| Patents for F04C 13 - Adaptations of machines or pumps for special use, e.g. for extremely high pressures (1,349) |
|---|
| 12/08/1994 | WO1994021889A3 Improvements in or relating to drilling and to the extraction of fluids |
| 12/07/1994 | CN2184803Y High pressure composite oil pump |
| 12/06/1994 | US5370514 Rotary pump with shaft/rotor connection |
| 12/01/1994 | DE4413940A1 Sludge pump |
| 11/24/1994 | WO1994027049A1 Pumping process for operating a multi-phase screw pump and pump |
| 11/15/1994 | US5364251 Worm pump for thick media and/or media containing lumps, e.g. meat |
| 11/10/1994 | DE4410270A1 Filling, fluid-transport and pumping device |
| 10/19/1994 | EP0620369A2 Gear pump |
| 09/29/1994 | WO1994021920A1 Filling, fluid-transporting and pumping device |
| 09/29/1994 | WO1994021889A2 Improvements in or relating to drilling and to the extraction of fluids |
| 09/29/1994 | CA2158637A1 Improvements in or relating to drilling and the extraction of fluids |
| 09/28/1994 | EP0617201A1 Filling, fluid-transporting and pumping device |
| 09/21/1994 | CN1025970C Feeding mechanism for stringy material conveying pump |
| 09/20/1994 | US5348094 Device and method for pumping a viscous liquid comprising injecting a thinning product, application to horizontal wells |
| 08/30/1994 | CA2009905C High density grout pump |
| 08/11/1994 | DE4338677A1 Pump for delivering fluid, especially as a fuel delivery unit for motor vehicles |
| 08/10/1994 | EP0609513A2 Multiple passage packaging machine for dosing, filling and packaging pasty products of the food industry, particularly soup paste |
| 07/13/1994 | EP0605471A1 Swash pump. |
| 06/28/1994 | US5324183 Apparatus for producing a controllable, uniform conveying pressure for processing highly viscous rubber or thermoplastics |
| 06/21/1994 | US5322428 Gear transfer pump with lubrication and sealing of the driveshaft and idler pin |
| 06/15/1994 | EP0601675A1 Apparatus for conveying fluid substances in a machine using these substances |
| 06/08/1994 | CA2110745A1 Fluid transfer pump |
| 06/07/1994 | US5318415 Grooved pump chamber walls for flushing fiber deposits |
| 05/24/1994 | US5314100 Grout delivery system |
| 05/18/1994 | EP0597271A1 Arrangement for treating thermoplastic melt with a gear pump |
| 05/17/1994 | US5312236 Gear pump for non-newtonian fluid |
| 05/11/1994 | DE4313457C1 Pump with intermeshing lobed rotors - has adjusting mechanism in each lobe thrusting elastomer cover at tip outwards and has adjusting body sliding in groove inside lobe |
| 05/04/1994 | EP0595764A1 Gear pump |
| 04/28/1994 | DE4235528A1 Dispensing and mixing unit for two component mixts. - where dispensing and during devices consist of rotary lobe pumps, for use in dental work |
| 04/03/1994 | CA2079729A1 Grooved pump chamber walls for flushing fiber deposits |
| 03/29/1994 | US5297866 Apparatus for producing a controllable uniform conveying pressure for processing highly viscous rubber or thermoplastics |
| 03/29/1994 | CA2049502C Rotor placer for progressive cavity pump |
| 02/23/1994 | EP0583721A1 Method and device for portionally dividing a pasty and compressible mass, in particular soussage mince with a vane pump |
| 02/08/1994 | US5284424 Osmotic water purification pumping system with flush valve |
| 01/20/1994 | DE4303353C1 Multi-track packing machine - control-feeds, fills and packs paste products in food industry, esp. soup paste |
| 01/05/1994 | EP0577064A1 Rotary pump |
| 12/07/1993 | US5267837 Two-stage pumping apparatus with non-meshing first stage augers |
| 11/18/1993 | EP0569959A1 Screw pump |
| 11/09/1993 | US5259741 Rotary drainage pump lubrication device and separator |
| 10/19/1993 | US5253988 Gear pump |
| 10/06/1993 | EP0563435A1 Rotary drainage pump lubrication device and separator |
| 09/15/1993 | EP0560462A2 Positive displacement pumps |
| 09/08/1993 | EP0559582A1 Gear pump for high viscosity materials |
| 09/08/1993 | EP0558888A1 Device for the treatment of highly viscous rubber or thermoplastic synthetic material |
| 09/07/1993 | CA2089129A1 Gear pump for high viscosity material |
| 08/26/1993 | DE4204157A1 Hydrostatic bearing support of transport element - esp. pump rotor for transporting polymer melt or media in food industry |
| 08/18/1993 | EP0555621A1 Pump arrangement |
| 07/20/1993 | US5228837 High pressure pump for electro-rheological fluids |
| 07/06/1993 | US5224838 Gear pump with groover sealing means |
| 06/22/1993 | US5220829 Downhole formation pump |
| 06/09/1993 | DE4207088C1 Feeder for high viscosity e.g. rubber - has sealed housing contg. two revolving toothed wheels with spiral flow bores which return leaked material back to feed gap |
| 06/03/1993 | DE4214638C1 Sausage meat or fat filling machine - has section of suction channel from pump chamber to rotor centre through fixed side section of pump |
| 05/11/1993 | US5209937 Insert for barrel extruders |
| 05/11/1993 | US5209294 Rotor placer for progressive cavity pump |
| 05/11/1993 | US5209293 Apparatus for fluidizing formation fines entrained in formation fluids entering a production well penetrating an oil-bearing formation |
| 04/07/1993 | EP0535295A1 Device for the treatment of highly viscous rubber or thermoplastic synthetic material |
| 04/01/1993 | WO1993006371A1 Swash pump |
| 03/25/1993 | DE4131628A1 Taumelscheibenpumpe Swash plate pump |
| 03/02/1993 | US5190450 Gear pump for high viscosity materials |
| 02/01/1993 | CA2075028A1 Rotary oil well pump and sucker rod lift |
| 12/29/1992 | US5174725 Gear pump having multiple pairs of gears |
| 12/10/1992 | DE4121717A1 Eccentric scroll pump - has rotor connected to drive unit and feeding hopper with storage space at base for handling highly viscous material |
| 11/17/1992 | US5163824 Rubber-geared pump with shaftless gear |
| 11/12/1992 | WO1992019835A1 Hydraulically driven drilling motor for deep drilling |
| 11/12/1992 | DE4113986A1 Hydraulisch angetriebener bohrmotor zum tiefbohren Hydraulically driven drill motor for deep drilling |
| 10/21/1992 | EP0509218A2 Gear pump |
| 10/14/1992 | EP0508285A1 Gear metering pump for compounded elastomeric material |
| 10/09/1992 | CA2065502A1 Gear metering pump for compounded elastomeric material |
| 09/02/1992 | EP0501362A1 Gear pump |
| 09/01/1992 | US5143153 Rotary oil well pump and sucker rod lift |
| 08/13/1992 | DE4102956A1 Sealed pump for adhesive - is attached to slide running on vertical rod |
| 07/29/1992 | EP0496170A2 Positive displacement pumps |
| 06/25/1992 | CA2058325A1 Positive displacement pumps |
| 06/16/1992 | US5122038 High density grout pump |
| 06/09/1992 | US5120206 Gear metering pump for compounded elastomeric material |
| 05/12/1992 | US5112349 Heart assist pump |
| 04/29/1992 | EP0482912A1 Downhole pump for formation testing |
| 04/29/1992 | EP0482874A1 Pump for inflating downhole packer |
| 04/15/1992 | EP0480101A1 Heart assist pump |
| 04/15/1992 | CN1060340A Pressurizing device for transfer pump of viscous materials |
| 04/07/1992 | US5102314 Vane pump for conveying pasty masses, in particular sausage meat |
| 04/07/1992 | US5102294 Screw pump |
| 03/25/1992 | EP0475945A1 Two-stage pumping apparatus with low shear first stage |
| 03/25/1992 | CN1059783A Rotary pump made of engineering ceramic |
| 03/24/1992 | US5097902 Progressive cavity pump for downhole inflatable packer |
| 03/17/1992 | US5096396 Rotary apparatus having passageways to clean seal chambers |
| 01/28/1992 | US5083909 Seawater hydraulic vane type pump |
| 01/07/1992 | CA2003534C Attachment for an oil well screw pump system |
| 12/03/1991 | US5069608 Vane pump for delivering pasty substances |
| 10/23/1991 | CN2087246U Loading mechanism for axial load in two direction |
| 09/24/1991 | US5051072 Gas removable pump for liquid |
| 09/04/1991 | EP0444941A1 Improvements in or relating to rotary pumps |
| 08/14/1991 | EP0440622A1 Improved lobe pump |
| 08/14/1991 | DE4104282A1 Pump designed to handle wet cement - has screen conveyor connected to serpentine rotor mounted in stator |
| 08/13/1991 | CA1287603C Apparatus and method of quantitatively delivering food materials |
| 07/31/1991 | CN2081902U High-temp. gear pump |
| 06/19/1991 | EP0432388A1 Vane pump for the transport of pasty masses, in particular sausage mince |
| 06/15/1991 | CA2030854A1 Vane pump for conveying pasty masses, in particular sausage meat |
| 06/05/1991 | EP0430636A2 Gas removable pump for liquid |
| 05/28/1991 | CA2030493A1 Gas removable pump for liquid |