| Patents for F04C 13 - Adaptations of machines or pumps for special use, e.g. for extremely high pressures (1,349) |
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| 06/24/2004 | WO2004053333A1 Screw pump |
| 06/23/2004 | EP1115979B1 Housing construction for accommodating a toothed ring micropump |
| 06/17/2004 | WO2004015268A3 Roll-fed progressing cavity pump/extruder |
| 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 | US20040109780 Feed pump for fluidic media |
| 06/10/2004 | US20040109774 Ball check air vent for transmission pump |
| 06/09/2004 | CN1503879A Fluid controlled pumping system and method |
| 06/03/2004 | WO2004045749A1 Proportioning, regenerative, rotary pump |
| 05/26/2004 | EP1421281A1 Gear pump |
| 05/26/2004 | CN1499086A Cock fittings system for navigation tool |
| 05/18/2004 | US6736900 Highly-viscous-fluid applying apparatus capable of controlling delivery amount of fluid |
| 05/13/2004 | US20040090859 Screw pump and multi screw extruder comprising a screw pump of this type |
| 05/13/2004 | US20040089480 Downhole motor locking assembly and method |
| 05/12/2004 | EP1418342A1 Vessel comprising a valve system |
| 05/12/2004 | CN1495002A Apparatus for distributing free flowing material |
| 05/06/2004 | US20040086408 Housing construction for accommodating a micro system interspersed with fluid |
| 05/05/2004 | CN1494474A Screw pump and multi-screw extruder comprising screw pump of this type |
| 05/04/2004 | US6729391 Insertable progressing cavity pump |
| 04/29/2004 | CA2409985A1 Rotary drive downhole pumping system |
| 04/27/2004 | CA2098269C Device method for pumping viscous liquid from horizontal wells, including by injecting a liquefying product |
| 04/22/2004 | WO2004033187A1 Extruder/gear pump assembly |
| 04/21/2004 | EP1409379A1 Twin screw pump for flowabe solids with overload protection |
| 04/20/2004 | US6722860 Oil pump mounting structure |
| 04/14/2004 | CN1488859A G-rotor pump |
| 04/13/2004 | CA2163711C Pumping system and method including a displacement pump and application of said system and method to bypassed wells |
| 04/08/2004 | DE10245306A1 Extruder and gear pump combination for processing rubbers and plastics incorporates the pump shaft inside the hollow screw shaft |
| 04/01/2004 | DE202004000189U1 Pump for viscous liquids has a wave shaped rotor with profiled edges locating in a profiled slot in a slider |
| 04/01/2004 | DE202004000188U1 Pump for viscous liquids has a profiled rotor with a slider and with an elastic seal between the slider and the pump housing |
| 04/01/2004 | DE202004000186U1 Pump for viscous liquids has a wave shaped rotor and with seals between the stator and the pump housing |
| 04/01/2004 | DE202004000184U1 Pump for viscous fluids has the rear wall and outer wall of the pumping chamber lined with a material which prevents contact between the pumped fluid and the pump |
| 04/01/2004 | DE202004000183U1 Pump for viscous fluids has a drive shaft bearing inside a hollow support and positioned inside a hollow hub mounting for the pump rotor |
| 03/31/2004 | EP1280996B1 Metering pump for liquid products |
| 03/25/2004 | US20040056047 Rotary lobe pump metering assembly |
| 03/24/2004 | EP1400695A2 Apparatus for dispensing free-flowing material |
| 03/09/2004 | US6704617 Automated system for control and diagnostics for dispensing systems |
| 03/04/2004 | WO2004018879A1 Vacuum pump and method of starting the same |
| 02/26/2004 | US20040037726 G-rotor pump |
| 02/26/2004 | US20040035585 Well pump capsule |
| 02/24/2004 | US6695060 Downhole pumping system |
| 02/19/2004 | WO2004015268A2 Roll-fed progressing cavity pump/extruder |
| 02/19/2004 | US20040033285 Roll-fed progressing cavity pump/extruder |
| 02/19/2004 | CA2495324A1 Roll-fed progressing cavity pump/extruder |
| 02/12/2004 | WO2004013386A2 Device and method for injecting a liquid colour into a polymer melt |
| 02/12/2004 | US20040028546 Eccentric screw-type pump |
| 02/12/2004 | US20040026077 Downhole moineau pump assembly |
| 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 | EP1387959A2 Fluid controlled pumping system and method |
| 02/11/2004 | EP1297260B1 Comminutor pump |
| 02/10/2004 | US6688498 Hot melt adhesive supply system with independent gear pump assemblies |
| 02/09/2004 | CA2397360A1 Stuffing box for progressing cavity pump drive |
| 02/05/2004 | US20040022657 High torque rotatable progressive cavity drive rods and connectors |
| 02/01/2004 | CA2422348A1 High torque rotatable progressive cavity drive rods and connectors |
| 01/28/2004 | EP1295036B1 Gear pump |
| 01/20/2004 | US6679692 Oil pump |
| 01/15/2004 | DE10257220B3 Zahnradpumpe, insbesondere für einen Extruder Gear pump, in particular for an extruder |
| 01/15/2004 | DE10241247B3 Tragbare Pumpe Portable pump |
| 01/07/2004 | EP1377757A1 Clutch assembly with a gear pump |
| 01/02/2004 | EP1373724A2 Pump with a simply exchangeable head pump |
| 12/23/2003 | US6666666 Multi-chamber positive displacement fluid device |
| 12/17/2003 | EP1370771A1 Self-centering gear pump |
| 12/10/2003 | EP1369588A1 Gerotor pump |
| 12/09/2003 | US6659744 Rotary two axis expansible chamber pump with pivotal link |
| 12/04/2003 | WO2003100257A1 Multi-chamber positive displacement fluid device |
| 12/04/2003 | US20030223896 Multi-chamber positive displacement fluid device |
| 12/03/2003 | EP1365906A1 Screw pump and multi-screw extruder comprising a screw pump of this type |
| 12/03/2003 | EP0852674B1 Micromotor and micropump |
| 10/23/2003 | WO2003087989A2 Automated system for control and diagnostics for dispensing system |
| 10/22/2003 | EP1354135A2 Miniature precision bearings for minisystems or microsystems and method for assembling such systems |
| 10/22/2003 | EP0879358B1 Rotary piston regulating device |
| 10/21/2003 | US6634459 Accessory drive and particle trap |
| 10/16/2003 | US20030195651 Automated system for control and diagnostics for dispensing systems |
| 10/14/2003 | CA2350294C Apparatus for encrusting a filling material |
| 10/09/2003 | WO2003083306A1 Internal gear pump with recesses on the gear bearing surfaces |
| 10/08/2003 | EP0894195B1 Progressive cavity pumps using composite materials |
| 10/02/2003 | DE10238456C1 Pump, for conveying oil from deep boreholes, comprises screw spindle pump driven by submersible motor |
| 09/30/2003 | US6626643 Twin vane pump apparatus for dispensing meat products |
| 09/23/2003 | US6623252 Hydraulic submersible insert rotary pump and drive assembly |
| 09/09/2003 | CA2242133C Squeeze pump having improved rollers |
| 09/03/2003 | CN1120251C Extrusion pump |
| 08/27/2003 | EP1338796A2 Moineau Pump |
| 08/26/2003 | US6609895 Carbon dioxide pump, pumping system, and method of controlling the same |
| 08/14/2003 | US20030152474 Pump for conveying molten masses of polymers and elastomers |
| 08/14/2003 | DE10202620C1 Förderpumpe Feed pump |
| 08/13/2003 | EP1334816A1 Gear pump for conveying polymers and elastomers |
| 08/12/2003 | US6604910 Fluid controlled pumping system and method |
| 08/07/2003 | US20030147765 Gear Pump |
| 08/05/2003 | US6602971 Process and device for pressurizing flowable reaction components |
| 07/24/2003 | US20030136371 Energy efficient fluid pump system |
| 07/23/2003 | EP1329635A1 Rotary pump |
| 07/22/2003 | US6597883 Powder pump capable of effectively conveying powder and image forming apparatus using powder pump |
| 07/09/2003 | EP1326023A2 Moineau Pump |
| 07/03/2003 | WO2003054393A1 Feed pump |
| 07/03/2003 | US20030124012 Housing for accommodating a micropump |
| 07/01/2003 | US6585923 Extrusion method and extruder |
| 06/26/2003 | US20030116323 System for, and a method of pumping fluids from a well |
| 06/19/2003 | WO2003050418A1 Feed pump for fluidic media |
| 06/19/2003 | US20030111221 Insertable progessing cavity pump |
| 06/18/2003 | DE10207483C1 Eccentric peristaltic pump for viscous fluids has curved shaft connected between rotor and drive shaft with latter coaxial |
| 05/29/2003 | US20030099547 apparatus fpr Dispensing a Meat Product |