| 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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| 08/04/2011 | WO2011094694A2 Drywall mud pump with improved handle, clamp, or improved foot valve |
| 08/04/2011 | WO2011091537A1 A system and method for induction heating a helical rotor using a coil |
| 08/04/2011 | US20110189030 Fluid pump |
| 08/03/2011 | EP2350457A1 Diaphragm pumps and transporting drag reducers |
| 07/28/2011 | WO2011090504A1 High pressure cryogenic fluid generator |
| 07/27/2011 | EP2347858A2 Flow control system |
| 07/27/2011 | CN201908733U Concrete delivery pump throttle control device |
| 07/27/2011 | CN101230851B Liquid supply apparatus |
| 07/21/2011 | WO2011088232A1 Precision pump with multiple heads |
| 07/14/2011 | US20110168706 Material feed container for a thick-matter pump |
| 07/13/2011 | EP2343156A2 Flow control system |
| 07/13/2011 | CN201896736U Waterproof and drainage device for main cylinder of concrete trailer pump |
| 07/06/2011 | CN201891594U Low-cost long-life cutting ring for concrete conveying pump |
| 07/06/2011 | CN101608616B Concrete pumping equipment and piston body thereof |
| 07/06/2011 | CN101476555B Nitrogen sinking type pump head |
| 06/29/2011 | CN201884363U Water seepage prevention device of concrete delivery pump oil cylinder |
| 06/29/2011 | CN201884270U Single-piece piston for slurry pump |
| 06/29/2011 | CN201884265U Cutting ring and concrete pumping equipment |
| 06/29/2011 | CN201884237U Fine stone pump |
| 06/29/2011 | CN201884235U Diaphragm type metering pump used for conveying high-temperature and high-pressure medium |
| 06/29/2011 | CN102109077A Reducing bent pipe and pumping equipment with same |
| 06/29/2011 | CN101018005B DC electromagnetic pump |
| 06/28/2011 | CA2557146C Piston pump for thick materials |
| 06/22/2011 | CN201874809U Concrete pump truck and concrete piston lubricating system |
| 06/22/2011 | CN201874808U Lubricating oil port structure, concrete cylinder assembly and concrete pumping machine |
| 06/22/2011 | CN201874804U Mud pump piston rod device |
| 06/22/2011 | CN201874800U Distribution valve of fine stone pump |
| 06/22/2011 | CN201874768U Concrete pneumatic control delivery pump for mine |
| 06/16/2011 | DE19948602B4 Schüttgutpumpenvorrichtung Bulk pump device |
| 06/15/2011 | CN201865872U Multifunctional concrete delivery pump |
| 06/15/2011 | CN102094799A Method for controlling pumping again and anti-pumping of concrete pump after halt |
| 06/15/2011 | CN102094782A Concrete pumping equipment and hydraulic system thereof |
| 06/15/2011 | CN102094781A Concrete mechanically and continuously pumping system |
| 06/15/2011 | CN102094780A Hydraulic slurry pump |
| 06/15/2011 | CN102094779A Concrete pump and method for adjusting driving pressure value for swinging actuator in concrete pump |
| 06/08/2011 | CN201858140U Direct-linked concrete piston head and concrete pump using same |
| 06/08/2011 | CN201858103U Multi-cylinder speed-regulating plunger type mortar pump |
| 06/08/2011 | CN102086858A Eyeglass plate for concrete delivery pump |
| 06/08/2011 | CN101506526B Delivery pump |
| 06/08/2011 | CN101135302B Plastic high-pressure plunger pump |
| 06/03/2011 | WO2011001267A8 Device and method for pumping flowable masses |
| 06/01/2011 | CN201851298U Concrete pumping structure |
| 05/26/2011 | DE202011004320U1 Hubkolbenpumpe für kryogene Flüssigkeiten Reciprocating pump for cryogenic liquids |
| 05/26/2011 | DE102009052381A1 Dichtungselement, insbesondere für Dickstofffördervorrichtungen Sealing element, especially for thick material handling equipment |
| 05/25/2011 | CN201843774U Stagnation-proof mechanism for concrete pumping oil cylinder |
| 05/25/2011 | CN201843772U Flange-connected transition sleeve of concrete pump |
| 05/25/2011 | CN102076929A Liquid rod pump |
| 05/25/2011 | CN102071809A Concrete pump truck, damping device and method for concrete pump truck arm support |
| 05/19/2011 | WO2011017689A3 Hydraulic installation tool for pump plunger |
| 05/18/2011 | CN201836031U Cutting ring used for concrete pumping equipment |
| 05/18/2011 | CN201836006U Double-cylinder single-acting power-driven slush pump |
| 05/18/2011 | CN201836005U Sleeve type soil and sand pressure-feed pump with cylinders |
| 05/12/2011 | WO2011054533A1 High-viscosity material delivery device having a seal element |
| 05/11/2011 | CN201827042U Plunger type electric/manual biogas residue and biogas fluid discharge pump |
| 05/11/2011 | CN201827041U Polyphenyl particle size delivering pump |
| 05/11/2011 | CN101225809B Valve box type deposition-prevention plunger pump |
| 05/04/2011 | CN201818480U Concrete pump and pumping control device thereof |
| 05/04/2011 | CN201818457U Transformation pumping system of concrete pump |
| 05/04/2011 | CN201818456U Buffer of concrete conveying pump pipe |
| 05/04/2011 | CN201818454U Five-cylinder single-acting slurry pump |
| 05/04/2011 | CN102042188A Low-temperature liquid hydrogen pump and use thereof |
| 04/28/2011 | WO2011047785A1 Compressor system |
| 04/27/2011 | EP2313608A2 Liquid rod pump |
| 04/27/2011 | CN1654820B Manual pump mechanism and delivery system |
| 04/27/2011 | CN102032173A Concreting machinery, pumping device thereof and distributing valve for pumping device |
| 04/27/2011 | CN102032170A Isolating device for plunger slurry pump |
| 04/27/2011 | CN102032169A Drainage preventing device of main oil cylinder of concrete trailer pump |
| 04/27/2011 | CN102032135A Concrete pump and pumping system thereof |
| 04/21/2011 | DE102007037148B4 Verschleißkörper für eine Betonpumpe und Verfahren zur Herstellung eines Verschleißkörpers für eine Betonpumpe Wear body for a concrete pump and method for producing a wear member for a concrete pump |
| 04/20/2011 | CN201802616U Distributing valve and sludge pump or concrete pump provided with same |
| 04/20/2011 | CN102027236A Device and method for pumping a cryogenic fluid |
| 04/20/2011 | CN102022302A A sewage-fragmenting pump |
| 04/13/2011 | EP1846690B1 Motor vehicle that can be driven by cryogenically stored fuel, comprising a compressed air system |
| 04/13/2011 | CN201794780U Concrete conveying pump and discharge opening structure thereof |
| 04/13/2011 | CN201794776U Super wear-resistant cutting ring with long service life for concrete pump |
| 04/06/2011 | CN201786636U Cutting loop with abrasion resistant periphery and long service life for concrete delivery pump |
| 04/06/2011 | CN201786624U Reversing impact buffer control circuit of concrete pump |
| 04/06/2011 | CN201786599U Slurry pump set driven by chain |
| 04/06/2011 | CN201786598U Crankshaft for drilling mud pump |
| 03/30/2011 | CN201779000U Eyeglass plate for small stone pump |
| 03/30/2011 | CN201778999U Hydraulic valve communicating plate of fine stone pump |
| 03/30/2011 | CN201778998U Cutting loop for fine stone pump glasses plate |
| 03/30/2011 | CN101994674A Special paint pump |
| 03/28/2011 | CA2680898A1 Stuffing box casing for reciprocating compressors |
| 03/24/2011 | WO2011001267A3 Device and method for pumping flowable masses |
| 03/23/2011 | CN101491889B Method for flow control to CMP tool |
| 03/17/2011 | WO2011029328A1 Concrete mixing plant capable of separating and warning slurry leakage |
| 03/16/2011 | CN201763561U Filling slurry transfer pumpz |
| 03/09/2011 | CA2714247A1 Mud pump cylinder assembly and liner system |
| 03/08/2011 | US7900651 Material feed container for a thick-matter pump |
| 03/08/2011 | CA2539754C Reciprocating slurry pump with a continuous feed rate |
| 03/02/2011 | EP2288811A2 Device and method for pumping a cryogenic fluid |
| 03/01/2011 | CA2439670C Double diaphragm pump including spool valve air motor |
| 02/27/2011 | CA2713639A1 Plate pump assembly for use with a subsurface pump |
| 02/16/2011 | CN201747552U Vehicular concrete transportation pump |
| 02/16/2011 | CN201747551U Piston-type high-viscosity pulp pump |
| 02/16/2011 | CN201747550U Novel high pressure pump capable of bearing high pressure and high-viscosity medium |
| 02/16/2011 | CN101975158A Concrete pump truck and concrete piston lubricating system thereof |
| 02/16/2011 | CN101975155A Slurry pump control system |
| 02/10/2011 | WO2011017689A2 Hydraulic installation tool for pump plunger |