| 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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| 11/06/2013 | CN203272035U High-speed and high-pressure fine ceramic plunger pump provided with opposed double cylinders and opposed water inlet and outlet plane valves |
| 11/06/2013 | CN103382934A Efficiency-improving sand prevention device of oil well pump |
| 11/06/2013 | CN103382927A Hot water pump for boiler |
| 11/06/2013 | CN101821506B System and method for evaluating parameters for refrigeration system with variable speed compressor |
| 10/31/2013 | WO2013161361A1 Hydraulic device and molding machine |
| 10/31/2013 | WO2013160202A1 Piston pump |
| 10/31/2013 | WO2013159425A1 Micro brushless direct-current self-priming external-rotor multi-chambered pump |
| 10/31/2013 | US20130287610 Method for producing a piston pump and piston pump |
| 10/31/2013 | DE102012207000A1 Kolbenpumpe Piston pump |
| 10/31/2013 | DE102012017046B3 Vier-Ventil-Hochdruckpumpe Four-valve high pressure pump |
| 10/30/2013 | EP2655886A2 Diaphragm pump and motor system and method |
| 10/30/2013 | EP2655881A1 Piston pump having a cylinder barrel |
| 10/30/2013 | CN203257773U Quick hydraulic pump station structure |
| 10/30/2013 | CN203257669U Cooling and fixing device of metering pump nozzle |
| 10/30/2013 | CN203257668U Piston |
| 10/30/2013 | CN203257667U Copper pump plunger preventing crank case from carrying liquid |
| 10/30/2013 | CN203257666U Plunger pump |
| 10/30/2013 | CN203257665U Membrane pump with novel structure |
| 10/30/2013 | CN203257664U 活塞泵 Piston Pump |
| 10/30/2013 | CN203257663U Oil drainable valve ball fixed valve assembly with automatically-closed function |
| 10/30/2013 | CN203257662U Double-seal short plunger assembly |
| 10/30/2013 | CN203257661U Reciprocating pump plunger fixing device |
| 10/30/2013 | CN203257660U Distributing shaft with fault-tolerant function and hand-operated hydraulic pump with same |
| 10/30/2013 | CN203257659U Supporting structure for crank pump |
| 10/30/2013 | CN203257658U Pump base for residual heat removal pump |
| 10/30/2013 | CN203257657U Bearing for main water-feeding pump |
| 10/30/2013 | CN203257656U Hand pump |
| 10/30/2013 | CN203257655U Muting water pump |
| 10/30/2013 | CN203257654U Pump head assembly structure of metering pump |
| 10/30/2013 | CN203257652U Oil pump protection device |
| 10/30/2013 | CN203257647U Oil well pump capable of realizing direct circulation well washing |
| 10/30/2013 | CN203257646U Double-sealing short plunger piston oil-drainable valve ball automatic closing type oil well pump |
| 10/30/2013 | CN203257644U Membrane pump driven by conical swing thrust shaft |
| 10/30/2013 | CN203257623U Oil outlet structure of excavator main pump |
| 10/30/2013 | CN203257327U Threaded rod reversing underground hydraulic pressurizing well drilling device |
| 10/30/2013 | CN103380298A Valve plate assembly of compressor |
| 10/30/2013 | CN103375398A Bayonet connector of electric pump |
| 10/30/2013 | CN103375397A Plunger pump fluid end assembly |
| 10/30/2013 | CN103375396A Hydraulic oil pump of pallet truck |
| 10/30/2013 | CN102352836B Pump seat with water meter |
| 10/30/2013 | CN102072146B Valve with valve closure body |
| 10/29/2013 | DE202012007190U1 Pumpe mit einer Vibrations-Dämpfungs-Halte-Vorrichtung Pump with a vibration-damping support device |
| 10/24/2013 | WO2013157304A1 Valve, and fluid control device |
| 10/24/2013 | WO2013156428A1 Hydrostatic reciprocating engine |
| 10/24/2013 | WO2013156087A1 Diaphragm pump, in particular for use as a detergent dosage pump |
| 10/24/2013 | US20130280114 Manual Pump also Capable of Dispensing High Pressure Compressed Gas Cartridges |
| 10/24/2013 | US20130280112 High-Pressure Fuel Pump |
| 10/24/2013 | US20130280109 Modular discharge silencer for vehicle-mounted compressor |
| 10/24/2013 | DE102012206519A1 Pump, particularly internal- or external gear pump, vane pump, axial piston pump or radial piston pump, has data store, in which characteristic curve indicating relationship between speed of drive shaft and fluid flow of pump is stored |
| 10/24/2013 | DE102012104164B9 Kolben-Zylinder-Einheit Piston-cylinder unit |
| 10/23/2013 | EP2652372A1 Valve for a hydraulic piston pump |
| 10/23/2013 | EP2652325A1 Piston pump having a holder |
| 10/23/2013 | EP2651622A1 Hydraulic device, in particular low-pressure accumulator with a closure element |
| 10/23/2013 | CN203248357U Large-runner pulverized coal prevention oil well pump |
| 10/23/2013 | CN203248356U Check valve |
| 10/23/2013 | CN203248355U Self-sucking pump |
| 10/23/2013 | CN203248354U Boosting water injection pump steady-flow water distribution valve group |
| 10/23/2013 | CN203248353U Boiler water circulation pump with hand wheel adjusting mechanism |
| 10/23/2013 | CN203248352U 炉水循环泵 Boiler water circulating pump |
| 10/23/2013 | CN203248351U Straight pipe methyl alcohol feeding pump |
| 10/23/2013 | CN203248350U Water cooling mechanical seal device with visual pump body |
| 10/23/2013 | CN203248349U Plug for fuel injection pump |
| 10/23/2013 | CN203248342U Pressure-transmitting pump contact and seal type oil well pump with oil drainage device |
| 10/23/2013 | CN203248341U Oil pumping pump preventing fixed valve from leaking |
| 10/23/2013 | CN203248339U Three-cavity valveless piezoelectric pump based on wall-attachment effect |
| 10/23/2013 | CN203248324U Piston-type industrial pump parallel-connection use system |
| 10/23/2013 | CN103370241A Pump, in particular of a vehicle braking system |
| 10/23/2013 | CN103362797A Propelling pipeline type energy-saving pump |
| 10/23/2013 | CN103362796A Load-shedding oil well pump for deep well |
| 10/23/2013 | CN103362795A Injection and suction juxtaposition type oil well pump |
| 10/23/2013 | CN103362788A Back-filling oil well pump |
| 10/23/2013 | CN103362787A High negative pressure deep-drawing oil well pump |
| 10/22/2013 | CA2749586C System and method for a combined submersible motor and protector |
| 10/22/2013 | CA2696600C Hydraulically actuated downhole pump with gas lock prevention |
| 10/17/2013 | WO2013152975A1 An electromagnetic pump |
| 10/17/2013 | WO2013152889A1 Pump element |
| 10/17/2013 | WO2013152568A1 Plunger pump |
| 10/17/2013 | WO2013152549A1 Variable plunger piston pump |
| 10/17/2013 | US20130272903 Refrigerant Compressor |
| 10/17/2013 | US20130269187 Piston assembling apparatus and piston assembling method |
| 10/17/2013 | DE102012010176A1 Hydrostatische Kolbenmaschine Hydrostatic piston machine |
| 10/16/2013 | EP2649319A2 Polymeric pump parts |
| 10/16/2013 | EP2649316A2 Offset valve bore in a reciprocating pump |
| 10/16/2013 | EP2649315A2 Offset valve bore for a reciprocating pump |
| 10/16/2013 | EP2649290A1 Cylinder of a reciprocating piston machine and reciprocating piston machine |
| 10/16/2013 | CN203239922U Double-conical-plug connecting, assembling and sealing structure of pump head and pressure gauge seat |
| 10/16/2013 | CN203239558U Connecting rod set |
| 10/16/2013 | CN203239557U Split piston valve cover |
| 10/16/2013 | CN203239556U Cooling device for air pump front pump bearing |
| 10/16/2013 | CN203239555U Plunger sliding shoe component |
| 10/16/2013 | CN203239554U Plunger and slipper assembly |
| 10/16/2013 | CN203239553U Spaceflight fuel pump shell body |
| 10/16/2013 | CN203239552U Concrete delivery pump anti-blocking pump assistance device |
| 10/16/2013 | CN203239551U Discharge pipe of drilling pump |
| 10/16/2013 | CN203239550U Improved medium pressure argon pump body sealing structure |
| 10/16/2013 | CN203239543U Oil-well pump applied to inclined well |
| 10/16/2013 | CN203239542U Oil-drainable tube type oil-well pump |
| 10/16/2013 | CN103353038A Fire pump joint |
| 10/16/2013 | CN103352844A Stirring aspirator |
| 10/16/2013 | CN103352843A Discharging pump |