Patents
Patents for F04B 15 - Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts (3,388)
09/2008
09/24/2008EP1972783A1 Dispensing pump with an isolating membrane of one of its walls or end flange of the dispensing chamber
09/23/2008US7427190 Hydraulic device for pumping molten metal and/or controlling a molten metal flow
09/18/2008US20080226479 Piston Pump With Improved Piston
09/18/2008US20080226478 Metering pump with a protected pump chamber
09/18/2008DE102007013908A1 Conveyor system for deposits or reservoirs with flowable materials, has delivery pump consisting of delivery cylinder with delivery piston, and pressure cylinder with pressure piston
09/17/2008CN100419257C High-pressure mixing fluid pump
09/11/2008US20080219870 Device for Delivering Thick Matter
09/10/2008CN101263303A Linear adjustment controller for pressure control of paint pumps
09/04/2008US20080213110 Apparatus and Method for Compressing a Cryogenic Media
09/04/2008DE102007012207A1 Liquid concrete pump for underground use and similar hazardous zones has closed rinse water recovery system
09/03/2008EP1436507B1 Thick matter pump comprising a transport capacity control system
09/03/2008CN100416156C Combined liquefied gas and compressed gas re-fueling station and method of operating same
09/03/2008CN100416095C Device and method for controlling a thick matter pump
08/2008
08/27/2008CN101249288A External magnetically-actuated device for supplying power for blood pump
08/21/2008US20080199322 Method And Apparatus For Pumping Out The Liquid In A Container
08/20/2008CN201103522Y Vehicle mounted electric motor type concrete delivery pump
08/20/2008CN201103521Y Pump suction type deposit collector
08/20/2008CN101248274A Device for delivering thick matter
08/20/2008CN101248271A Method and apparatus for pumping out the liquid in a container
08/20/2008CN101245866A Concrete distributing valve and concrete pumping mechanism
08/20/2008CN100412358C Piston high-density pump with a continuous flow rate
08/14/2008DE102007005993A1 Sealing device for sealing rotatable or translatory movable drive element, particularly pump shaft for delivering fluids such as hot melt adhesive, comprises agent for keeping sealing range at moderate temperature
08/13/2008CN101240851A Application method and uses of porcelain sealed ring in mechanical rotary device
08/12/2008US7410348 Multi-speed compressor/pump apparatus
08/06/2008CN201096067Y High pressure cleaning machine plastic pump
08/05/2008US7407022 Apparatus for pumping drill cuttings and dual cylinder positive displacement pump for moving drill cuttings and method of use
07/2008
07/31/2008DE102007004338A1 Thick material pump, particularly concrete pump, has processing device for sewage water from cleaning of thick material pump, where processing device has collection container, conveyor and processing container
07/30/2008EP1950411A1 High pressure fuel supply pump for internal combustion engine
07/30/2008EP1948933A2 Material delivery system using decoupling accumulator
07/30/2008EP1869320B1 Rotary piston pump
07/30/2008EP1750514A4 Double-acting, high-pressure cryogenic pump
07/30/2008EP1697680A4 Apparatus and method for holding a cryogenic fluid and removing same therefrom with reduced heat leak
07/30/2008EP1546557B1 Metering pump with gas removal device
07/30/2008CN201092944Y Water-through water sealing sealer for drilling machine slush pump
07/30/2008CN201092943Y Slurry pump
07/30/2008CN201092942Y Piston slush pump bearing support
07/30/2008CN101230855A Electric pump for taking out slag from mathane-generating pit
07/30/2008CN101230851A Liquid supply apparatus
07/23/2008CN201090421Y Scaling ratio stepless regulating device for double-cylinder and double-liquid mud-injection pump
07/23/2008CN101228355A Automatic inlet check valve release device in a paint pump
07/23/2008CN101225809A Valve box type deposition-prevention plunger pump
07/23/2008CN100404855C Proportioning pump including integral orifice
07/23/2008CN100404854C Mining hand hole-sealing pump
07/16/2008EP1944511A1 Material feed receptacle for a thick matter pump
07/16/2008CN101223390A Piston rod seal on pumps for cryogenic media
07/10/2008DE202007018214U1 Fahrbare Betonpumpe Mobile concrete pump
07/09/2008EP1942276A2 Material feed receptacle for a thick matter pump
07/09/2008CN100400865C Sliding device for a viscous material pump, and wear strip therefor
07/03/2008US20080156382 Methods and apparatus for pumping liquefied gases
07/02/2008CN101210547A Disc type multi-cylinder slurry pump
07/02/2008CN101210546A Pump control for formation testing
06/2008
06/26/2008US20080152512 Infiltration pump having insulated rollers and programmable foot pedal
06/26/2008US20080152491 Coatings for use in fuel system components
06/25/2008EP1427914B1 Hydrostatic machine with compensated sleeves
06/25/2008CN201078314Y Pump set apparatus for drilling mud pump
06/25/2008CN201078313Y Pressure disk for pour plug pump
06/19/2008DE112006001910T5 Automatische Freigabe für ein Einlasssperrventil Automatic approval for an inlet check valve
06/18/2008CN201074575Y Novel delivery pump
06/18/2008CN201074574Y Novel gray mortar slip-casting delivery pump
06/18/2008CN201074573Y Dual-sleeve compressing oil cylinder internal-hiding type dust sand pump
06/17/2008CA2368908C Pump system for delivering cryogenic liquids
06/12/2008WO2008068433A1 Method for absorbing the displacement of a plunger in a linear elecrodynmic motor under the influence of an external force
06/12/2008WO2008068077A1 Mobile machine having a carrying frame and a covering hood
06/11/2008EP1929189A1 Piston rod seal on pumps for cryogenic media
06/04/2008EP1749152B1 Drive device for a dual-cylinder slurry pump and method for operating said pump
06/04/2008CN100392247C Concrete continuous pumping delivery method and concrete pump apparatus
05/2008
05/27/2008CA2250623C Technique to control slurry pumps
05/24/2008CA2612392A1 Centrifugal pump with screw pump accelerator and reverse flow vane
05/15/2008US20080112136 Circuit board adapted to fan and fan structure
05/14/2008EP1727980B1 Device and method for controlling a two-cylinder thick matter pump
05/14/2008CN100387835C Double-body multi-cylinder high-pressure injection pump
05/08/2008US20080107553 Method of pumping drill cuttings and pump for moving drill cuttings
05/08/2008DE102005032916B4 Betonpumpe mit Kolbenschmierung Concrete pump with piston lubrication
05/07/2008EP1917440A1 Device for delivering thick matter
05/07/2008CN201056850Y Concrete pump vehicle with hydraulic pressure driving hinge between jibs
05/01/2008US20080098883 Reciprocating Pump
04/2008
04/30/2008EP1915530A1 Cryogenic compressor comprising a high-pressure phase separator
04/24/2008WO2008030180A3 Metering pump
04/23/2008CN201050456Y Drilling well pump bushing capable of changing inner sleeve
04/17/2008WO2008043218A1 Method and apparatus for suppressing vibration of boom of concrete pump vehicle
04/16/2008EP1910680A1 Automatic inlet check valve release in a paint pump
04/09/2008CN101158347A Glasses plate and cutting ring for concrete delivery pump
04/06/2008CA2605039A1 Progressing cavity pump with wobble stator and magnetic drive
04/02/2008EP1906012A1 Device and method for controlling a two-cylinder pump for high-viscosity fluids
04/02/2008CN201043513Y Synchronous returning rinsing oil isolation structure of particle coal liquid medium reciprocating pump
03/2008
03/25/2008CA2380438C Cryogenic pump manifold with subcooler and heat exchanger
03/25/2008CA2282017C Progressing cavity pump
03/20/2008WO2008033055A1 Multiplunger horizontal single-acting pump
03/19/2008CN201037452Y Concrete overflowing-stopping valve
03/13/2008WO2008030180A2 Metering pump
03/12/2008CN201034080Y Self-controlled turbine vacuum discharging pump
03/12/2008CN101142405A Shot pump and variable speed type two liquid metering mixing device
03/06/2008WO2008025410A1 Delivery pump
03/06/2008WO2008009119A3 Portable pumping apparatus for concurrently pumping liquid from a source container to a destination container and pumping vapor from the destination container to the source container
03/05/2008CN101135302A Plastic high-pressure plunger pump
02/2008
02/29/2008CA2558144A1 Valve assembly for positive displacement pumps
02/28/2008US20080050247 Electromagnetic Pump
02/27/2008CN201027610Y Concrete pump conveying cylinder piston
02/27/2008CN201027609Y F type slush pump
02/20/2008EP1599672B1 Thick material pump
1 ... 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 ... 34