| Patents for F04C 13 - Adaptations of machines or pumps for special use, e.g. for extremely high pressures (1,349) |
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| 05/20/1998 | EP0843094A1 Helical gear pump |
| 04/08/1998 | EP0834328A1 Dialysis machine with means for decalcification of the dialysate circuit and method for determining its degree of calcification |
| 04/02/1998 | DE19711935A1 Microsurgical apparatus for opening up occluded blood vessel |
| 03/25/1998 | EP0830934A2 Positive displacement pumps |
| 03/25/1998 | EP0830510A1 Microfabricated, tube located gear pump system |
| 03/17/1998 | US5727933 Pump and flow sensor combination |
| 03/12/1998 | WO1998010193A1 Rotary piston regulating device |
| 03/11/1998 | EP0828077A1 Zirconia and zirconia composite ceramic shafts for gear micropumps and method of making same |
| 02/24/1998 | US5720603 Vane pump |
| 01/22/1998 | WO1998002662A1 Control of lubrication and temperature of the bearings of a pump |
| 01/22/1998 | DE19625567A1 Kraftstoff-Förderpumpe für eine Kraftstoff-Einspritzpumpe für Brennkraftmaschinen Fuel feed pump for a fuel injection pump for internal combustion engines |
| 01/13/1998 | US5707221 Method of plural zone pumping utilizing controlled individual pump inlet in each zone |
| 01/07/1998 | CN1169511A Gear pump for use in electrically-operated sealed compressor |
| 01/06/1998 | US5704767 Integral pump and flow meter device |
| 12/31/1997 | WO1997049916A1 Fuel supply pump for a fuel injection pump for internal combustion engines |
| 12/17/1997 | EP0812988A1 Process and apparatus for the extrusion of caoutchouc mixtures by means of a gear pump |
| 12/11/1997 | DE19622722A1 Micro-motor and micro-pump e.g. for technical and medical fields |
| 12/10/1997 | EP0811767A1 Gear oil pump for hermetic compressor |
| 12/03/1997 | EP0749530B1 Dosing cap |
| 11/18/1997 | US5688114 Progressing cavity pumps with split extension tubes |
| 11/13/1997 | WO1997022807A3 Vane pump for conveying viscous substances |
| 11/06/1997 | WO1997041354A1 Bending rod connection |
| 11/06/1997 | CA2252685A1 Bending rod connection |
| 10/30/1997 | WO1997040273A1 Progressive cavity pumps using composite materials |
| 10/23/1997 | DE19636255C1 High availability dialysis unit with automatic removal of accumulated lime-scale deposits |
| 10/08/1997 | EP0799997A1 Hydraulic pump, suitable for food products |
| 10/02/1997 | DE19625992C1 Emptying ship's tank filled with oil or chemicals |
| 09/20/1997 | CA2196250A1 Progressing cavity pumps with split extension tubes |
| 09/16/1997 | US5667369 Volumetric pump driven by a continuous tube |
| 07/02/1997 | EP0781969A2 Solar system with gear pump |
| 06/26/1997 | WO1997022807A2 Vane pump for conveying viscous substances |
| 06/24/1997 | US5641281 Lubricating means for a gear pump |
| 06/12/1997 | WO1997021055A1 A sub-sea pumping system and an associated method |
| 06/12/1997 | DE19617213C1 Bending shaft connection for pump rotor or drill head |
| 04/29/1997 | US5624249 Pumping process for operating a multi-phase screw pump and pump |
| 04/23/1997 | EP0769621A1 Micropump and micromotor |
| 04/03/1997 | WO1997012147A1 Micromotor and micropump |
| 04/03/1997 | WO1997011737A1 System for actively supporting the flow of body fluids |
| 03/27/1997 | DE19535781A1 System zur aktiven Strömungsunterstützung von Körperflüssigkeiten System to support active flow of body fluids |
| 03/25/1997 | US5613846 Filling, fluid-transporting, and pumping device |
| 03/18/1997 | US5611397 Reverse Moineau motor and centrifugal pump assembly for producing fluids from a well |
| 03/06/1997 | DE19628983A1 Pump assembly with hydrodynamic sliding bearings, for use in high pressure liquid chromatography |
| 02/19/1997 | EP0758432A1 Vapor control system |
| 02/13/1997 | DE19547041C1 Flügelzellenpumpe für das Fördern von Dickstoffen Vane pump for conveying thick materials |
| 02/12/1997 | EP0757758A1 An installation and a method for pumping up fluid from the earth's crust |
| 02/05/1997 | EP0699276B1 Pumping process for operating a multi-phase screw pump and pump |
| 01/15/1997 | EP0753665A1 Gear pump |
| 01/02/1997 | EP0751355A1 Transport mechanism for the cyclic transporting of the cooled down content of a pipe in a hot water distribution system |
| 12/27/1996 | EP0749530A1 Dosing cap |
| 12/19/1996 | WO1996041080A1 Microfabricated, tube located gear pump system |
| 12/03/1996 | US5580234 Hydraulically operated rotary vibrator |
| 11/28/1996 | WO1996037705A1 Bearing system for the shaft of a pump for conveying media of differing viscosity |
| 11/19/1996 | US5575629 Vapor control system |
| 10/22/1996 | US5567126 System and method for preventing the release of vapor into the atmosphere |
| 10/09/1996 | EP0736128A1 Downhole motor for a drilling apparatus |
| 10/08/1996 | US5562433 Pumping system comprising a high-capacity positive-displacement pump |
| 09/24/1996 | US5558116 Metering cap |
| 08/20/1996 | US5547356 Gear pump and method of using same |
| 07/17/1996 | EP0722044A2 Integral pump and flow meter device |
| 07/12/1996 | CA2166952A1 Integral pump and flow meter device |
| 06/26/1996 | EP0718497A1 Vane pump |
| 06/04/1996 | US5522714 Driving mechanism for driving a gear pump for forcing a highly viscous resin |
| 06/04/1996 | US5522709 Apparatus for intermittent transfer of fluid having vapor trap seal and vapor escape means |
| 05/29/1996 | EP0713974A1 Moineau pump |
| 05/29/1996 | CN1123370A Wear resistant pump |
| 05/21/1996 | US5518379 For rotating a tool |
| 05/02/1996 | DE19516578C1 Internal gearwheel pump for continuous sterile cleaning |
| 03/26/1996 | US5501580 Progressive cavity pump with flexible coupling |
| 03/14/1996 | DE4442060C1 Eccentric screw pump for highly viscous media |
| 03/06/1996 | EP0699276A1 Pumping process for operating a multi-phase screw pump and pump |
| 02/27/1996 | US5494425 Process and arrangement including a gear pump for handling thermoplastic liquified material |
| 02/14/1996 | EP0696680A1 Gear pump for the delivery of lacquer |
| 02/14/1996 | EP0696679A1 Gear pump for the delivery of lacquer |
| 02/08/1996 | CA2143178A1 Centralizer stops |
| 02/01/1996 | DE4427059A1 Spray trolley esp. for spraying manure, pesticides etc. in agricultural use |
| 11/09/1995 | WO1995030091A1 Vapor control system |
| 11/09/1995 | WO1995030090A1 An installation and a method for pumping up fluid from the earth's crust |
| 10/18/1995 | EP0677660A1 Gear pump |
| 10/03/1995 | US5454699 Wobble pump |
| 09/21/1995 | DE4408659A1 Device for pumping viscous materials |
| 09/14/1995 | WO1995024556A1 Dosing cap |
| 09/05/1995 | US5447416 Pumping device comprising two suction inlet holes with application to a subhorizontal drain hole |
| 08/30/1995 | EP0669465A2 Bearing arrangement for a viscous fluid pump |
| 08/02/1995 | CN1106195A Filling, fluid-transporting and pumping device |
| 07/27/1995 | DE4401688A1 Rotary pump for fluids which contain solids |
| 07/20/1995 | WO1995019488A1 Downhole motor for a drilling apparatus |
| 07/19/1995 | EP0605471B1 Swash pump |
| 07/11/1995 | US5431546 Apparatus for intermittent transfer of fluid having vapor trap seal and vapor escape means |
| 07/06/1995 | DE4419530C1 Kneading machine with adjacent kneading chambers |
| 06/20/1995 | US5425625 Car-used electric fuel pump |
| 06/17/1995 | CA2138356A1 Pumping system comprising a high-capacity positive displacement pump |
| 05/23/1995 | US5417281 Reverse Moineau motor and pump assembly for producing fluids from a well |
| 05/18/1995 | DE4338971A1 Pump for thermoplastic melt |
| 03/15/1995 | EP0643223A1 Method and arrangement for sealing a shaft passage in gear pumps |
| 03/09/1995 | WO1995006819A1 Vane-cell pump |
| 03/02/1995 | WO1995006188A1 Apparatus for intermittent transfer of fluids having a vapor trap seal |
| 03/02/1995 | DE4405333C1 Vane pump |
| 02/24/1995 | CA2129468A1 Apparatus for intermittent transfer of fluid |
| 02/14/1995 | US5388974 Gear pump |
| 01/10/1995 | US5380240 Process and device for the subdivision of a pasty and compressible mass in portions, in particular of sausage meat by means of a vane cell pump |