307934Y Circular cycloidal pump |
| 02/17/1999 | CN2307933Y Flexible contact rotating displacement pump |