| Patents for F04C 2 - Rotary-piston machines or pumps (14,296) |
|---|
| 04/15/1997 | US5620315 Gear pump for feeding of fluids |
| 04/15/1997 | US5620313 Worm pump for flowable media |
| 04/09/1997 | EP0766789A1 Vane pump |
| 04/09/1997 | CN1146963A Compact electro-hydraulic unit |
| 04/08/1997 | US5618172 Spinning pump for polyamides |
| 04/08/1997 | US5618171 Supply unit with a ceramic internal gear pump |
| 04/08/1997 | US5618165 Variable displacement and constant pressure pump |
| 04/03/1997 | WO1997012147A1 Micromotor and micropump |
| 04/03/1997 | WO1997012124A1 Hydraulic machine having a gear ring which is divided radially into an inside inner part having the first internal toothing and an outside outer part having the second external toothing, which parts are rotatable relative to one another |
| 04/03/1997 | WO1997012123A1 Hydraulic machine having axially joined lateral plates on both sides of gearwheel and gear ring, which plates move jointly with the gearwheel or the gear ring |
| 04/03/1997 | DE19536061A1 Hydraulische Maschine Hydraulic machine |
| 04/03/1997 | DE19536060A1 Hydraulische Maschine Hydraulic machine |
| 04/02/1997 | EP0774057A4 Spherical piston radial action engine |
| 04/02/1997 | CN2251055Y Fluid delivering device |
| 04/02/1997 | CN1146794A Internal toothed belt pump |
| 04/01/1997 | US5616020 Rotary vane pump |
| 04/01/1997 | US5616018 Oil supplying apparatus for a horizontal type rotary compressor |
| 04/01/1997 | US5615801 Juice concentrate package for postmix dispenser |
| 03/27/1997 | WO1997011276A1 Air-conveying device |
| 03/27/1997 | DE19637286A1 Uniaxial eccentric screw type pump |
| 03/26/1997 | EP0764783A1 Moineau pump |
| 03/26/1997 | EP0532657B1 Rotary vane machine with simplified anti-friction positive bi-axial vane motion control |
| 03/25/1997 | US5613846 Filling, fluid-transporting, and pumping device |
| 03/20/1997 | DE19530977A1 Shaft-joint for eccentric-auger-type pump |
| 03/19/1997 | EP0763659A2 Vane pump |
| 03/18/1997 | US5611397 Reverse Moineau motor and centrifugal pump assembly for producing fluids from a well |
| 03/13/1997 | WO1997009533A1 Internally geared pump without filler element |
| 03/13/1997 | DE19545045A1 Pump for liquids or gases with simple and effective construction |
| 03/12/1997 | EP0761970A1 Compact electrohydraulic apparatus |
| 03/12/1997 | EP0761969A1 Screw pump |
| 03/12/1997 | EP0761968A1 Valve for a gerotor motor with hydrostatic bearing |
| 03/12/1997 | EP0760907A1 Vane cell pump |
| 03/11/1997 | US5609479 Forced compression type pump |
| 03/11/1997 | US5609474 For pumping lubricant from an oil pan |
| 03/05/1997 | EP0746672A4 Positive displacement pump apparatus |
| 03/05/1997 | EP0485473B1 Improved commutator for orbiting gerotor-type pumps and motors |
| 03/04/1997 | US5606856 Arrangement for an after treatment of exhaust gases from an internal combustion engine |
| 02/27/1997 | WO1997007337A1 Outlet pressure control for internal gear pump |
| 02/27/1997 | DE19631798A1 Heart prosthesis with reduced volume |
| 02/27/1997 | DE19531319A1 Processing elastomer stators for eccentric spiral pumps |
| 02/27/1997 | DE19531318A1 Stator with jacket, for eccentric spiral pump |
| 02/27/1997 | DE19530978A1 Flexible drive for eccentric worm pump |
| 02/26/1997 | CN2248256Y Liquid uptaking and discharging apparatus for self-suction pump |
| 02/26/1997 | CN1143994A Spherical piston radial action engine |
| 02/25/1997 | US5605451 Fluid apparatus of an internal gear type having defined tooth profiles |
| 02/25/1997 | US5605448 AC fuel pump |
| 02/18/1997 | US5603608 Methods and apparatus for monitoring progressive cavity pumps |
| 02/13/1997 | WO1997005391A1 Calculation and precision processing of cardiocle and expanded cardioid casing curved surfaces for eccentric rotor vane pumps |
| 02/13/1997 | DE19547041C1 Flügelzellenpumpe für das Fördern von Dickstoffen Vane pump for conveying thick materials |
| 02/12/1997 | CN2247243Y Radial plunger pump |
| 02/12/1997 | CN1142576A Gear pump or motor |
| 02/11/1997 | US5601422 Assembly for feeding fuel out of a supply tank to an internal combustion engine |
| 02/11/1997 | US5600951 Hydraulic transmission system |
| 02/05/1997 | EP0699276B1 Pumping process for operating a multi-phase screw pump and pump |
| 01/29/1997 | EP0756085A2 Gerotor motor and commuting valve |
| 01/28/1997 | US5597291 Fuel feed pump for a fuel injection pump for internal combustion engines |
| 01/22/1997 | EP0754859A2 Gear wheel with bore |
| 01/22/1997 | EP0754858A1 Gear machine |
| 01/22/1997 | EP0754273A1 Mechanical oil pump for a variable speed hermetic compressor |
| 01/22/1997 | CN1140803A Scroll compressor having suction check valve |
| 01/22/1997 | CN1033873C An oil pump for a closed type compressor |
| 01/21/1997 | US5595479 Hydraulic machine having teeth formed by rollers |
| 01/21/1997 | US5595214 Hydraulic coupling for vehicle drivetrain |
| 01/16/1997 | WO1997001711A1 Electrohydraulic control arrangement for a rotary hydraulic motor |
| 01/15/1997 | EP0753665A1 Gear pump |
| 01/14/1997 | US5593296 Hydraulic motor and pressure relieving means for valve plate thereof |
| 01/08/1997 | CN1139974A Positive displacement pump apparatus |
| 01/02/1997 | EP0751296A1 Internal gear pump |
| 01/02/1997 | DE19522768A1 Elektrohydraulische Steuerungseinrichtung für einen Rotations-Hydromotor Electro-hydraulic control device for a rotary hydraulic motor |
| 12/27/1996 | WO1996041951A1 Hydraulic planetary piston motor |
| 12/27/1996 | WO1996041950A1 Hydraulic planetary piston motor |
| 12/27/1996 | EP0750117A1 Screw pump and screw of a screw pump |
| 12/27/1996 | EP0749530A1 Dosing cap |
| 12/19/1996 | WO1996041090A1 Hydraulic coupling for vehicle drivetrain |
| 12/19/1996 | WO1996041080A1 Microfabricated, tube located gear pump system |
| 12/19/1996 | DE19521970A1 Pump with rotary driven impeller in housing |
| 12/18/1996 | EP0748939A1 Electromotor-pump assembly |
| 12/12/1996 | DE19520923A1 Rotary piston pump with C-shaped pump chamber |
| 12/12/1996 | DE19520922A1 Rotary piston pump with pump chamber and stator and C=shaped annular rotary piston |
| 12/12/1996 | DE19520405A1 Hydraulischer Kreiskolbenmotor Hydraulic rotary engine |
| 12/12/1996 | DE19520402A1 Hydraulischer Kreiskolbenmotor Hydraulic rotary engine |
| 12/11/1996 | EP0747111A1 Method for enhancing the filtration performance of cross-flow filters in modules from filtration plants |
| 12/11/1996 | EP0746672A1 Positive displacement pump apparatus |
| 12/11/1996 | EP0746670A1 Meshing type rotors |
| 12/10/1996 | US5582514 Sickleless internal gear pump |
| 12/10/1996 | US5582510 Assembly for feeding fuel from a supply tank to an internal combustion engine |
| 12/04/1996 | EP0745774A2 Variable-delivery pump |
| 12/03/1996 | US5580401 Gray cast iron system for scroll machines |
| 12/03/1996 | US5580227 Rotary piston pump having synchrously driven dividing slides and dosing device |
| 11/28/1996 | WO1996037705A1 Bearing system for the shaft of a pump for conveying media of differing viscosity |
| 11/28/1996 | WO1996037704A1 Machine based on an internally geared wheel |
| 11/21/1996 | WO1996036557A1 Juice concentrate package for postmix dispenser |
| 11/21/1996 | WO1996036556A1 Postmix juice dispenser |
| 11/21/1996 | DE19532703C1 Pump or hydraulic motor with inner and outer rotors |
| 11/20/1996 | EP0743453A2 Vane pump |
| 11/20/1996 | EP0678151B1 Downhole roller vane motor and roller vane pump |
| 11/14/1996 | DE19616650A1 Gaseous coolant piston compression with improved start lubrication |
| 11/14/1996 | DE19517296A1 Lining-free gear pump with inner toothing |
| 11/12/1996 | US5573388 Eccentric pump with lock valve and with bidirectional rotational operation |
| 11/12/1996 | US5573035 Guided vanes hydraulic power system |