| Patents for F04C 13 - Adaptations of machines or pumps for special use, e.g. for extremely high pressures (1,349) |
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| 05/28/2003 | EP0910747B1 Control of lubrication and temperature of the bearings of a pump |
| 05/22/2003 | US20030094199 System and method for pumping high-viscous fluids through heat exchangers |
| 05/15/2003 | US20030091454 Rotary variable expansible chamber - kinetic hybrid pump |
| 05/13/2003 | US6561775 In situ separable electric submersible pump assembly with latch device |
| 05/07/2003 | EP1308624A1 Submersible motor-driven pump |
| 05/06/2003 | US6557639 Apparatus and method for pumping fluids for use with a downhole rotary pump |
| 04/29/2003 | US6554593 Dry screw vaccum pump having nitrogen injection |
| 04/22/2003 | US6551083 Micromotor and micropump |
| 04/17/2003 | WO2002086322A3 Fluid controlled pumping system and method |
| 04/17/2003 | US20030070879 Submerged electric fluid pump |
| 04/16/2003 | EP1302704A2 Submerged electric fluid pump |
| 04/16/2003 | EP1302109A1 Twin vane concentric pump |
| 04/10/2003 | WO2003029610A1 Downhole multi-phase twin screw pump |
| 04/10/2003 | WO2002091028A3 Devices employing colloidal-sized particles |
| 04/09/2003 | EP0877895B1 A sub-sea pumping system and an associated method |
| 04/03/2003 | DE10202618C1 Pump for conveying liquid media comprises a displacement body with sliding bearings positioned in a pump housing, and channels connecting the sliding bearings to product channel on the vacuum side to recycle the conveying medium |
| 04/02/2003 | EP1297260A1 Comminutor pump |
| 03/26/2003 | EP1295036A1 Gear pump |
| 03/25/2003 | US6537048 Pump body for a medical gear pump |
| 03/19/2003 | EP1117932B1 Gear pump for pumping highly viscous fluids |
| 03/11/2003 | US6530750 Control for progressive cavity pump |
| 03/11/2003 | CA2220606C Method and apparatus for controlling a progressing cavity well pump |
| 03/06/2003 | US20030044299 Fluid displacement apparatus and method |
| 02/27/2003 | WO2003016720A1 Gear pump |
| 02/25/2003 | US6524088 Gear pump having a bearing with a temperature adjusting medium passage |
| 02/18/2003 | USRE37995 Progressive cavity pump with flexible coupling |
| 02/18/2003 | US6520757 Housing for accommodating a micropump |
| 02/12/2003 | EP1161630B1 Comminuting pump |
| 02/05/2003 | EP1280996A1 Metering pump for liquid products |
| 01/23/2003 | WO2003006348A1 Twin screw pump for flowabe solids with overload protection |
| 01/21/2003 | US6508787 System for actively supporting the flow of body fluids |
| 01/16/2003 | US20030012657 Devices employing colloidal-sized particles |
| 01/15/2003 | EP1275408A1 Dialysis machine with means for decalcification of the dialysate circuit and method for determining its degree of calcification |
| 01/15/2003 | EP1218640B1 High pressure cleaning device |
| 01/14/2003 | US6506029 Gear pump |
| 01/09/2003 | WO2002077451A3 Pump with a simply exchangeable head pump |
| 01/02/2003 | EP1270946A2 Device, like an extrusion machine, comprising a direct driven gear pump |
| 01/02/2003 | EP1270832A1 Vacuum sewer system |
| 01/02/2003 | EP1268984A2 High efficiency turbine |
| 12/25/2002 | CN1386963A Oil pump mounting structure |
| 12/24/2002 | US6497556 Fluid level control for a downhole well pumping system |
| 12/19/2002 | WO2002084122A3 Rotary pump |
| 12/19/2002 | US20020192093 Eccentric single-rotor screw pump |
| 12/12/2002 | WO2002081922A3 Screw conveyor for the transport of flowable substances and/or lumps of material |
| 12/12/2002 | WO2002070897A3 A vane pump |
| 12/12/2002 | WO2002057631A3 Miniature precision bearings and method for assembling the same |
| 12/11/2002 | CN1095938C Squeeze pump having improved rollers |
| 12/10/2002 | US6491501 Progressing cavity pump system for transporting high-solids, high-viscosity, dewatered materials |
| 12/05/2002 | DE10126482A1 Water management system for closed cycle Diesel engines for submarines consists of two displacement pumps connected opposite to each other |
| 11/21/2002 | US20020172606 Oil pump mounting structure |
| 11/14/2002 | WO2002091028A2 Devices employing colloidal-sized particles |
| 11/07/2002 | WO2002018792A3 Progressing cavity pump |
| 11/07/2002 | US20020164178 Powder pump capable of effectively conveying powder and image forming apparatus using powder pump |
| 11/06/2002 | CN1378621A High pressure cleaning device |
| 11/05/2002 | US6474965 Rotary piston engine having a cogwheel pump and an oil metering pump |
| 10/31/2002 | WO2002086322A2 Fluid controlled pumping system and method |
| 10/31/2002 | US20020159906 Sanitary design gear pump |
| 10/31/2002 | CA2441307A1 Fluid controlled pumping system and method |
| 10/24/2002 | WO2002084122A2 Rotary pump |
| 10/24/2002 | US20020155003 Fluid controlled pumping system and method |
| 10/24/2002 | DE10118785A1 Eccentric screw conveyor pump has at least one screw conveyor in region of intermediate cavity |
| 10/24/2002 | DE10118071A1 Exzenter-Schneckenpumpe Eccentric screw pump |
| 10/22/2002 | US6468058 Submersible concatenated system |
| 10/17/2002 | WO2002081922A2 Screw conveyor for the transport of flowable substances and/or lumps of material |
| 10/16/2002 | EP1249608A1 Device, like an extrusion machine, comprising a direct driven gear pump |
| 10/10/2002 | WO2002079662A1 Clutch assembly with a gear pump |
| 10/10/2002 | DE10115062A1 Pumpe mit einfach austauschbarem Pumpenkopf Pump with an easily replaceable pump head |
| 10/09/2002 | EP1247984A1 Screw conveyor for the transport of flowable substances and/or lumps of material |
| 10/03/2002 | WO2002077451A2 Pump with a simply exchangeable head pump |
| 10/02/2002 | CN1091831C Sub-sea pumping system and associated and pressure compensator for same method |
| 10/01/2002 | US6457950 Sealless multiphase screw-pump-and-motor package |
| 09/26/2002 | DE10146793A1 Präzise Kleinstlagerung bei Mini- bis Mikrosystemen und Montageverfahren für solche Systeme Precise micro storage at mini to micro-systems and assembly methods for such systems |
| 09/26/2002 | DE10112028A1 Schneckenpumpe und Doppelschneckenextruder mit einer solchen Schneckenpumpe Screw pump and twin screw extruder with such a screw pump |
| 09/24/2002 | US6454010 Well production apparatus and method |
| 09/24/2002 | US6453994 Buoyant water pump system |
| 09/19/2002 | US20020131884 Dry vacuum pump |
| 09/18/2002 | CN1091225C Geared pump of pumping high viscosity liquid |
| 09/12/2002 | WO2002070897A2 A vane pump |
| 09/12/2002 | WO2002070231A1 Screw pump and multi-screw extruder comprising a screw pump of this type |
| 08/27/2002 | US6439866 Downhole rotary motor with sealed thrust bearing assembly |
| 08/20/2002 | US6434944 High efficiency turbine |
| 08/07/2002 | EP0956452B1 Impeller for a liquid ring machine |
| 07/30/2002 | CA2309238C Assemblies for modular fluid pump |
| 07/25/2002 | WO2002057631A2 Miniature precision bearings and method for assembling the same |
| 07/23/2002 | CA2117201C Swash plate pump |
| 07/16/2002 | US6419472 Gear unit for a deep-borehole pump |
| 07/16/2002 | US6419469 Pump having a main outlet communicating with a secondary outlet by a gap |
| 07/03/2002 | EP1218640A1 High pressure cleaning device |
| 07/02/2002 | US6413065 Modular downhole multiphase pump |
| 06/25/2002 | US6408899 Apparatus for encrusting a filling material |
| 06/13/2002 | US20020071772 Highly-viscous-fluid applying apparatus capable of controlling delivery amount of fluid |
| 06/06/2002 | US20020066568 Integrated pumping system for use in pumping a variety of fluids |
| 06/04/2002 | US6398531 Pump drive system |
| 05/30/2002 | US20020063354 Process and device for pressurizing flowable reaction components |
| 05/29/2002 | CN1085790C Gear pump for use in electrically-operated sealed compressor |
| 05/22/2002 | CN1085304C Progressive cavity pump using composite materials |
| 05/09/2002 | US20020054819 Hydraulic submersible insert rotary pump and drive assembly |
| 05/08/2002 | EP1203885A2 Gear pump |
| 05/07/2002 | CA2286823C Apparatus and method for pumping fluids for use with a downhole rotary pump |
| 05/02/2002 | US20020051720 Gear pump |