| 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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| 05/26/2005 | US20050112003 Pump design for circulating supercritical carbon dioxide |
| 05/25/2005 | DE10342338A1 Schiebervorrichtung für eine Dickstoffpumpe sowie Verschleißleiste hierfür Slide device for a slurry pump and wear strip for this purpose |
| 05/11/2005 | CN2699007Y Concrete piston for concrete pump |
| 04/20/2005 | CN2693992Y Inertial suction valve for carbon dioxide pump |
| 04/20/2005 | CN2693985Y Multifunctional concrete delivery pump |
| 04/20/2005 | CN1198055C Distribution valve for concrete transport pump |
| 04/14/2005 | WO2005033508A1 Piston high-density pump with a continuous flow rate |
| 04/14/2005 | WO2005033507A1 Sliding device for a viscous material pump, and wear strip therefor |
| 04/13/2005 | EP1522735A2 Shaft and post assemblies for molten metal pumping apparatus |
| 04/06/2005 | CN1603617A Submersible pump for water-saving drilling |
| 03/31/2005 | US20050069438 Hydraulic device for pumping molten metal and/or controlling a molten metal flow |
| 03/30/2005 | CN2688921Y Sand sucking heads |
| 03/29/2005 | CA2349901C Combination air compressor-lifting jack |
| 03/24/2005 | DE10045960B4 Leimpumpe mit getrenntem Flüssigkeits- und Antriebsbereich Glue pump with separate liquid and driving range |
| 03/16/2005 | CN2685603Y Front mixing abrasive pulp jet generator |
| 03/02/2005 | CN2682227Y Air compression type concrete transfer pump |
| 02/23/2005 | EP1507976A1 A pump unit for emulsifying air into a product in particular for ice cream production |
| 02/23/2005 | CN1585856A Material feeding container for two-cylinder thick matter pumps |
| 02/23/2005 | CN1584331A Glass fibre reniforced plastic casing for concrete towning pump |
| 02/22/2005 | US6857861 Ring for concrete pump |
| 02/17/2005 | DE10235140B4 Kolbenpumpe Piston pump |
| 02/16/2005 | CN1580551A Piston-dislocation type reciprocating pump |
| 02/10/2005 | US20050031466 Pump plungers and methods |
| 02/09/2005 | EP1053360B1 Extrusion pump |
| 02/09/2005 | CN2677664Y Double-diaphragm all-plastic noncorrosive pump |
| 02/09/2005 | CN2677660Y Separation reciprocating hydraulic diaphragm pump |
| 01/27/2005 | US20050019106 Device for conveying powder and method for operating the same |
| 01/27/2005 | DE19751082B4 Mobile Pumpenvorrichtung und Kupplung Mobile device pumps and clutch |
| 01/26/2005 | CN1571886A Thick matter pump comprising a transport capacity control system |
| 01/26/2005 | CN1571883A Method and apparatus for pumping a cryogenic fluid from a storage tank |
| 01/25/2005 | CA2353022C Fluid pumping system for particulate material |
| 01/20/2005 | WO2005005830A1 Liquid pump and method for pumping a liquid that may have gas coming out of solution |
| 01/20/2005 | WO2005005340A1 Use of ceramics in pump liners |
| 01/20/2005 | WO2004083636B1 Proportioning pump including integral orifice |
| 01/20/2005 | US20050011350 Displacement shift valve and pumping apparatus and methods using such a valve |
| 01/19/2005 | CN1565939A Plunger pump |
| 01/12/2005 | CN2670679Y Assembled piston mechanism of slip casting pump |
| 01/12/2005 | CN1564910A High pressure pump system for supplying a cryogenic fluid from a storage tank |
| 01/12/2005 | CN1563714A Reciprocating pump driven by linear dynamo |
| 01/11/2005 | US6840540 Support struts for mobile working machines and mobile concrete pump with said support struts |
| 01/06/2005 | WO2004094820A3 Electromagnetic pump |
| 01/05/2005 | EP1493922A1 Liquid pump and method for pumping a liquid that may have gas coming out of solution |
| 01/05/2005 | EP1204822B1 Cryogenic pump manifold with subcooler and heat exchanger |
| 01/05/2005 | CN2668888Y Concrete pump with pipe-blocking-proof function |
| 01/05/2005 | CN1183018C Transport of solid particulates |
| 12/30/2004 | US20040265144 Hybrid compressor |
| 12/30/2004 | US20040261869 Material feeding container for two-cylinder thick matter pumps |
| 12/29/2004 | WO2004090330A3 Screw pump |
| 12/29/2004 | CN2667197Y Variable frequency control high pressure slip casting pump |
| 12/23/2004 | US20040258532 Runaway protection for sprayer |
| 12/22/2004 | CN2665404Y Oil thickening pump with a below-mounted weight adding device |
| 12/22/2004 | CN2665400Y Three gradation concrete transfer pump |
| 12/09/2004 | US20040247454 Hydrostatic machine with compensated sleeves |
| 12/09/2004 | DE10318004B3 Conveying device for paint and other viscous media has a drive motor operated by compressed air and formed in the end layers of a controllable adjusting piston arranged in a cylinder |
| 12/08/2004 | CN2661962Y Planetary deceleration squeeze mortar pump |
| 12/01/2004 | CN2660171Y Slurry pump piston assembly for drilling machinery |
| 12/01/2004 | CN2660162Y Portable seawater hand pump |
| 11/23/2004 | US6821097 Concrete pump with S-tube valve assembly with wear ring-spring-retainer ring construction |
| 11/23/2004 | US6821096 Multiple component metering and dispensing system |
| 11/23/2004 | CA2401926C Combined liquefied gas and compressed gas re-fueling station and method of operating a combined liquefied gas and compressed gas re-fueling station |
| 11/18/2004 | US20040228746 Suction valve assembly of reciprocating compressor |
| 11/18/2004 | DE10312444B3 Dosierpumpe für mit Zusatzstoffen versetzte flüssige Medien Dosing pump for liquid media with additives shifted |
| 11/17/2004 | EP1477665A2 High pressure fuel supply pump for internal combustion engine |
| 11/17/2004 | CN2656666Y Concrete pump S pipe mouth sealing device |
| 11/16/2004 | CA2363062C Bottom entry pumping system with tertiary containment |
| 11/16/2004 | CA2184762C Linear pump |
| 11/11/2004 | WO2004083636A3 Proportioning pump including integral orifice |
| 11/11/2004 | US20040223855 Multiple component metering and dispensing system |
| 11/10/2004 | CN2654899Y Mini-electromagnetic pump |
| 11/10/2004 | CN2654898Y Slurry filling pump |
| 11/10/2004 | CN1544811A Three gradation concrete delivering pump |
| 11/04/2004 | WO2004094820A2 Electromagnetic pump |
| 11/04/2004 | WO2004072480A3 Reciprocating pump for liquid and pasty media |
| 11/04/2004 | US20040219026 Electromagnetic pump |
| 11/04/2004 | CA2519550A1 Electromagnetic pump |
| 11/03/2004 | CN1174167C Cut-off method and unit with compressed air for pump station |
| 10/28/2004 | WO2004092586A1 Enclosed compressor |
| 10/28/2004 | US20040213690 Pump with ceramic seal and methods for producing |
| 10/28/2004 | US20040213685 Infiltration pump having insulated rollers and programmable foot pedal |
| 10/28/2004 | US20040213684 Infiltration pump having insulated rollers and programmable foot pedal |
| 10/27/2004 | EP1471254A2 Hybrid compressor |
| 10/27/2004 | EP1471248A1 High pressure fuel supply pump for internal combustion engine |
| 10/27/2004 | EP1471247A2 High pressure fuel supply pump for internal combustion engine |
| 10/27/2004 | EP1471230A2 Piston engine balancing |
| 10/26/2004 | US6808086 Paste ejection apparatus |
| 10/21/2004 | WO2004090331A1 Liquid jetting device |
| 10/21/2004 | WO2004090330A2 Screw pump |
| 10/21/2004 | US20040206316 Rotary piston motor |
| 10/21/2004 | DE10316322A1 Radial piston pump, has pump housing with star-shaped cylinder drills arranged relative to a piston, inlet openings and exhaust ports for corresponding cylinder drill |
| 10/20/2004 | EP1278961B1 Pumping of liquefied gas |
| 10/20/2004 | CN2649813Y Cross valve for concrete transfer pump |
| 10/20/2004 | CN1538063A Suction valve assembly of reciprocating compressor |
| 10/14/2004 | WO2004088197A1 Carbon dioxide supply |
| 10/14/2004 | WO2004025119A3 Thick material pump |
| 10/14/2004 | US20040202560 Circuit board adapted to fan and fan structure |
| 10/14/2004 | US20040202548 Micropump with integrated pressure sensor |
| 10/14/2004 | DE10314797A1 Kohlendioxid-Versorgung Carbon dioxide supply |
| 10/13/2004 | EP1466098A2 Runaway protection for sprayer |
| 10/13/2004 | CN2648109Y Double-liquid slip casting pump |
| 10/07/2004 | US20040195274 Dispenser |