| Patents for F04B 7 - Piston machines or pumps characterised by having positively-driven valving (2,226) |
|---|
| 02/25/2004 | CN1139724C Sealed electric compressor |
| 02/24/2004 | US6695593 Fiber optics systems for high purity pump diagnostics |
| 02/24/2004 | US6695590 Lubricant pump having piston with radial through opening |
| 02/11/2004 | CN1138066C Low-noise hydraulic plunger pump with flow distributor having check valve |
| 02/03/2004 | US6685444 Fluid discharging device with a reciprocating pump member defining an outlet valve, and a valve member defining an outlet and suction valve |
| 01/22/2004 | DE10231214A1 Ventilhubsteuerung für Verbrennungsmotoren und Kompressoren Valve lift control for combustion engines and compressors |
| 01/22/2004 | DE10229395A1 Verdrängermaschine, insbesondere Radialkolbenpumpe in einem Kraftstoffsystem einer Brennkraftmaschine, sowie hydraulisches System Displacement, particularly radial piston pump in a fuel system of an internal combustion engine and hydraulic system |
| 01/15/2004 | DE20317579U1 Durchlaufsichere Kolbenpumpe Pass Safe piston pump |
| 01/08/2004 | WO2004003485A1 Apparatus for dispensing precise amounts of a non-compressible fluid |
| 01/08/2004 | US20040005230 Hydraulic air compressor having an automatic water valve reulation mechanism |
| 12/30/2003 | US6668797 Fuel injection pump system |
| 12/11/2003 | US20030228228 Pump priming apparatus |
| 12/03/2003 | EP1042608B1 Fuel supply system of an internal combustion engine |
| 11/27/2003 | WO2003098042A1 Waer ring for a concrete pump |
| 11/20/2003 | US20030215344 Ring for concrete pump |
| 11/19/2003 | EP1171709B1 Piston metering pump for aggressive liquids |
| 11/13/2003 | US20030209226 Fuel injection pump system |
| 11/11/2003 | US6644277 High pressure pump and engine system using the same |
| 10/21/2003 | US6634871 Suction-discharge device for fluids comprising a piston within a rotating inner tube and a plurality of suction and discharge holes |
| 10/01/2003 | EP1348487A1 Coating installation with an atomizer and a dosage pump |
| 10/01/2003 | EP1097304B1 Air drive pumps and components therefor |
| 09/24/2003 | EP1196044B1 Device for producing consumables |
| 09/24/2003 | CN1444699A 谐振器泵送系统 Resonator pumping system |
| 09/18/2003 | DE20311304U1 Double-diaphragm, precision dosing, pump of miniaturized construction for laboratory use. |
| 09/11/2003 | WO2003075441A2 Resonant electrical generation system |
| 09/10/2003 | EP1342917A1 Pump for aggressive liquids |
| 09/04/2003 | US20030165390 Continuous conveying process and device for shear-sensitive fluids |
| 09/03/2003 | EP1228313B1 Hydraulic piston pump |
| 09/03/2003 | EP1171707B1 Variable delivery pump and common rail fuel system using the same |
| 08/27/2003 | EP1338794A1 Reciprocating pump, particularly for vacuum insulated domestic refrigerators |
| 08/14/2003 | US20030152471 Medium pump |
| 08/13/2003 | CN1435568A Positive displacement machinery |
| 08/12/2003 | US6604920 Vibratory pump |
| 08/06/2003 | EP1332287A1 A pump |
| 07/31/2003 | WO2003062638A1 Liquid dispensing pump |
| 07/31/2003 | US20030143089 Thick matter pump |
| 07/30/2003 | EP1177036B1 Apparatus and method for customising cosmetic products |
| 07/30/2003 | CN1433506A Thick matter pump |
| 07/23/2003 | EP1328704A1 Gas displaced chamber lift system with closed loop/multi-stage vents |
| 07/10/2003 | WO2003055626A1 Hydraulic device for pumping molten metal and/or controlling a molten metal flow |
| 07/03/2003 | WO2003054392A1 Dosing pump |
| 07/02/2003 | EP1323528A2 Pump for inking or like purposes |
| 06/26/2003 | US20030116043 Pump for inking or like purposes |
| 06/25/2003 | EP0898653B1 Hydraulic pressure control system for a pump |
| 06/25/2003 | CN1112535C Pump element for lubricant pump |
| 06/17/2003 | US6579079 Rotary valve and piston pump assembly and tank dispenser therefor |
| 06/11/2003 | CN1423054A Fluid compression apparatus |
| 06/11/2003 | CN1423053A Hydraulic apparatus |
| 06/05/2003 | US20030104634 Fluid dispensing algorithm for a variable speed pump driven metering system |
| 06/05/2003 | US20030103855 Fluid compressing apparatus |
| 06/05/2003 | US20030103854 Apparatus for compressing fluid |
| 06/04/2003 | EP1316869A2 Improvements in or relating to a fluid metering system |
| 06/04/2003 | EP1315905A2 Fluid-moving device with integrated valve |
| 05/30/2003 | WO2003044372A1 Rotary piston pump |
| 05/27/2003 | US6568923 Fluid suction and discharge apparatus |
| 05/15/2003 | WO2003040000A1 Continuous positive displacement metering valve |
| 05/15/2003 | US20030091445 Variable-flow high pressure pump |
| 05/08/2003 | WO2003008804A3 Magnetically actuated pump |
| 05/07/2003 | CN1107804C Volumetric pump with sterility seal |
| 05/06/2003 | US6558127 Fluid discharge device and fluid discharge method |
| 05/02/2003 | EP1306550A1 Improved concrete pump with means to automatically adjust the working of the S-valve according to the type of concrete |
| 05/02/2003 | EP1305522A1 Resonator pumping system |
| 04/30/2003 | DE10156835C1 Rotary piston pump for conveying media comprises an annular piston having control pockets opening toward its axial end surface for controlling inlet and outlet openings |
| 04/16/2003 | EP1302664A1 Variable-Flow High-Pressure Pump |
| 04/10/2003 | US20030068244 Pump for printing press |
| 04/09/2003 | EP1300242A2 Pump for printing press |
| 04/09/2003 | EP1053401B1 Tubular branching system for dual-cylinder thick-liquid pump |
| 04/03/2003 | US20030062382 Method and apparatus for dispensing fluids |
| 04/02/2003 | CN1104559C Two-cylinder thick matter pump |
| 04/02/2003 | CN1104558C Two-cylinder thinck matter pump |
| 03/27/2003 | US20030059323 Rotary valve and piston pump assembly and tank dispenser therefor |
| 03/20/2003 | WO2003002257A3 Precision fluid dispensing system |
| 03/11/2003 | US6530363 Variable delivery pump and common rail fuel system using the same |
| 02/27/2003 | US20030039566 Manure transfer apparatus with spring biased guillotine door |
| 02/27/2003 | US20030039565 Suction-discharge device for fluids |
| 02/27/2003 | US20030037768 Method, computer program, control and/or regulating unit, and fuel system for an internal combustion engine |
| 02/18/2003 | US6520755 Fluid-moving device with integrated valve |
| 02/05/2003 | CN1394692A Viscous liquid metering transporting device |
| 01/30/2003 | WO2003008804A2 Magnetically actuated pump |
| 01/30/2003 | US20030019478 Sleeve metered unit pump and fuel injection system using the same |
| 01/29/2003 | CN1393638A Device for draining fluid |
| 01/21/2003 | US6510366 Apparatus and method for customizing cosmetic products |
| 01/09/2003 | WO2003002257A2 Precision fluid dispensing system |
| 01/08/2003 | CN1390281A 液力活塞泵 Hydraulic piston pump |
| 01/03/2003 | WO2002088545B1 Dual port unit pump, injector, and engine efficiency methods |
| 01/02/2003 | US20030003005 Device for the metered delivery of a viscous liquid |
| 01/02/2003 | US20030000965 Precision fluid dispensing system |
| 01/02/2003 | EP1270938A2 Device for the metered delivery of a viscous liquid |
| 01/02/2003 | EP1269897A1 Device for dispensing hot or cold water in measured volumes, especially for delivery of beverages |
| 12/27/2002 | WO2002103202A1 Device for delivering fixed quantity of liquid |
| 12/26/2002 | US20020197173 Fluid discharging device |
| 12/19/2002 | DE10128431A1 Radial piston pump for automatic transmission of e.g. motor vehicles has delivery pistons with associated control sleeves moveable in cylinder bores to regulated bore intake and outlet |
| 12/11/2002 | CN1384907A Arrangement in lubricant pump |
| 12/05/2002 | DE10125222A1 Dosierpumpeinrichtung, insbesondere für ein Heizgerät A metering pump device, particularly for a heating device |
| 12/05/2002 | DE10103224C1 Dosierpumpanordnung und diese enthaltendes Dosierpumpsystem Dosierpumpanordnung and those containing metered pumping system |
| 11/28/2002 | US20020176791 Leakproof pump for use in an inking mechanism of a rotary printing press |
| 11/28/2002 | US20020175520 Resonant electrical generation system |
| 11/27/2002 | EP1260710A2 Metering pump for heating system |
| 11/27/2002 | EP1260366A1 Leakproof pump for use in an inking mechanism of a rotary printing press |
| 11/20/2002 | EP1171713A4 High pressure pump and engine system using the same |