| Patents for F04C 2 - Rotary-piston machines or pumps (14,296) |
|---|
| 09/15/2004 | CN2641324Y Integral type oil pump |
| 09/15/2004 | CN2641323Y 柴油机机油泵 Diesel oil pump |
| 09/15/2004 | CN1529679A Device for thickening or dewatering sludge, watery, sediments or the like, espeically surplus sludge in sewage treantment plants |
| 09/15/2004 | CN1529057A Rotary piston type oil pump |
| 09/14/2004 | US6790017 Integrated pump with serial-connected pump units arranged in parallel |
| 09/10/2004 | WO2004076858A2 Oil well pump apparatus |
| 09/09/2004 | US20040175283 Transition valving by means of non-return valves |
| 09/09/2004 | US20040175268 Rotary kinetic tangential pump |
| 09/09/2004 | US20040174401 Pump and inkjet printer |
| 09/09/2004 | DE10148476B4 Zahnradpumpe Gear pump |
| 09/08/2004 | EP1454755A1 Pump and inkjet printer |
| 09/08/2004 | EP1454063A1 Feed pump |
| 09/08/2004 | EP1454062A1 Feed pump for fluidic media |
| 09/08/2004 | EP1454061A1 Vane-cell pump |
| 09/08/2004 | CN2639567Y Vacuum pump |
| 09/08/2004 | CN2639566Y Syntropy biscrew thread element of mesh |
| 09/08/2004 | CN1527911A Clutch assembly with a gear pump |
| 09/08/2004 | CN1526556A 泵和喷墨打印机 Pump and the ink jet printer |
| 09/07/2004 | US6786709 Gear pump with a drive and a hydraulic tank |
| 09/02/2004 | WO2004074699A2 Offset bearing for pump |
| 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 |
| 09/01/2004 | CN2637769Y Water body aeration special pusher-type fan |
| 09/01/2004 | CN1525070A Rotary piston type oil pump |
| 08/31/2004 | US6783342 Method and apparatus for timing rotors in a rotary lobe pump |
| 08/31/2004 | US6783340 Rotor with a hydraulic overbalancing recess |
| 08/31/2004 | US6783339 Hydraulic motor with a separate spool valve |
| 08/31/2004 | US6783193 Rotary pump and braking apparatus using rotary pump |
| 08/26/2004 | WO2004072482A1 Rotor pump |
| 08/26/2004 | WO2004072481A1 Hydraulic pump for a power steering system |
| 08/26/2004 | WO2004071845A1 Motor-pump unit |
| 08/26/2004 | US20040166010 Offset bearing for extended fuel pump life |
| 08/26/2004 | US20040165985 Cooling water pump device for outboard motor |
| 08/26/2004 | DE10335966B3 Eccentric spiral pump for pumping has intermediate shaft with at least two offset webs with intermediate wall between them |
| 08/25/2004 | EP1448895A1 Rotary piston pump |
| 08/25/2004 | EP1448894A1 Auto suction hybrid pump |
| 08/25/2004 | CN2635942Y Multi-function pump |
| 08/25/2004 | CN1523238A Rotary fluid pressure device and improved integral brake assembly |
| 08/25/2004 | CN1523232A Impeller pump with double circular arc gear |
| 08/19/2004 | US20040161357 Gear pump |
| 08/19/2004 | US20040161355 Reduced friction gerotor |
| 08/19/2004 | US20040161354 Oil pump |
| 08/19/2004 | US20040160013 Vented high pressure shaft seal |
| 08/19/2004 | DE10251367B4 Vorrichtung zur Bearbeitung von Flüssigkeiten, insbesondere mit darin enthaltenen Feststoffen, oder von fließ- oder schüttfähigen, zerkleinerbaren Feststoffen Apparatus for processing liquids, especially with solids contained therein, or flowing or pourable comminuted solids |
| 08/18/2004 | CN1521401A 油泵 Pump |
| 08/18/2004 | CN1162622C Eccentric screw pump |
| 08/18/2004 | CN1162621C Volumetric pump |
| 08/17/2004 | US6776736 Self-regulating reverse boost valve assembly |
| 08/17/2004 | US6775975 Pump with a flow-regulating valve device and an injector device |
| 08/12/2004 | WO2004044429A3 Pump |
| 08/12/2004 | US20040156729 Feed and scavenge pump arrangement |
| 08/12/2004 | US20040156727 Variable displacement pump |
| 08/12/2004 | US20040155118 Fluid pump |
| 08/12/2004 | DE19945122B4 Hydraulische Steuereinrichtung Hydraulic control device |
| 08/12/2004 | DE10361355A1 Rotorvorrichtung mit Ausgleichsnuten Rotor device with equalization grooves |
| 08/12/2004 | DE10305454A1 Pumpvorrichtung Pumping device |
| 08/11/2004 | EP1445492A1 Gear oil pump for hermetic compressors |
| 08/11/2004 | EP1445490A2 Pumping arrangement |
| 08/11/2004 | EP1445436A1 Oil module integrating oil filter and pump |
| 08/10/2004 | US6773240 Single piston dual chamber fuel pump |
| 08/05/2004 | WO2004064992A1 Dividing device |
| 08/05/2004 | US20040152143 Growth differentiation factor-9 |
| 08/05/2004 | DE202004008106U1 Rotary piston pump, has elastic bellows forming seal around crankshaft to prevent contamination with lubricant |
| 08/05/2004 | DE10302964A1 High pressure internal gear wheel pump, has transition curve between rounded tooth head and involuted tooth edge with curvature of at least approximately greater than or equal to modulo 0.1 |
| 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 | EP1443213A1 Vane type rotary machine |
| 08/04/2004 | EP1443212A1 Gerotor with brake assembly |
| 08/04/2004 | CN2630523Y Sliding-vane water pump |
| 08/04/2004 | CN2630522Y Bimetal sliding sleeve for gear oil pump |
| 08/04/2004 | CN2630521Y Rotor oil pump |
| 08/04/2004 | CN1518639A Method for making Moineau pump stator and resulting stator |
| 08/03/2004 | US6769891 Rotary positive-displacement pump with meshing gear wheels without encapsulation, and gear wheel for such a positive-displacement pump |
| 08/03/2004 | US6769889 Balanced pressure gerotor fuel pump |
| 08/03/2004 | US6769886 Rotary vane pump with vane wear access port and method |
| 07/29/2004 | US20040146422 Pump |
| 07/29/2004 | US20040146421 Vane pump having an abradable coating on the rotor |
| 07/29/2004 | US20040146413 Fuel pump with filter-absent safety valve and universal inlet and outlet |
| 07/28/2004 | EP1441126A2 Multistage gear pump |
| 07/28/2004 | EP1441106A1 Vane pump with coated rotor |
| 07/28/2004 | CN1159528C Isowidth-curve double-stator roller pump |
| 07/22/2004 | WO2004061309A1 Electric internal gear pump |
| 07/22/2004 | US20040140322 Dividing device |
| 07/21/2004 | EP1438508A1 Flanged gear pump |
| 07/21/2004 | EP1438507A1 Internal gear pump |
| 07/21/2004 | EP1056929B1 Rotary-piston machine |
| 07/21/2004 | CN1513606A Hot melt adhesive distributing and spreading unit having independent gear pump assembly |
| 07/20/2004 | US6764283 Internal gear wheel pump |
| 07/15/2004 | WO2004042233A3 Pump comprising a deformable flexible stroke ring |
| 07/15/2004 | US20040136856 Self-centering gear pump |
| 07/15/2004 | US20040136847 Motor-driven pump unit |
| 07/15/2004 | US20040136838 Electronic pressure relief valve for engine oil pump |
| 07/15/2004 | US20040134277 Speed sensor flange assemblies |
| 07/15/2004 | DE10258666A1 Downhole immersion pump for more severe duties, includes coupling section between slowly-rotating drive and pump in slender arrangement |
| 07/14/2004 | EP1436509A1 Variable-delivery vane pump |
| 07/14/2004 | EP0931221B1 A rotary machine |
| 07/14/2004 | CN2625608Y Sand jam preventing screw pump capable of washing well |
| 07/14/2004 | CN2625607Y Pressure and speed regulating inside engaged gear pump |
| 07/14/2004 | CN1512065A Lubricating-free screw compressor |
| 07/14/2004 | CN1157274C Method of manufacturing pin holding ring for internal gear, internally meshed planetary gear structure, and hydraulic motor and pump |
| 07/13/2004 | US6761547 Trochoid gear type fuel pump |
| 07/13/2004 | US6761546 Gear pump having bearings with cooling ducts |