| 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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| 09/28/2006 | US20060216177 Liquid pump and method for pumping a liquid that may have gas coming out of solution |
| 09/27/2006 | CN2821222Y Steam condensation recovery pump |
| 09/27/2006 | CN2821220Y Automatic controller for concrete conveying pump constant power |
| 09/27/2006 | CN1837611A Sludge pump and its operation method |
| 09/20/2006 | CN1834458A Concrete continuous pumping delivery method and concrete pump appts |
| 09/19/2006 | US7107677 Process, apparatus, and kit for assembling and disassembling a cryogenic pump |
| 09/14/2006 | US20060204390 Proportioning pump including integral orifice |
| 09/13/2006 | EP1419316B1 Method for controlling a thick matter pump |
| 09/13/2006 | CN2816404Y Pneumatic mad-slurry pump |
| 09/13/2006 | CN1833106A A hose pump feeding device |
| 09/12/2006 | US7104057 Concrete-mortar transfer system of concrete pump car |
| 09/12/2006 | CA2169895C Process and means for controlling a polyphasic pumping unit |
| 09/06/2006 | EP1697680A1 Apparatus and method for holding a cryogenic fluid and removing same therefrom with reduced heat leak |
| 09/06/2006 | CN2813917Y Concrete conveyor pump pumping mechanism |
| 09/06/2006 | CN1828051A Double-body multi-cylinder high-pressure injection pump |
| 08/31/2006 | WO2006089772A1 Pump device and method for the continuous transport of pulpy substances |
| 08/31/2006 | DE102005008938A1 Pump device comprises two main conveyor cylinders with a switchable slider system that changes position of the connecting either first or second main conveyor cylinders to conveying channel and has compensation cylinder downstream |
| 08/31/2006 | DE102005008217A1 Hydraulic drive for two-cylinder thick matter pumps, has main pump, and blocking valve to block rinsing oil flow and to release oil flow after time delay, while diverting oil flow from low pressure side of hydraulic circuit into oil tank |
| 08/30/2006 | EP1402180B1 Device for conveying free-flowing or bulk materials |
| 08/30/2006 | CN2811598Y Oscillating oil cylinder connecting device of concrete pump |
| 08/17/2006 | WO2006084593A1 Motor vehicle that can be driven by cryogenically stored fuel, comprising a compressed air system |
| 08/16/2006 | CN1270081C Positive displacement valve pump |
| 08/09/2006 | EP1402179B1 Device for conveying flowable or pourable material |
| 08/09/2006 | CN1815043A Concret pump hydraulic system control oil circuit device (2) |
| 08/09/2006 | CN1815042A Concrete pump hydraulic system control oil circuit device |
| 08/09/2006 | CN1815041A Concrete pump hydraulic system auxiliary energy-storage flow-increasing device |
| 08/09/2006 | CN1815040A Concrete pump hydraulic system auxiliary energy-storage flow-increasing device (2) |
| 08/02/2006 | CN2802147Y Oil-way controller for hydraulic system of concrete pump |
| 08/01/2006 | US7083395 Pump system for pumping liquefied gases |
| 07/26/2006 | CN2799938Y Control oil circuit device for hydraulic system of concrete pump |
| 07/26/2006 | CN2799937Y Auxiliary energy storing and flow increasing device for hydraulic system of concrete pump |
| 07/26/2006 | CN2799892Y Negative pressure type slurry sucking machine |
| 07/20/2006 | US20060159565 Method and system for pumping powder, and powder coating apparatus |
| 07/19/2006 | CN1804398A Distributing valve for concrete pump |
| 07/13/2006 | US20060153700 Thick matter pump comprising a transport capacity control system |
| 07/12/2006 | CN2795486Y 切割环 Cutting ring |
| 07/11/2006 | US7073427 Hydrostatic machine with compensated sleeves |
| 07/06/2006 | DE202006006221U1 Förderpumpe und Dichtungsanordnung hierfür Pump and seal assembly therefor |
| 07/05/2006 | EP1129290A4 Systems and methods for control of pumps |
| 07/04/2006 | CA2373766C Hydraulic retention system for reciprocating pump cylinder liner |
| 07/04/2006 | CA2202961C System and method for controlling a materials handling system |
| 06/21/2006 | CN1791748A Proportioning pump including integral orifice |
| 06/15/2006 | US20060124361 Method of pumping drill cuttings and dual cylinder positive displacement pump for moving drill cuttings |
| 06/14/2006 | EP1669605A2 Assembly and method for preloading a cylinder liner and cylinder liner cartridge assembly |
| 06/14/2006 | CN2787877Y Leakless polymer injection pump |
| 06/14/2006 | CN1788160A Device and method for controlling a thick matter pump |
| 06/14/2006 | CN1788159A Device and method for controlling a thick matter pump |
| 06/14/2006 | CN1788158A Device and method for controlling a two-cylinder thick matter pump |
| 06/08/2006 | US20060120906 Structure and the manufacturing method for friction parts on concrete pump |
| 06/08/2006 | US20060118576 Pump with integral filter for a hot melt adhesive system |
| 06/07/2006 | EP1664531A1 Sliding device for a viscous material pump, and wear strip therefor |
| 06/07/2006 | EP1402181B1 Device for transporting a free-flowing bulk product to be transported |
| 06/07/2006 | CN2786316Y Plugging device |
| 05/30/2006 | US7051904 Pump with integral filter for a hot melt adhesive system |
| 05/26/2006 | WO2006053492A1 The use of polyamide composite for preparing pump or valve |
| 05/24/2006 | CN1777751A Electromagnetic pump |
| 05/23/2006 | US7048523 Proportioning pump including integral orifice |
| 05/23/2006 | US7048006 Material feeding container for two-cylinder thick matter pumps |
| 05/17/2006 | EP1657432A1 High pressure fuel supply pump for internal combustion engine |
| 05/17/2006 | CN1256511C Vehicle mounted concrete transfer pump |
| 05/10/2006 | CN2779135Y Vibration damping and full flux cooling apparatus of concrete pump |
| 05/10/2006 | CN2779134Y Cushioning type swing gate oil cylinder of concrete pump |
| 05/10/2006 | CN2779112Y Wear-resisting alloy ring, cutting ring and glasses plate applying the alloy ring |
| 05/10/2006 | CN2779104Y Pressure boost grouting pump |
| 05/10/2006 | CN2779103Y High pressure mixed fluid pump |
| 05/10/2006 | CN2779102Y Multifunctional high voltage mud injecting pump |
| 04/26/2006 | CN2775341Y Paste material transport pump |
| 04/13/2006 | WO2006037171A1 An improved reciprocating pump |
| 04/12/2006 | EP1235982B1 Thick matter pump |
| 04/11/2006 | CA2253435C Hybrid magnetically suspended and rotated centrifugal pumping apparatus and method |
| 04/06/2006 | WO2004074688A8 A hose pump feeding device |
| 04/05/2006 | CN2769549Y Respiratory tube type plunger pump |
| 04/05/2006 | CN1249341C Pumping arrangement |
| 04/05/2006 | CN1249007C Transporting method and transporting facility for easily polymerizable material |
| 03/29/2006 | EP1421278B1 Pumping arrangement |
| 03/28/2006 | US7018477 Dispensing system with a piston position sensor and fluid scanner |
| 03/22/2006 | CN2766064Y Slurry pump piston rod locking device |
| 03/22/2006 | CN2766060Y Double piston type slurry pumping machine |
| 03/22/2006 | CN2766059Y Double cylinder mechanical piston type slurry conveying apparatus |
| 03/15/2006 | CN2764962Y Sand conveying equipment with pump |
| 03/14/2006 | CA2379643C Pumping system and method for pumping fluids |
| 03/08/2006 | EP1185793B1 Method and arrangement for pumping material |
| 03/08/2006 | CN2763578Y Piston for mud pump |
| 03/02/2006 | DE19735091B4 Zweizylinder-Dickstoffpumpe Two-cylinder slurry pump |
| 03/01/2006 | CN2761865Y Three-cylinder plunger slurry pump |
| 03/01/2006 | CN1742159A A structure and the manufacturing method for friction parts on concrete pump |
| 02/28/2006 | US7004358 Dispenser |
| 02/21/2006 | CA2285503C Dispensing apparatus for viscous fluids contained in flexible packages |
| 02/16/2006 | DE102005009295A1 Dosiervorrichtung für Medien Metering device for media |
| 02/15/2006 | CN2758518Y Multi-stage change speed plunger mud pump |
| 02/14/2006 | CA2454458C Apparatus and method for holding a cryogenic fluid and removing same therefrom with reduced heat leak |
| 02/08/2006 | EP1623120A2 Electromagnetic pump |
| 02/08/2006 | CN1240779C Use of polyamide composite materials in preparation of pump or valve |
| 02/01/2006 | CN2755317Y Cylinder of concrete conveyor pump |
| 02/01/2006 | CN1729082A 流动控制系统 Flow control system |
| 01/26/2006 | DE69303376C5 Rohrweiche für eine zweizylinder dickstoffpumpe Diverter for a two-cylinder thick fuel pump |
| 01/24/2006 | CA2379641C Double acting, two-stage pump |
| 01/18/2006 | CN2752480Y Concrete pump |
| 01/18/2006 | CN1721292A Fluid-dispensing pump and container provided therewith |
| 01/17/2006 | US6986649 Micropump with integrated pressure sensor |