| Patents for F04C 3 - Rotary-piston machines or pumps, with non-parallel axes of movement of co-operating members, e.g. of screw type (370) |
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| 03/04/2015 | EP2841695A1 Rotary piston engine which acts as a pump, condenser or motor for a fluid |
| 01/22/2015 | DE10296120B4 Radialverdichter für Beatmungsgeräte Centrifugal compressor for ventilators |
| 01/14/2015 | EP2823148A2 Rotor mechanism |
| 01/12/2015 | DE202014009234U1 Kugelkompressor oder Pumpe Ball compressor or pump |
| 12/31/2014 | CN102171457B 输送装置 Delivery device |
| 12/24/2014 | CN104246130A 作为用于流体的泵、压缩机或马达的旋转活塞机 As for the rotary piston machine fluid pump, compressor or motor |
| 12/17/2014 | CN102301141B 具有外转子电动机的旋转活塞式机器 A rotary piston machine with external rotor motors |
| 12/02/2014 | US8899948 Fretting-corrosion-prevention oscillating vane type pump actuator |
| 11/18/2014 | US8887592 Spherical involute gear coupling |
| 09/16/2014 | CA2656886C Method of operation of a spherical positive displacement rotary machine and devices for carrying out said method |
| 07/03/2014 | WO2013174538A3 Manually-driven rotary piston machine |
| 06/25/2014 | EP2745014A2 Motor/pump combination |
| 06/25/2014 | CN103890401A 输送单元 Delivery unit |
| 06/18/2014 | EP2742240A2 Rotary piston machine operating as a pump, a compressor or a motor |
| 04/23/2014 | CN203560094U Single-screw double-star-wheel water pump |
| 04/08/2014 | US8689766 Spherical two stroke engine system |
| 03/26/2014 | EP2710266A1 Pump, pump system and method for pumping a medium |
| 03/20/2014 | WO2013057112A3 Feed unit |
| 01/29/2014 | CN103547807A Pump, pump system and method for pumping a medium |
| 01/29/2014 | CN103541896A Single-screw and double-star-wheel water pump |
| 12/19/2013 | WO2013132237A3 Rotor mechanism |
| 12/12/2013 | WO2013182922A1 Progressive cavity pump |
| 12/12/2013 | WO2013023916A3 Motor/pump combination |
| 12/04/2013 | CN103429897A Delivery unit |
| 10/31/2013 | WO2013159946A1 Rotary piston engine which acts as a pump, condenser or motor for a fluid |
| 10/31/2013 | DE102012206797A1 Drehkolbenmaschine, die als Pumpe, Verdichter oder Motor für ein Fluid wirkt Rotary piston machine acting as a pump, compressor or motor for a fluid |
| 08/14/2013 | EP2625427A2 Fluid transmission |
| 07/25/2013 | WO2013109170A1 Three-dimensional spherical rotary machine |
| 07/24/2013 | EP2616685A2 Delivery unit |
| 06/13/2013 | WO2012045837A3 Fluid transmission |
| 05/10/2013 | WO2013020869A3 Rotary piston machine operating as a pump, a compressor or a motor |
| 05/02/2013 | WO2013062447A1 Gear system (alternatives) and positive displacement rotary machines using the latter |
| 04/25/2013 | DE102011084828A1 Förderaggregat Delivery unit |
| 04/11/2013 | US20130089455 Delivery unit |
| 04/04/2013 | WO2012034759A3 Delivery unit |
| 04/03/2013 | CN103026070A Delivery unit |
| 03/27/2013 | CN101443554B 旋转活塞机械 Rotary piston machine |
| 03/13/2013 | CN101311537B Tapered rotor assemblies for a supercharger |
| 02/21/2013 | DE102011081142A1 Motor-Pumpen-Kombination Motor-pump combination |
| 02/14/2013 | WO2011117087A3 Delivery unit |
| 02/12/2013 | CA2536279C Rotary piston machine |
| 02/06/2013 | EP2553271A2 Delivery unit |
| 01/23/2013 | EP2549058A1 Volumetric rotary machine |
| 12/12/2012 | CN102822448A Volumetric rotary machine |
| 12/05/2012 | EP2530241A1 Positive-displacement rotary machine |
| 11/29/2012 | WO2012161574A1 Pump, pump system and method for pumping a medium |
| 11/14/2012 | CN102782254A Positive-displacement rotary machine |
| 11/14/2012 | CN101846072B Egg shape conical gear pump |
| 10/30/2012 | US8297239 Gyroscopic rotary engine |
| 06/28/2012 | WO2012084289A2 Pump, compressor, or motor |
| 06/21/2012 | DE102010063532A1 Pumpe, Verdichter oder Motor mit kleinem Durchmesser-Längenverhältnis Pump, compressor or motor small-diameter-length ratio |
| 06/21/2012 | DE102010063522A1 Pumpe, Verdichter oder Motor Pump, compressor or motor |
| 06/21/2012 | DE102010063506A1 Pumpe, Verdichter oder Motor mehrstufig oder mehrflutig Pump, compressor or motor or multistage multiflow |
| 04/12/2012 | WO2012045837A2 Fluid transmission |
| 04/12/2012 | DE102010063547A1 Pumpe, Verdichter oder Motor mehrstufig oder mehrflutig Pump, compressor or motor or multistage multiflow |
| 04/12/2012 | DE102010063517A1 Pumpe, Verdichter oder Motor mehrstufig oder mehrflutig Pump, compressor or motor or multistage multiflow |
| 03/27/2012 | US8141475 Piston machine |
| 03/27/2012 | CA2528017C Rotary engine |
| 03/15/2012 | DE102010040758A1 Förderaggregat Delivery unit |
| 03/14/2012 | EP1664541B1 Rotating piston machine |
| 01/05/2012 | WO2012002584A1 Three-dimensional spherical rotary-piston machine |
| 12/28/2011 | CN102301141A 具有外转子电动机的旋转活塞式机器 A rotary piston machine with external rotor motors |
| 12/28/2011 | CN102301140A 具有叶轮的容积式泵及其制造方法 Positive displacement pump having an impeller and a manufacturing method |
| 10/05/2011 | EP2371405A1 Artificial heart |
| 10/05/2011 | EP2370698A2 Apparatus for pumping liquids or fluids, comprising a housing |
| 09/29/2011 | WO2011117087A2 Delivery unit |
| 09/29/2011 | DE102010003319A1 Förderaggregat Delivery unit |
| 09/28/2011 | EP2368042A1 Positive displacement pump with impeller and method of manufacturing |
| 09/22/2011 | WO2011115528A1 Volumetric rotary machine |
| 09/22/2011 | CA2793454A1 Volumetric rotary machine |
| 08/31/2011 | CN102171457A Delivery unit |
| 07/28/2011 | WO2011090408A1 Positive-displacement rotary machine |
| 07/28/2011 | CA2788321A1 Positive-displacement rotary machine |
| 07/13/2011 | EP1830904B1 Artificial heart |
| 06/30/2011 | WO2011078744A1 Rotary volumetric machine |
| 06/15/2011 | EP2331822A2 Delivery unit |
| 05/26/2011 | WO2011062523A1 Rotary volumetric machine |
| 05/10/2011 | CA2654579C Positive-displacement rotary machine |
| 04/28/2011 | DE102009050914A1 Rotary machine for production of torque or for pumping fluids, comprises slider holder-slider-pair, which is surrounded partially with surface areas staying in acute angle to each other |
| 03/17/2011 | WO2010086267A3 Rotary piston engine having an external rotor motor |
| 03/10/2011 | WO2010045929A3 Device for generating an oscillating fluid flow, and device for generating an oscillating lift of a tool |
| 02/17/2011 | DE102008012374B4 Rotationskolbenmachine Rotary piston machine |
| 01/27/2011 | US20110020162 Screw rotor |
| 01/12/2011 | EP2271839A2 Low pressure pump |
| 01/06/2011 | WO2010063765A3 Apparatus for pumping fluids |
| 12/21/2010 | CA2498002C Insulating concrete form and welded wire form tie |
| 10/28/2010 | US20100269688 Piston Machine |
| 10/07/2010 | DE102009015534A1 Spherical piston pump for conveying liquid or gas medium, has controlled piston rotatably mounted around controlled axle in housings, and rotary axle of controlled piston inclined around angle opposite to drive shaft |
| 09/29/2010 | CN101846072A Egg shape conical gear pump |
| 07/29/2010 | DE102009006521A1 Drehkolbenmaschine Rotary engine |
| 07/22/2010 | WO2010037620A3 Delivery unit |
| 07/01/2010 | WO2010073215A1 Positive displacement pump with impeller and method of manufacturing |
| 06/10/2010 | WO2010063765A2 Apparatus for pumping liquids or fluids, comprising a housing |
| 06/01/2010 | US7726960 Twin-plate rotary compressor |
| 04/29/2010 | US20100104462 Pump or motor |
| 04/28/2010 | EP2179142A2 Spur gear-type recirculation pump |
| 04/15/2010 | DE202008015912U1 Vorrichtung zum Pumpen von Flüssigkeiten oder Fluiden mit einem Gehäuse A device for pumping liquids or fluids with a housing |
| 04/08/2010 | DE102008042564A1 Förderaggregat Delivery unit |
| 03/25/2010 | DE102006009198B4 Schwenkkolbenmaschine Rotary-piston engine |
| 02/18/2010 | WO2010018053A2 Spur gearwheel pump |