| 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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| 02/08/2012 | CN101725517B 泵送排量控制系统、泵送排量控制方法和混凝土泵 Pumping capacity control systems, pumping and concrete pump displacement control method |
| 02/01/2012 | CN202132198U 新型电驱动链传动泥浆泵组 The new electrically driven chain drive mud pump group |
| 02/01/2012 | CN102338076A High-pressure self-cleaning plunger pump |
| 01/25/2012 | CN202125413U Small-flow carbon dioxide (CO2) plunger pump |
| 01/25/2012 | CN102330651A Thick slurry pump and pumping system thereof |
| 01/25/2012 | CN102330650A Method for realizing high-performance three-cylinder fine ceramic plunger pump |
| 01/25/2012 | CN101975158B Concrete pump truck and concrete piston lubricating system thereof |
| 01/18/2012 | CN202117915U Rotating joint of concrete delivery pump pipe |
| 01/18/2012 | CN102322411A Method and device for discharging pre-cooled liquid in cryogenic liquid pump |
| 01/11/2012 | CN102312827A Concrete pump and pumping control device and pumping control method thereof |
| 01/04/2012 | CN202100438U Constant-power control device of variable displacement pump and concrete pumping device |
| 01/04/2012 | CN202100404U High-efficiency conveying system of concrete or coal slime and two-position three-way liquid control reversing valves utilized by same |
| 01/04/2012 | CN102094779B Concrete pump and method for adjusting driving pressure value for swinging actuator in concrete pump |
| 12/29/2011 | WO2011094694A3 Drywall mud pump with improved handle, clamp, or improved foot valve |
| 12/28/2011 | CN202091170U 混凝土输送泵半自动高低压泵送转换阀 Concrete pump pumping semi-automatic high and low pressure switch valve |
| 12/28/2011 | CN102297312A 降低流体脉动冲击的机构、双缸换向泵送系统及混凝土泵 Reduce the impact of fluid pulsation institutions twin reversing the pumping system and concrete pump |
| 12/28/2011 | CN102297125A 耐磨切割环及其制造方法 Wear and cutting ring and its manufacturing method |
| 12/28/2011 | CN102297110A 一种离心泵效率分析方法 One kind of centrifugal pump efficiency analysis method |
| 12/21/2011 | CN202083348U 一种同轴度检测系统及混凝土泵送系统 A coaxial detection systems and concrete pumping systems |
| 12/21/2011 | CN202082061U 带有石墨背压阀的比例泵 Proportional pump with graphite back pressure valve |
| 12/15/2011 | WO2011153873A1 Distribution mechanism of pumping device, pumping device, concrete pump truck and control method thereof |
| 12/14/2011 | CN102282370A 用于输送糊状物料的方法和用于输送糊状物料的泵装置 Method for transporting material and a paste pumping means for conveying pasty material |
| 12/07/2011 | CN102269161A 一种泵送机构及其分配阀和混凝土泵送机械 One kind of pumping mechanism and its distribution valves and concrete pumping machinery |
| 12/07/2011 | CN102269157A 混凝土泵送设备的压力调节方法、系统及混凝土泵送设备 Pressure concrete pumping equipment adjustment method, system and concrete pumping equipment |
| 12/01/2011 | WO2011148735A1 Material pumping apparatus |
| 12/01/2011 | WO2011147236A1 Support device for engineering equipment and concrete pumping device |
| 11/30/2011 | CN202056016U 卸酸、碱泵保护系统 Unloading acid, alkali pump protection system |
| 11/30/2011 | CN202056015U 混凝土输送泵输送机构 Concrete pump delivery mechanism |
| 11/30/2011 | CN202055536U 混凝土输送泵 Concrete Pump |
| 11/24/2011 | WO2011143746A1 Mud pump |
| 11/23/2011 | EP2387667A1 Method for feeding pasty masses and pump device for feeding pasty masses |
| 11/23/2011 | CN202047956U Hydraulic direct drive vertical type multi-cylinder slurry pump |
| 11/22/2011 | CA2501187C Suction distribution and disconnection system for a submersible pump |
| 11/18/2011 | CA2737321A1 Mud pump |
| 11/16/2011 | CN202040041U Slurry pumping machine |
| 11/10/2011 | WO2011091537A8 A system and method for induction heating a helical rotor using a coil |
| 11/09/2011 | CN202031831U Concrete pumping system and gate valve of same |
| 11/09/2011 | CN202031799U Concrete pumping system and cushioning structure of concrete pipeline thereof |
| 11/09/2011 | CN202031798U Concrete pumping system |
| 11/09/2011 | CN202031797U Hydraulic piston pump for slurry transmission |
| 11/09/2011 | CN101787973B Distributing valve for concrete pump, concrete pump, control method thereof and concrete pump truck |
| 11/07/2011 | CA2703389A1 Gear pump |
| 11/03/2011 | WO2011137143A1 Bellows backup chamber |
| 11/02/2011 | CN202023797U Pumping mechanism and pulse vibration absorption device thereof, and concrete pumping machine |
| 11/02/2011 | CN202023713U Dual-pump confluence speed-increasing booster for hydraulic system for concrete pump |
| 11/02/2011 | CN202023712U Constant-power adjustable double-liquid stepless matching synchronous injection pump |
| 11/01/2011 | US8047765 Device, system and method for thermally activated displacement |
| 10/26/2011 | EP2381105A1 Slurry pump |
| 10/20/2011 | WO2011127842A1 Distributing valve for concrete pump and the concrete pump |
| 10/19/2011 | EP1129290B1 Systems and methods for control of pumps |
| 10/19/2011 | CN102220970A Blockage-preventing pump structure for concrete pump |
| 10/19/2011 | CN102220969A Concrete pumping method for preventing pipe blockage and relieving method for preventing pipe blockage |
| 10/18/2011 | US8037682 Method and device for suppressing vibration of boom of concrete pump truck |
| 10/13/2011 | WO2011126367A2 Phase shift controller for a reciprocating pump system. |
| 10/13/2011 | CA2795538A1 Phase shift controller for a reciprocating pump system |
| 10/12/2011 | CN102213202A Small-flow CO2 plunger pump |
| 10/12/2011 | CN102213201A High-efficiency concrete or coal slurry conveying system, control method thereof, and two-position three-way hydraulically-controlled directional control valve applied to high-efficiency concrete or coal slurry conveying system |
| 10/07/2011 | CA2733470A1 Non-ferrous metal melt pump and metling furnace system using the same |
| 10/05/2011 | CN202001241U Concrete pumping equipment and concrete conveying hydraulic system thereof |
| 10/05/2011 | CN202001240U Energy-saving concrete conveying pump |
| 10/01/2011 | CA2698915A1 Stationary stem pump |
| 09/28/2011 | EP1784572B1 System and method for delivering cryogenic fluid |
| 09/28/2011 | CN201992249U 变径弯管和包括该变径弯管的泵送设备 Reducing the adjustable elbow bends and include pumping equipment |
| 09/28/2011 | CN201991720U 一种细石混凝土泵 A fine stone concrete pump |
| 09/28/2011 | CN102203417A Diaphragm pumps and transporting drag reducers |
| 09/22/2011 | WO2011113356A1 Concrete pumping structure and control method thereof |
| 09/22/2011 | WO2011113241A1 Concrete pumping structure |
| 09/21/2011 | CN201981791U 商品混凝土泵送高度在线增高装置 Online commercial concrete pumping height increase device |
| 09/21/2011 | CN102192122A Concrete pump |
| 09/14/2011 | CN201973368U 一种混凝土泵送设备用复合锥管 Pumping equipment for concrete composite cone |
| 09/14/2011 | CN201972876U 一种腐蚀性液体的循环供给装置 A corrosive liquid circulating provider |
| 09/14/2011 | CN101660521B Concrete pumping equipment and piston body thereof |
| 09/14/2011 | CN101346577B Apparatus and method for pumping a cryogenic fluid from a storage vessel and diagnosing cryogenic pump performance |
| 09/07/2011 | CN201963635U 活塞油缸及具有该活塞油缸的混凝土泵 Piston cylinder and the piston cylinder with a concrete pump |
| 09/07/2011 | CN201963620U 混凝土泵送设备的动力驱动装置和混凝土泵送设备 Concrete pumping equipment power drives and concrete pumping equipment |
| 09/07/2011 | CN101512148B Metering pump |
| 09/07/2011 | CN101354023B Main power system of concrete delivery pump and concrete delivery pump |
| 08/31/2011 | CN201953924U 泥浆泵用离合变速箱 Mud pump with clutch gearbox |
| 08/31/2011 | CN201953648U 一种混凝土泵送设备及其高低压锥管 One kind of concrete pumping equipment and high and low pressure cone |
| 08/31/2011 | CN201953647U 泵送系统及其分配阀、混凝土输送机械 Pumping system and its distribution valves, concrete transport machinery |
| 08/31/2011 | CN201953600U 一种混凝土泵送设备及其液压系统 One kind of concrete pumping equipment and hydraulic systems |
| 08/31/2011 | CN102168696A High-low pressure switching control system, concrete pumping system and device |
| 08/31/2011 | CN102168664A Double-pump junction speed-increasing augmenter of hydraulic system used for concrete pump |
| 08/31/2011 | CN102168662A Hydraulic direct-drive vertical multi-cylinder mud pump |
| 08/25/2011 | WO2011102937A1 Method and disposable low-cost pump in container for liquid color dispensing |
| 08/25/2011 | US20110206547 Sludge suction apparatus for offshore structure |
| 08/25/2011 | CA2800411A1 Method and disposable low-cost pump in container for liquid color dispensing |
| 08/24/2011 | CN201943937U 硬质合金电焊切割环 Carbide welding cutting ring |
| 08/23/2011 | CA2499939C Metering pump with gas removal device |
| 08/18/2011 | WO2011098003A1 Distribute valve for concrete pump, concrete pump, control method thereof and concrete pump truck |
| 08/18/2011 | WO2011097853A1 Distributing valve for concrete pump, concrete pump and control method thereof and concrete pump vehicle |
| 08/17/2011 | CN201934305U 泥浆泵前衬板 Mud pump liner ago |
| 08/17/2011 | CN201934274U 一种混凝土泵管路三通清洗装置 For concrete pump tubing tee cleaning device |
| 08/17/2011 | CN201934273U 一种小型混凝土输送泵 A small concrete pump |
| 08/17/2011 | CN102155375A Constant power adjustable double-liquid stepless matching synchronous grouting pump |
| 08/16/2011 | US7997446 Pump |
| 08/10/2011 | CN201925261U 分拆式混凝土泵送油缸的压盖 Concrete pumping cylinders split gland |
| 08/10/2011 | CN201925118U 一种耐磨防震的混凝土泵管 A wear-resistant concrete pump tube shock |
| 08/10/2011 | CN102146913A Pumping system and distributing valve thereof, and concrete transporting machinery |
| 08/10/2011 | CN102146904A Reciprocating profile control pump |