| Patents for F04B 15 - Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts (3,388) |
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| 03/03/1998 | US5722930 Reciprocating pump circulatory assist arrangement |
| 03/03/1998 | US5722429 Connecting arrangement for medical device |
| 02/10/1998 | US5716447 Construction material cement mixture containing polyoxyethylene glycol and diethylene glycol monobutyl ether and/or derivative; high strength, high flow, |
| 01/22/1998 | WO1998002368A1 Materials for production of containers |
| 01/22/1998 | DE19628643A1 Werkstoffe für die Herstellung von Transportbehältern Materials for the manufacture of transport containers |
| 01/22/1998 | CA2261114A1 Materials for production of containers |
| 01/21/1998 | EP0626892B1 Pump apparatus for pumping melt metal |
| 01/08/1998 | WO1998000640A1 System for monitoring diaphragm pump failure |
| 01/08/1998 | CA2259282A1 System for monitoring diaphragm pump failure |
| 01/07/1998 | EP0815277A1 Corrosion resistant cermet wear parts |
| 12/31/1997 | CN2271619Y Plastic corrosion-proof pump |
| 12/30/1997 | US5702430 Surgically implantable power supply |
| 12/17/1997 | CN1167878A Straight shaft plunger mud pump |
| 12/17/1997 | CN1167877A Axial air intake and exhaust double-action liquid ring pump |
| 12/11/1997 | WO1997046804A1 A ram-type mud pump |
| 12/10/1997 | EP0736140B1 Slide valve for a twin-cylinder pump for viscous fluids |
| 12/03/1997 | CN2269477Y Anti-explosive oil pump device |
| 12/02/1997 | US5693091 Artificial heart and method of maintaining blood flow |
| 11/26/1997 | EP0808422A1 Process and device for feeding concrete or other thick materials |
| 11/25/1997 | US5690828 Automatic analysis |
| 11/25/1997 | US5690478 Solid material pump |
| 11/13/1997 | WO1997042413A1 Hybrid magnetically suspended and rotated centrifugal pumping apparatus and method |
| 11/05/1997 | EP0805273A2 Thick matter pump |
| 11/05/1997 | EP0805272A2 Thick matter pump |
| 11/05/1997 | CN2266656Y Non-isolating thick fluid pump |
| 10/29/1997 | EP0710328B1 Continuous conveying process and device for shear-sensitive fluids |
| 10/22/1997 | EP0801994A2 Pump for electrically conductive coating materials |
| 10/14/1997 | US5676651 Surgically implantable pump arrangement and method for pumping body fluids |
| 10/14/1997 | US5676162 Reciprocating pump and linear motor arrangement |
| 09/30/1997 | US5671656 Paint pump fluid section |
| 09/10/1997 | EP0793986A1 Multi-chambered super-critical fluid extraction cartridge and processes using it |
| 09/10/1997 | CN2262110Y Mechanical high pressure paint pump |
| 09/04/1997 | WO1997032130A1 Vapor recovery pump |
| 09/04/1997 | CA2247054A1 Vapor recovery pump |
| 08/27/1997 | EP0791369A1 Pump |
| 08/27/1997 | EP0791126A1 Dual-piston pump apparatus |
| 08/26/1997 | US5660532 Multiphase piston-type pumping system and applications of this system |
| 08/19/1997 | US5658678 Corrosion resistant cermet wear parts |
| 08/12/1997 | US5655891 For a viscous rubber-like material |
| 08/12/1997 | US5655689 Media dispenser having a variable constriction outlet |
| 08/12/1997 | CA2041511C Dual-acting, reciprocating piston pump |
| 08/05/1997 | US5653885 Apparatus and method for supercritical fluid extraction |
| 07/01/1997 | US5642987 Method for pumping a liquefied gas |
| 07/01/1997 | US5642576 Suction dredge pump apparatus |
| 06/04/1997 | EP0776425A1 Device for opening and closing a valve |
| 06/03/1997 | US5635070 Pumping speed controlled and volume pumped determined from pressure-related signal in feedback circuit |
| 05/22/1997 | WO1997018395A1 Process and device for controlling a two-cylinder thick medium pump |
| 05/15/1997 | DE19542258A1 Verfahren und Vorrichtung zur Steuerung einer Zweizylinder-Dickstoffpumpe Method and apparatus for controlling a two-cylinder thick matter pump |
| 05/06/1997 | CA2106647C Valved discharge mechanism in a refrigerant compressor |
| 04/29/1997 | US5624246 Hydraulic ammonia solution pump |
| 04/09/1997 | EP0767306A1 machine for pumping building materials |
| 04/01/1997 | US5616012 Ammonia pump |
| 04/01/1997 | US5616009 Mud pump |
| 03/25/1997 | US5614089 Apparatus and method for supercritical fluid extraction or supercritical fluid chromatography |
| 03/19/1997 | EP0681672B1 Process for conveying thick matter containing preshredded scrap metal or similar solids |
| 03/18/1997 | US5611681 Reciprocating rod type pump for shear sensitive material |
| 03/11/1997 | USRE35473 Sludge flow measuring system |
| 03/06/1997 | WO1997008460A1 Crankshaft driven expansible chamber pump |
| 03/05/1997 | EP0760244A1 Linear pump |
| 02/27/1997 | DE19531358A1 Pump for viscous materials, especially concrete |
| 02/25/1997 | US5605446 High viscosity material pump having valved priming piston |
| 02/12/1997 | EP0757756A1 Thick matter pump |
| 02/11/1997 | US5603075 Ceramic borides, carbides, nitrides, oxides, silicides, binder alloy, corrosion resistance additives; machining |
| 02/11/1997 | US5601707 Apparatus and method for supercritical fluid extraction or supercritical fluid chromatography |
| 01/22/1997 | CN1033872C Apparatus for controlling mechanism for pressing S-shaped sluice valve of concrete pump |
| 01/14/1997 | US5593288 Liquefied gas pump |
| 01/07/1997 | US5591019 Vapor recovery pump |
| 01/07/1997 | US5591012 Conveying pump for supply containers of various heights |
| 01/01/1997 | CN1033712C High temp resistant, corrosion-resisting pump and its manufacturing method |
| 12/18/1996 | EP0748938A1 Device and method for pumping mortar |
| 12/18/1996 | EP0748235A1 Reciprocating pump arrangement |
| 12/17/1996 | US5584989 Apparatus for supercritical fluid extraction having means for removing extraction from collection solvent |
| 12/03/1996 | US5580166 Cement pump for a wet spray system |
| 11/27/1996 | EP0744546A1 Pump device for cryogenic fluids |
| 11/26/1996 | US5578752 Process for measuring the flow rate of thick matter pumps |
| 11/20/1996 | EP0743451A1 Cryogenic pump |
| 11/20/1996 | CN2240626Y Novel structure for concrete pump |
| 11/19/1996 | US5575626 Cryogenic pump |
| 11/13/1996 | EP0644791A4 Apparatus and method for supercritical fluid extraction. |
| 11/13/1996 | CN1033289C Double cylinders mud pump |
| 11/12/1996 | US5573385 Dual chamber pump |
| 11/12/1996 | CA1338695C Multi-phase pumping device with plunger and applications thereof |
| 11/06/1996 | EP0639099A4 Apparatus and method for supercritical fluid extraction. |
| 11/06/1996 | EP0639098A4 Apparatus and method for supercritical fluid extraction. |
| 10/29/1996 | US5569024 Pump for delivering hot, corrosive media |
| 10/15/1996 | US5564908 Fluid pump having magnetic drive |
| 09/12/1996 | WO1996027687A1 Corrosion resistant cermet wear parts |
| 09/04/1996 | EP0730092A1 Pump for pumping a fluid including a liquified gas and device comprising such a pump |
| 09/04/1996 | CN2234513Y Corrosion-resistant submerged pump |
| 09/04/1996 | CN1032710C Unit for sealing of relative sliding surface of S shaped sluice valve of concrete pump |
| 09/03/1996 | US5551488 Method of filling a two-compartments storage tank with cryogenic fluid |
| 08/29/1996 | DE19506582A1 Low temperature piston fluid pump unit for vehicle |
| 08/28/1996 | CN1129776A High efficiency flow-through priming piston |
| 08/20/1996 | US5547352 Crankshaft driven reciprocating piston pump having plural guide rods |
| 08/15/1996 | WO1996024767A1 Process and device for feeding concrete or other thick materials |
| 08/14/1996 | EP0726393A1 Cryogenic pump |
| 08/14/1996 | EP0592395B1 A pump assembly comprising two displacement pumps |
| 08/13/1996 | US5545015 Self-cooled and removable integrated cryogenic liquid pump |
| 08/08/1996 | DE19504751A1 Magnet pump for liquid and gas media |
| 08/08/1996 | DE19503986A1 Verfahren und Vorrichtung zum Fördern von Beton oder anderen Dickstoffen Method and device for conveying concrete or other thick materials |