| Patents for F04C 11 - Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations (1,800) |
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| 11/18/2004 | US20040228744 Refrigerant pump |
| 11/09/2004 | US6814549 Liner for fluid pump motor |
| 11/04/2004 | US20040219035 Motor-pump unit |
| 10/28/2004 | WO2004092588A1 Oil and vacuum pumps group for a motor vehicle engine |
| 10/28/2004 | US20040213680 Multistage gear pump |
| 10/27/2004 | EP1471250A1 Fuel Injection Pump |
| 10/26/2004 | US6807951 High-pressure fuel pump with integrated blocking-vane prefeed pump |
| 10/21/2004 | DE19627405B4 Pumpenanordnung Pump assembly |
| 10/14/2004 | DE10314488A1 Electro-hydraulic motor type oil circulating machine, has two separate housings, one for toothed ring and other for gearwheels |
| 10/06/2004 | CN1534196A 可变容量旋转压缩机 Variable capacity rotary compressor |
| 10/06/2004 | CN1534195A 齿轮泵 Gear pumps |
| 10/06/2004 | CN1534185A 燃油喷射泵 Fuel injection pump |
| 09/30/2004 | WO2002081913A3 Hydraulic pump unit |
| 09/30/2004 | US20040191074 Fuel injection pump |
| 09/29/2004 | EP1461533A1 Pump |
| 09/28/2004 | CA2317014C Series for compressed air motors with torque which can be theoretically output in a varied manner and a method for producing the individual compressed motors of said series |
| 09/22/2004 | EP1044332B1 Series for compressed air motors with torque which can be theoretically output in a varied manner |
| 09/16/2004 | US20040179953 Gear pump |
| 09/15/2004 | EP1457678A1 Gear pump |
| 09/15/2004 | CN1529679A Device for thickening or dewatering sludge, watery, sediments or the like, espeically surplus sludge in sewage treantment plants |
| 09/07/2004 | US6786709 Gear pump with a drive and a hydraulic tank |
| 09/02/2004 | DE10307566A1 Elektrohydraulisches Doppelpumpen-Doppelmotor-Aggregat für eine selbstfahrende Arbeitsmaschine, insbesondere Flurförderzeug Electro-hydraulic double pump double motor unit for a self-propelled machine, especially truck |
| 08/31/2004 | US6783340 Rotor with a hydraulic overbalancing recess |
| 08/26/2004 | WO2004072444A1 Pump combination |
| 08/26/2004 | WO2004071845A1 Motor-pump unit |
| 08/12/2004 | US20040156729 Feed and scavenge pump arrangement |
| 08/12/2004 | DE19945122B4 Hydraulische Steuereinrichtung Hydraulic control device |
| 08/12/2004 | DE10304121A1 Motorpumpenaggregat Motor pump unit |
| 08/05/2004 | DE10302894A1 Pump unit for solar plant, has pump, driven by drive shaft that is turn driven by an electric engine, which has a cylindrical body for subsequent mounting into the cylindrical mounting opening of a pump holder |
| 08/04/2004 | EP1443210A2 Motor-pump unit |
| 07/28/2004 | EP1441126A2 Multistage gear pump |
| 07/22/2004 | WO2004061309A1 Electric internal gear pump |
| 07/21/2004 | EP1438510A2 Vacuum pump |
| 07/21/2004 | EP1317790B1 Liquid-cooled electromotor |
| 07/21/2004 | CN1513606A Hot melt adhesive distributing and spreading unit having independent gear pump assembly |
| 07/20/2004 | US6764284 Pump mount using sanitary flange clamp |
| 07/15/2004 | US20040136847 Motor-driven pump unit |
| 07/13/2004 | US6761547 Trochoid gear type fuel pump |
| 07/13/2004 | US6761144 Rotary engine with counter-rotating housing and output shaft mounted on stationary spindle |
| 07/13/2004 | US6761037 Vehicle air conditioner using a hybrid compressor |
| 07/07/2004 | EP1435460A2 Feed and scavenge pump arrangement |
| 07/06/2004 | US6758656 Multi-stage internal gear/turbine fuel pump |
| 07/01/2004 | DE10356855A1 Kraftstoffzufuhreinheit Fuel supply unit |
| 06/30/2004 | CN1508420A Fuel-supplying apparatus |
| 06/17/2004 | US20040113109 Electro-hydrostatic actuator |
| 06/16/2004 | EP1429029A2 Hot melt adhesive dispensing applicator assembly with independent gear pump assemblies |
| 06/10/2004 | WO2004048781A1 Beverage mixing and dispensing apparatus and pumps for use therein |
| 06/10/2004 | US20040109773 Fuel supply unit |
| 06/09/2004 | DE10354719A1 Air or hydraulic oil delivery arrangement for vehicle pneumatic or hydraulic system, has valves for controlling two delivery units either individually or in group |
| 06/03/2004 | WO2004045749A1 Proportioning, regenerative, rotary pump |
| 06/03/2004 | US20040105761 High-pressure fuel pump with integrated blocking-vane prefeed pump |
| 05/26/2004 | CN1499086A Cock fittings system for navigation tool |
| 05/19/2004 | DE20305937U1 Rotary piston pump with integrated hydraulic motor has synchronizing gear unit formed as gear pump with intakes and outlets for pumped medium and hydraulic fluid |
| 05/19/2004 | DE10249524A1 Fluid-Versorgungseinheit, insbesondere hydraulische Versorgungseinheit Fluid supply unit, especially hydraulic power unit |
| 05/18/2004 | US6736900 Highly-viscous-fluid applying apparatus capable of controlling delivery amount of fluid |
| 05/18/2004 | US6736609 Support apparatus for movable member and pump apparatus |
| 05/13/2004 | DE10249494A1 Motorpumpenaggregat Motor pump unit |
| 05/12/2004 | EP1418342A1 Vessel comprising a valve system |
| 05/12/2004 | EP1417397A1 Single-degree-of-freedom controlled-clearance univane?tm fluid-handling machine |
| 05/11/2004 | US6733249 Multi-stage internal gear fuel pump |
| 05/11/2004 | US6732700 Oil pump unit for engine |
| 05/06/2004 | WO2004038220A1 Fluid supply unit, in particular hydraulic supply unit |
| 05/04/2004 | US6729855 Oil pump and gears |
| 05/04/2004 | US6729307 Bypass/leakage cooling of electric pump |
| 04/28/2004 | EP1413757A2 Assembly of a motor and a pump |
| 04/21/2004 | EP1411246A2 Internal gear pump with a toothed ring gear and an interacting pinion gear |
| 04/15/2004 | DE10341897A1 Getriebe-Baugruppe für eine Kraftstoffpumpe in Kraftfahrzeugen mit Funktionen zum Heben und zum Schmieren Gear assembly for a fuel pump in motor vehicles with features designed to handle and lubrication |
| 04/14/2004 | EP1407145A1 Hydraulic motor system |
| 04/13/2004 | CA2163711C Pumping system and method including a displacement pump and application of said system and method to bypassed wells |
| 03/25/2004 | WO2003083311B1 Motor pump |
| 03/25/2004 | US20040055843 Power generation and actuating system |
| 03/24/2004 | EP1399646A1 Combustion engine |
| 03/18/2004 | US20040052670 Rotor with a hydraulic overbalancing recess |
| 03/17/2004 | EP1397311A2 Device for thickening or dewatering sludge, watery sediments or the like, especially surplus sludge in sewage treatment plants |
| 03/10/2004 | EP1396639A1 Gerotor pump |
| 03/03/2004 | EP1394416A2 Dual discharge hydraulic pump and system therefor |
| 02/26/2004 | US20040037709 Portable hydraulic pump unit |
| 02/24/2004 | US6695604 Automotive fuel pump gear assembly having lifting and lubricating features |
| 02/12/2004 | WO2004013386A2 Device and method for injecting a liquid colour into a polymer melt |
| 02/12/2004 | DE10233468A1 Vorrichtung und Verfahren zum Einspeisen einer flüssigen Farbe in eine Polymerschmelze Apparatus and method for injecting a liquid dye into a polymer melt |
| 02/11/2004 | EP1388131A1 Improved fluid metering device |
| 02/10/2004 | US6688498 Hot melt adhesive supply system with independent gear pump assemblies |
| 02/05/2004 | US20040020539 Bilateral power pump unit |
| 01/29/2004 | WO2003083311A3 Motor pump |
| 01/22/2004 | WO2004007968A1 Volume screw machine of rotary type |
| 01/22/2004 | WO2004007967A1 Volume screw machine of rotary type |
| 01/22/2004 | WO2004007965A1 Rotary screw machine end method of transforming a motion in such a machine |
| 01/22/2004 | WO2004007964A1 Rotary screw machine and method of transforming a motion in such a machine |
| 01/22/2004 | WO2004007963A1 Volume screw machine of rotary type |
| 01/22/2004 | WO2004007962A1 Volume screw machine of rotary type |
| 01/22/2004 | US20040013541 Electric oil pump apparatus |
| 01/22/2004 | CA2492349A1 Rotary screw machine of volume type and method of transforming a motion in a volume screw machine |
| 01/22/2004 | CA2492345A1 Method of transforming a motion in a volume screw machine of rotary type and rotary screw machine |
| 01/21/2004 | EP1382853A1 Rotary screw machine and method of transforming a motion in such a machine |
| 01/20/2004 | US6679692 Oil pump |
| 01/15/2004 | DE10229809A1 Flügelzellenpumpe Vane pump |
| 01/07/2004 | EP1378665A1 Vane pump |
| 01/06/2004 | US6672853 Center driven pressure clamped hydraulic pump |
| 01/02/2004 | EP1373724A2 Pump with a simply exchangeable head pump |
| 12/24/2003 | WO2003106237A1 Motor/pump unit, especially for antislip brake systems |