| 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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| 09/30/2004 | WO2004083636A2 Proportioning pump including integral orifice |
| 09/30/2004 | WO2004030860A3 Flow control system |
| 09/29/2004 | CN2644707Y Bimetal stopping-receding bench cylinder liner |
| 09/23/2004 | US20040182092 Proportioning pump including integral orifice |
| 09/23/2004 | DE102004010070A1 Saugventileinrichtung eines Kolbenverdichters Suction valve of a reciprocating compressor |
| 09/22/2004 | EP1460268A2 Dosing pump for fluids containing fibrous material additives |
| 09/22/2004 | EP1458508A1 Hydraulic device for pumping molten metal and/or controlling a molten metal flow |
| 09/21/2004 | US6793467 Thick matter pump |
| 09/21/2004 | CA2257625C Axial plunger slurry pump |
| 09/15/2004 | CN2641315Y Improved concrete pump |
| 09/15/2004 | CN2641314Y Concrete pump S pipe valve material guiding means |
| 09/08/2004 | CN2639564Y Piston of pump |
| 09/08/2004 | CN2639555Y Cutting ring used on concrete transportation pump |
| 09/02/2004 | WO2004074688A1 A hose pump feeding device |
| 08/26/2004 | WO2004072480A2 Reciprocating pump for liquid and pasty media |
| 08/25/2004 | CN2635938Y 柱塞泵 Piston |
| 08/24/2004 | US6779983 Sludge pump with management system |
| 08/18/2004 | EP1446272A1 Pump with integral filter for a hot melt adhesive system |
| 08/17/2004 | US6776558 Method and arrangement for concreting vertical shafts |
| 08/12/2004 | US20040154333 Solifdification; heating ; pressurization; accumulation |
| 08/12/2004 | DE20313408U1 Vibrator pressure submergible pump for pumping water operates with a membrane system linked to a pump valve, an oscillating motor and a pump system activated by an alternating current |
| 08/12/2004 | DE10306476B3 Injection assembly, for an injection molding machine, has a forced mixing zone at the piston between the sealing zone and the screw to give a defined mixing action with low maintenance |
| 08/11/2004 | EP1444437A1 Material feeding container for two-cylinder thick matter pumps |
| 08/04/2004 | CN1517548A Powder pump device and its using method and powder coating device |
| 07/29/2004 | US20040146412 Method for controlling a thick matter pump |
| 07/22/2004 | DE10300280A1 Pumpeneinrichtung für Pulver, Verfahren hierfür und Pulverbeschichtungseinrichtung Pump means for powder, powder coating equipment and method therefor |
| 07/21/2004 | CN2627243Y Vehicle mounted concrete transfer pump |
| 07/21/2004 | CN2627242Y Concrete pump electrohydraulic logic control device |
| 07/21/2004 | CN2627237Y Piston type hydraulic pump |
| 07/21/2004 | CN1513785A Material used for pyroceram pump |
| 07/15/2004 | WO2004059165A1 A structure and the manufacturing method for friction parts on concrete pump |
| 07/15/2004 | WO2004035228A3 Paste ejection apparatus |
| 07/14/2004 | EP1437178A2 Powder pumping installation, Method therefore and powder coating installation |
| 07/14/2004 | EP1436507A1 Thick matter pump comprising a transport capacity control system |
| 07/14/2004 | EP1030971B1 Cryogenic pump |
| 07/08/2004 | CA2453866A1 Method and system for pumping powder, and powder coating apparatus |
| 06/17/2004 | DE10313603A1 Pump for liquid metal has pipe passing through magnetic field surrounded by electro magnets driving a dynamic field |
| 06/16/2004 | EP1427914A1 Hydrostatic machine with compensated sleeves |
| 06/16/2004 | EP1427536A1 Device for conveying powder and method for operating the same |
| 06/09/2004 | CN1503879A Fluid controlled pumping system and method |
| 06/09/2004 | CN1503868A Method for hydraulic subsea dredging |
| 06/03/2004 | WO2004013493A3 Process and apparatus for assembling and disassembling a cryogenic pump |
| 06/03/2004 | US20040105759 High pressure pump system for supplying a cryogenic fluid from a storage tank |
| 05/27/2004 | WO2004023029B1 Combined liquefied gas and compressed gas re-fueling station and method of operating same |
| 05/26/2004 | EP1421278A1 Pumping arrangement |
| 05/26/2004 | CN2617954Y Chemical double component injecting pump |
| 05/19/2004 | EP1419316A1 Method for controlling a thick matter pump |
| 05/19/2004 | CN2616713Y Hydraulic control module for concrete pump |
| 05/19/2004 | CN2616705Y Bogheadite coal conveying pump |
| 05/19/2004 | CN1150121C Device for pneumatic transport of material such as concrete |
| 05/13/2004 | US20040092789 Pump driving unit for driving a pump used for supporting or substitution of cardiac function |
| 05/13/2004 | DE20220881U1 Vorrichtung zum Fördern von Pulvern Device for conveying powders |
| 05/12/2004 | CN2615381Y Adapter coupling branching pump pipe |
| 05/11/2004 | US6733247 Pumping device for viscous slurry material |
| 05/11/2004 | US6732647 Pump for inking or like purposes |
| 05/04/2004 | US6729860 Pneumatically driven liquified gas booster pump |
| 04/29/2004 | WO2004035228A2 Paste ejection apparatus |
| 04/28/2004 | CN1492968A Method for controlling thick matter pump |
| 04/21/2004 | CN2612818Y Long lifetime glasses plate for concrete transfer pump |
| 04/21/2004 | CN2612817Y Paste jar structure composing multifunctional mud injecting pump |
| 04/21/2004 | CN2612816Y High-pressure plunger slurry pump |
| 04/20/2004 | US6722866 Pump system for delivering cryogenic liquids |
| 04/15/2004 | WO2004030860A2 Flow control system |
| 04/15/2004 | US20040071575 Concrete pump with S-tube valve assembly with retainer ring for spring |
| 04/15/2004 | US20040069801 Paste ejection apparatus |
| 04/15/2004 | DE10339812A1 Pressure transfer cylinder for slurry which consists of e.g. concrete, mortar, has cylinder main body with first layer consisting of internal peripheral surface side of high chrome cast iron, and second layer consisting of carbon steel |
| 04/14/2004 | EP1407144A1 High-pressure pump |
| 04/14/2004 | CN2611631Y Fault warning controller of concrete pump |
| 04/14/2004 | CN1488855A Mud pressure pump and method for manufacturing mud pressure cylinder |
| 04/07/2004 | CN2610120Y Rotation concrete pump pipe joint |
| 04/07/2004 | CN2610119Y Piston packing cup of mud pump |
| 04/07/2004 | CN2610113Y Long service life cutting ring of concrete transporting pump |
| 04/07/2004 | CN1487195A Multi-component metering & dispensing system |
| 04/01/2004 | US20040060607 Flow control system |
| 04/01/2004 | DE20319933U1 Pump for sludge and gravel has a double piston with floating disc valves to create a water piston effect for improved pumping efficiency |
| 03/31/2004 | EP1402181A1 Device for transporting a free-flowing bulk product to be transported |
| 03/31/2004 | EP1402180A1 Device for conveying free-flowing or bulk materials |
| 03/31/2004 | EP1402179A1 Device for conveying flowable or pourable material |
| 03/31/2004 | EP1156975B1 Transport of solid particulates |
| 03/31/2004 | CN1485565A Aoncrete transfer pump lubricating arrangement |
| 03/25/2004 | WO2004025119A2 Thick material pump |
| 03/25/2004 | US20040055580 High pressure fuel supply pump for internal combustion engine |
| 03/18/2004 | WO2004023029A1 Combined liquefied gas and compressed gas re-fueling station and method of operating same |
| 03/18/2004 | US20040050961 Piston pump for high viscous materials |
| 03/18/2004 | US20040050073 Process, apparatus, and kit for assembling and disassembling a cryogenic pump |
| 03/17/2004 | CN1482359A Vehicle mounted concrete transfer pump |
| 03/11/2004 | DE10240256A1 Pump for viscous fluid has load pressure device wholly or partly connected to supply line in switching phase region |
| 03/04/2004 | US20040040986 Multiple component metering and dispensing system |
| 03/04/2004 | DE4228806B4 Vorrichtung zur Förderung von Dickstoffen Apparatus for conveying thick materials |
| 03/03/2004 | EP1393928A2 Multiple component metering and dispensing system |
| 02/26/2004 | WO2003059521A3 Runaway protection for sprayer |
| 02/25/2004 | EP1299598B1 Support booms for mobile working machines and mobile concrete pump with said support booms |
| 02/12/2004 | WO2004013493A2 Process and apparatus for assembling and disassembling a cryogenic pump |
| 02/12/2004 | DE10235140A1 Kolbenpumpe Piston pump |
| 02/11/2004 | EP1387959A2 Fluid controlled pumping system and method |
| 02/10/2004 | US6688115 High-pressure delivery system for ultra high purity liquid carbon dioxide |
| 02/04/2004 | EP1387085A2 Piston pump for viscous materials |
| 01/29/2004 | WO2004009160A1 An infusion pump system, an infusion pump unit and an infusion pump |
| 01/22/2004 | WO2004007958A1 High pressure pump for cryogenic liquid media |
| 01/21/2004 | CN2600612Y Cone bunker of concrete pump |