| Patents for F04B 53 - Component parts, details or accessories not provided for in, or of interest apart from, groups or (19,443) |
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| 03/23/2011 | CN201771742U Liquid membrane mechanical sealing device for boiler feed pump |
| 03/23/2011 | CN201771741U Mechanical seal device for high speed pump |
| 03/23/2011 | CN201771733U Multi-section centering auto-rotation reducing tubing pump |
| 03/23/2011 | CN201771713U High-pressure and low-pressure piston-type air compressor serving as network-yarn air source in terylene production process |
| 03/23/2011 | CN201771706U Double-pump continuous water pumping device |
| 03/23/2011 | CN201771701U Inclined disc type valve flow distribution high pressure pure water plunger pump |
| 03/23/2011 | CN101988494A Pressure stabilizing device of metering pump |
| 03/23/2011 | CN101649828B Advanced ceramic pipe type defueling pump |
| 03/23/2011 | CN101258325B Piston pump with improved piston |
| 03/23/2011 | CN101117956B Anti-scaling, anti-corrosive and sand prevention ceramic oil-well pump and manufacturing method therefor |
| 03/22/2011 | US7909584 Air compressor |
| 03/22/2011 | US7909582 Vehicular oil pump control apparatus |
| 03/17/2011 | WO2011030237A2 High-pressure homogenizer with an epicyclic reduction gear unit |
| 03/17/2011 | WO2011029577A1 Vibrating armature pump |
| 03/17/2011 | WO2011029328A1 Concrete mixing plant capable of separating and warning slurry leakage |
| 03/17/2011 | WO2011029160A1 Piston and use therefor |
| 03/17/2011 | DE102009039359A1 Pump assembly for heating system for distribution of fluid flow, has mounting platform to accommodate required fittings, components, fasteners and connectors, where mounting platform consists of multiple thin-walled components |
| 03/17/2011 | CA2771184A1 High-pressure homogenizer with an epicyclic reduction gear unit |
| 03/16/2011 | EP2082135B1 Active check valves in diaphragm pump with solenoid drive |
| 03/16/2011 | CN201765053U Device for on-site vibration test of bipolar primary air fan |
| 03/16/2011 | CN201763598U Concrete pump lubricating system and concrete pumping equipment |
| 03/16/2011 | CN201763597U Piston for concrete pump |
| 03/16/2011 | CN201763596U Diaphragm pump valve seat inspection device |
| 03/16/2011 | CN201763595U Oil well pump anchored oil drainage device |
| 03/16/2011 | CN201763594U Plunger piston sealing ring |
| 03/16/2011 | CN201763593U Oil pumping polished rod |
| 03/16/2011 | CN201763592U Device for reducing pressure fluctuation |
| 03/16/2011 | CN201763591U Shaft workpiece thermal covering sleeve structure |
| 03/16/2011 | CN201763587U Automatic constant pressure pneumatic valve |
| 03/16/2011 | CN201763581U Hollow-plunger pump |
| 03/16/2011 | CN201763306U Oil filed water injection pump station energy conservation system |
| 03/16/2011 | CN101985924A Shallow layer suction machine |
| 03/16/2011 | CN101985921A External radial plunger pump of sealing mechanism |
| 03/16/2011 | CN101985920A Annular super-high pressure booster for water cutting machine or water cleaning machine |
| 03/16/2011 | CN101446275B Metering pump with constant speed and constant pressure |
| 03/10/2011 | WO2011027273A2 Pump body |
| 03/10/2011 | US20110058959 Mud pump cylinder assembly and liner system |
| 03/10/2011 | CA2772741A1 Pump body |
| 03/10/2011 | CA2771873A1 Energy multiplier levers system |
| 03/09/2011 | CN201757056U Novel bimetal valve body |
| 03/09/2011 | CN201757055U Novel bimetal valve seat |
| 03/09/2011 | CN201757054U Air compressor cooling water recovery system in textile industry |
| 03/09/2011 | CN201757053U Device for compressing cylinder sleeve of drill pump |
| 03/09/2011 | CN201757052U Liquid lifting device of serially connected pump |
| 03/09/2011 | CN201757042U Reciprocating plunger pump |
| 03/09/2011 | CN201755542U Piston pump for a sprayer |
| 03/09/2011 | CA2714247A1 Mud pump cylinder assembly and liner system |
| 03/08/2011 | US7900652 Gas supply system for a pumping arrangement |
| 03/08/2011 | US7900651 Material feed container for a thick-matter pump |
| 03/03/2011 | WO2011023145A1 Concrete pumping equipment and piston body thereof |
| 03/03/2011 | WO2011023022A1 High-pressure oil-free plunger pump |
| 03/03/2011 | WO2010138510A3 Light weight crankcase casting for compressor |
| 03/03/2011 | US20110048121 Measuring and reading the size of a parameter of a remotely positioned device |
| 03/02/2011 | EP2290268A2 Sealing device |
| 03/02/2011 | EP2290267A2 Sealing device |
| 03/02/2011 | CN201753681U Pump head seal structure of liquefied gas reciprocating piston pump |
| 03/02/2011 | CN201753680U Sealing device for pump head liquid outlet |
| 03/02/2011 | CN201753679U Vertical double-liquefied gas reciprocating pump station |
| 03/02/2011 | CN201753678U Unloading device of crankshaft type high-pressure plunger water pump of high-pressure cleaning machine |
| 03/02/2011 | CN201753676U Dual-diaphragm electronic vacuum pump for vehicle |
| 03/02/2011 | CN101649834B Hydrostatic and hydrodynamic combined type three-stage mechanical seal device for nuclear main pump |
| 03/02/2011 | CA2714239A1 Softstarter device and method to control the softstarting of an electric motor |
| 03/01/2011 | US7896624 Method of running a down hole rotary pump |
| 03/01/2011 | US7896017 Medical fluid delivery system and method relating to the same |
| 03/01/2011 | CA2439670C Double diaphragm pump including spool valve air motor |
| 02/24/2011 | WO2011020635A1 High-pressure fuel pump |
| 02/24/2011 | WO2011020177A1 Switching assembly for a hydraulic pump jack |
| 02/24/2011 | WO2010138511A3 Reciprocating compressor wrist pin bearing and lubrication passageway |
| 02/24/2011 | WO2010126959A3 Biaxial alignment assembly for force delivery device |
| 02/24/2011 | DE19652831B4 Druckfluid-Speisesystem für die Versorgung von Hochdruck-Sammelleitungen Pressure fluid supply system for the supply of high-pressure manifolds |
| 02/24/2011 | DE102009038326A1 Piston for axial piston pump of high pressure cleaner, has cover arranged at front side of cylindrical body for contacting swash plate of axial piston pump, where cover and body are made of non-metallic base material e.g. polymer |
| 02/24/2011 | CA2771458A1 Switching assembly for a hydraulic pump jack |
| 02/23/2011 | EP2286087A1 Cryogenic pump employing tin-antimony alloys and methods of use |
| 02/23/2011 | CN201751562U Oil filer for electric fuel pump |
| 02/23/2011 | CN101979879A Novel plunger sliding shoe component |
| 02/22/2011 | US7891959 Piston pump |
| 02/18/2011 | CA2675497A1 Switching assembly for a hydraulic pump jack |
| 02/17/2011 | US20110038741 System, Method, and Pump to Prevent Pump Contamination During Negative Pressure Wound Therapy |
| 02/17/2011 | DE102009028376A1 High pressure pump for fuel injection system of motor vehicle, comprises drive shaft rotatably mounted in housing, where one bracket is equipped between piston base of pump piston and ball race |
| 02/16/2011 | EP2284448A2 Condensate drain pump for an air conditioner |
| 02/16/2011 | EP2284424A2 Components, systems and methods for forming a gasketless seal between components in an ultrahigh pressure system |
| 02/16/2011 | CN201747590U Ceramic plunger |
| 02/16/2011 | CN201747589U Mud pump decompression communicating device |
| 02/16/2011 | CN201747588U Sludge pump water outlet drainage |
| 02/16/2011 | CN201747587U Special pressure tank for water pumps |
| 02/16/2011 | CN201747586U Mechanically sealed material circulating pump |
| 02/16/2011 | CN201747585U Oil pump bracket |
| 02/16/2011 | CN201747584U Combined type pump shaft |
| 02/16/2011 | CN201747575U Self-pressing compensation combination tubing pump |
| 02/16/2011 | CN201747574U Automatic oil draining type corrosion, scale and sand resisting pump |
| 02/16/2011 | CN201747573U Multifunctional sand setting and air exhaust oil-extraction 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 | CN101978159A Component pairing and device having component pairing |
| 02/16/2011 | CN101975158A Concrete pump truck and concrete piston lubricating system thereof |
| 02/16/2011 | CN101975157A Tank body at power end of diaphragm pump |
| 02/16/2011 | CN101975154A Valve-free piezoelectric pump of logarithmic spiral combined tube |
| 02/16/2011 | CN101975153A Valveless piezoelectric pump of elliptical combined pipe |
| 02/15/2011 | US7887303 Air compressor system |
| 02/10/2011 | WO2011017689A2 Hydraulic installation tool for pump plunger |