| Patents for F04B 7 - Piston machines or pumps characterised by having positively-driven valving (2,226) |
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| 11/12/2002 | US6478547 Method and apparatus for dispensing fluids |
| 11/07/2002 | WO2002088545A1 Dual port unit pump, injector, and engine efficiency methods |
| 10/24/2002 | US20020155011 Metering pump device |
| 10/24/2002 | US20020152991 High pressure pump and engine system using the same |
| 10/09/2002 | CN1092290C Positive displacement pump with spool |
| 10/01/2002 | CA2118484C Apparatus for metering pigments for paints |
| 09/26/2002 | DE10111004A1 Mobiles Heizgerät mit einer Brennstoffzuführeinrichtung Portable heater with a fuel supply |
| 09/17/2002 | US6450779 Two-cylinder thick matter pump |
| 09/12/2002 | DE10109948A1 Dosing pump unit has valve assembly with valve component which either allows fluid feed from inlet to pump assembly and prevents fluid delivery from pump to outlet, or vice versa |
| 09/11/2002 | EP1239221A2 Fuel supply apparatus for mobile heating device |
| 09/11/2002 | EP0988450B1 Two-cylinder thick matter pump |
| 09/10/2002 | US6447273 Variable-delivery high-pressure fuel pump |
| 09/10/2002 | US6447263 Fuel pump with auxiliary pumping chamber |
| 09/06/2002 | WO2002031357A3 Fluid-moving device with integrated valve |
| 09/04/2002 | EP1235982A1 Thick matter pump |
| 09/03/2002 | US6443718 Shuttle valve for concrete pump |
| 09/03/2002 | US6443717 Variable timing valves for gas compressors and expanders |
| 08/28/2002 | EP1055069B1 Sliding device for a two-cylinder pump for liquids |
| 08/28/2002 | CN1089866C Enclosed compressor |
| 08/20/2002 | US6435845 Air driven devices and components therefor |
| 08/15/2002 | WO2001035484A9 Minute electromechanical actuation and fluid control devices and integrated systems based on low temperature co-fired ceramic (ltcc) tape technology |
| 08/08/2002 | DE10104405A1 Vorrichtung und Verfahren zur Steuerung einer Kolbenmaschine Apparatus and method for controlling a piston engine |
| 08/07/2002 | EP1228313A1 Hydraulic piston pump |
| 07/31/2002 | EP1226385A1 Arrangement in a lubricant pump |
| 07/30/2002 | US6425740 Resonator pumping system |
| 07/16/2002 | US6419841 Accumulator/second pump in fluid communication with a first pump, filter between them; second pump operates independent of first pump; for high purity fluids; microelectronics |
| 07/03/2002 | CN1356467A Low-noise hydraulic plunger pump with flow distributor having check valve |
| 06/27/2002 | US20020081223 Fluid suction and discharge apparatus |
| 06/26/2002 | EP1217210A2 Fluid pump |
| 06/20/2002 | DE10061956A1 Valve-less pump for pumping fluids includes control piston enclosed by cylinder and designed so that in single stroke it sucks in fluid at one suction opening whilst closing delivery |
| 06/19/2002 | EP1003969B1 Two-cylinder thick matter pump |
| 06/11/2002 | US6402486 Free-diaphragm pump |
| 06/05/2002 | EP1097304A4 Air drive pumps and components therefor |
| 06/04/2002 | US6398081 Volumetric pump |
| 05/30/2002 | US20020064466 Piston pump |
| 05/29/2002 | DE10048924A1 Vorrichtung und Verfahren zum Dosieren von Material Apparatus and method for dosing material |
| 05/28/2002 | US6394770 Piston pump |
| 05/23/2002 | WO2002040864A1 Piston pump |
| 05/23/2002 | DE10057831A1 Membrane pump |
| 05/23/2002 | DE10045281C1 High pressure fuel pump has reduced diameter of piston head corresponding with spacing of heat input from compression cavity |
| 05/22/2002 | EP1206639A1 Method for feeding particulate matter |
| 05/16/2002 | WO2002038957A1 A pump |
| 05/15/2002 | EP1204334A2 Pressure processing a pumpable substance with a flexible membrane |
| 04/18/2002 | WO2002031357A2 Fluid-moving device with integrated valve |
| 04/18/2002 | US20020043502 Accumulator/second pump in fluid communication with a first pump, filter between them; second pump operates independent of first pump; for high purity fluids; microelectronics |
| 04/17/2002 | EP1196044A1 Device for producing consumables |
| 04/17/2002 | EP0925450B1 Pump for thick substances |
| 04/10/2002 | EP1195518A2 Method and device for dosed pumping |
| 03/19/2002 | US6358468 Apparatus and method for metering molten metal |
| 03/12/2002 | US6354820 Pump |
| 02/26/2002 | US6350110 Multiport metering pump |
| 02/21/2002 | US20020021974 Free-diaphragm pump |
| 02/12/2002 | US6345608 Fuel supply system for an internal combustion engine |
| 02/07/2002 | WO2002010590A1 Resonator pumping system |
| 02/06/2002 | EP1177036A1 Apparatus and method for customising cosmetic products |
| 01/31/2002 | WO2002008604A1 Piston pump |
| 01/31/2002 | US20020011579 Pressure processing a pumpable substance with a flexible membrane |
| 01/31/2002 | DE10035537A1 Cam driven piston pump has a retainer to hold the inlet valve open until the start of the compression stroke |
| 01/24/2002 | US20020009369 Pressure processing a pumpable substance with a flexible membrane |
| 01/16/2002 | EP1171713A1 High pressure pump and engine system using the same |
| 01/16/2002 | EP1171709A1 Piston metering pump for aggressive liquids |
| 01/16/2002 | EP1171707A1 Variable delivery pump and common rail fuel system using the same |
| 01/16/2002 | CN1331783A Pump controller for precision pumping appts. |
| 01/15/2002 | US6338615 Pipe switch for two-cylinder thick-material pump |
| 01/09/2002 | EP1170055A2 Tank with metering syringe for manual tinting system |
| 01/08/2002 | US6336405 Pump for printing machine |
| 01/02/2002 | EP1165943A1 Device and method for controlling a piston engine |
| 12/20/2001 | US20010052527 Volumetric pump |
| 12/12/2001 | EP0821764B1 Pump |
| 12/06/2001 | WO2001013030A8 Pressure processing a pumpable substance with a flexible membrane |
| 11/27/2001 | US6322337 Liquid dispensing systems and methods |
| 11/22/2001 | US20010043864 Fluid discharge device and fluid discharge method |
| 11/20/2001 | US6318974 Oil pump for separate lubrication |
| 11/20/2001 | US6318968 Magnetorheological fluid pumping system |
| 10/23/2001 | US6305913 Pressure processing a pumpable substance with a flexible membrane |
| 10/18/2001 | WO2001077572A1 Medium pump |
| 10/16/2001 | US6302662 Liquid dispensing systems and methods |
| 09/20/2001 | DE10005388A1 Piston engine controlling process, involving measuring differential pressure in induction phase and opening induction valve at set differential pressure |
| 09/19/2001 | EP1133639A1 Pump controller for precision pumping apparatus |
| 09/12/2001 | EP1132615A2 Fluid dispenser |
| 09/12/2001 | CN1312135A Liquid discharging apparatus and liquid discharging method |
| 08/30/2001 | WO2001013030A3 Pressure processing a pumpable substance with a flexible membrane |
| 08/30/2001 | DE10005929A1 Kompressor für ein Kraftfahrzeug-Luftfedersystem Compressor for a vehicle air-suspension system |
| 08/23/2001 | WO2001061193A1 High pressure pump and engine system using the same |
| 08/16/2001 | WO2001059266A1 Device and method for controlling a piston engine |
| 07/31/2001 | CA2200665C Reservoir fluids production apparatus and method |
| 07/24/2001 | US6264442 High volume positive displacement pump with gear driven rotary valves |
| 07/24/2001 | US6264054 Vacuum airtight container |
| 07/10/2001 | US6257052 Pump, sample feed and valving for high performance liquid chromatography (HPLC) |
| 06/28/2001 | WO2001046590A1 Pump with a regulated valve |
| 06/28/2001 | DE19961852A1 Pump has valve(s), preferably inlet valve(s), that determines parameter(s) dependent on pressure in pump cylinder and switching time of valve depending on the measured parameter |
| 06/26/2001 | US6251293 Microelectronics, pumping and suction of fluids |
| 06/21/2001 | WO2001036820A9 Hydraulic piston pump |
| 06/07/2001 | WO2001040649A1 Thick matter pump |
| 06/07/2001 | DE19954639A1 Hydraulische Kolbenpumpe, insb. für Common Rail-Einspritzsysteme Hydraulic piston pump, esp. For common rail injection systems |
| 06/05/2001 | US6241480 Micro-magnetohydrodynamic pump and method for operation of the same |
| 05/31/2001 | DE19957337A1 Pump for viscous material has charging pressure device separate from pump unit near suction line that actively causes compression of viscous material |
| 05/30/2001 | EP1102933A2 Fluid driven pump and portioning check valve |
| 05/25/2001 | WO2001036820A1 Hydraulic piston pump |
| 05/22/2001 | US6234770 Reservoir fluids production apparatus and method |