| 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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| 09/11/2013 | CN102146914B Rotary type magnetic vibration stoppage-prevention filter |
| 09/10/2013 | US8529230 Retaining mechanisms for threaded bodies in reciprocating pumps |
| 09/06/2013 | WO2013130497A1 Electric motor -driven pump |
| 09/04/2013 | CN203175843U Sliding sand preventing device of oil well pump |
| 09/04/2013 | CN203175842U Fire pump connector |
| 09/04/2013 | CN203175841U Novel mining downhole drainage pump device without bottom valve |
| 09/04/2013 | CN203175840U Cooler device for mechanical seal of hot water pump |
| 09/04/2013 | CN203175839U 液力平衡式增压注水泵 Balanced hydraulic booster injection pump |
| 09/04/2013 | CN203175838U Pumping speed regulating mechanism for vacuum pumping system |
| 09/04/2013 | CN203175837U Manual double-rocker-arm oil pump with variable volume |
| 09/04/2013 | CN203175836U Motor and pump turning device |
| 09/04/2013 | CN203175835U Pressure stabilization air bag of water inlet of water injection pump for oil field and pressure stabilizer of water injection pump |
| 09/04/2013 | CN203175834U Non-negative pressure horizontal water pump |
| 09/04/2013 | CN203175833U Petrochemical pump base with adjusting device and cooling/heat preserving device |
| 09/04/2013 | CN203175832U Swing supporting device of axial variable plunger pump and plunger pump |
| 09/04/2013 | CN203175817U High-temperature large-caliber oil well pump for oil field |
| 09/04/2013 | CN203175814U Valveless piezoelectric micro pump |
| 09/04/2013 | CN203175782U Anti-blocking metering pump device |
| 09/04/2013 | CN203175780U Double-pump type axial variable displacement piston pump |
| 09/04/2013 | CN203175779U Ultrahigh pressure axial plunger-type fuel pump |
| 09/04/2013 | CN203175778U Novel conveyor set |
| 09/04/2013 | CN203175731U 燃油泵总成 Fuel pump assembly |
| 09/04/2013 | CN203175727U Fuel pump with safety valve |
| 09/04/2013 | CN103282663A Automatic drain system to be employed in compressed air tank for pneumatic device |
| 09/04/2013 | CN103282656A Double-acting refrigeration compressor |
| 09/04/2013 | CN103282653A Piston pump having a holder |
| 09/04/2013 | CN103277303A Integral fire pump body |
| 09/04/2013 | CN103277302A Double-seal pump cover |
| 09/04/2013 | CN103277301A Step-type double-sealing pump cover |
| 09/04/2013 | CN103277300A Novel electromagnetic pump |
| 09/04/2013 | CN103277299A Novel pump protection cover |
| 09/04/2013 | CN103277298A Balanced configuration device for inlet flow field of multi-parallel-cylinder pump inlet pipe system |
| 09/04/2013 | CN103277297A Outer pressing plate |
| 09/04/2013 | CN103277296A Wear-resisting component of concrete pump and concrete pumping device |
| 09/04/2013 | CN103277289A Diaphragm-type compressor integrated cylinder body part with single cylinder body and double cylinder covers |
| 09/04/2013 | CN103277279A Pump assisted type valve distributing plunger pump |
| 09/04/2013 | CN103277276A Ultrahigh pressure multistage radial plunger pump |
| 09/04/2013 | CN101608612B Double-plunger rotary oil well pump |
| 09/03/2013 | US8523542 Pumping device for pumping fluid |
| 09/03/2013 | US8523541 Plastic element, piston pump, and assembly method |
| 09/03/2013 | US8523015 Reciprocating pump with reduced noise level |
| 08/29/2013 | WO2012163892A3 Inlet valve for a fluid pump and assembly method for an inlet valve for a fluid pump |
| 08/29/2013 | US20130224052 Method of manufacturing a housing |
| 08/28/2013 | EP2631481A1 Pump device |
| 08/28/2013 | CN203162392U Composite flange structure |
| 08/28/2013 | CN203161523U Device for mounting piston of drilling pump |
| 08/28/2013 | CN203161522U Aluminum alloy pump shell connecting structure |
| 08/28/2013 | CN203161521U Plunger pump with shovel-shaped plunger |
| 08/28/2013 | CN203161520U Pipe type anti-gas anti-disengaging oil well pump |
| 08/28/2013 | CN203161519U Corrosion-resistant check valve |
| 08/28/2013 | CN203161518U Adding device for sealing piece of plunger pump |
| 08/28/2013 | CN203161517U Piston sealing member, piston, conveying cylinder and concrete pumping equipment |
| 08/28/2013 | CN203161516U Concrete piston sealing member |
| 08/28/2013 | CN203161515U Low temperature pump tank |
| 08/28/2013 | CN203161514U Novel bearing set of radial plunger pump |
| 08/28/2013 | CN203161513U Novel low-temperature reciprocating pump composite sealing structure |
| 08/28/2013 | CN203161512U Submersible-type car washer water suction pump |
| 08/28/2013 | CN203161511U Plunger pump with protective liquid lead-in |
| 08/28/2013 | CN203161510U Hydrogen sulfide harm prevention device of oil delivery pump |
| 08/28/2013 | CN203161503U Novel holddown-prevention oil-well pump |
| 08/28/2013 | CN203161500U Linear type peristaltic pump |
| 08/28/2013 | CN203161471U High-pressure high-flow grouting pump for mine |
| 08/28/2013 | CN203161469U Pumping system of mortar pump and mortar pump |
| 08/28/2013 | CN103270300A Motor pump unit for a high-ressure cleaning device, and high-<wbr/>pressure cleaning device |
| 08/28/2013 | CN103270299A Piston pump having a cylinder barrel |
| 08/28/2013 | CN103267014A Self-sucking pump |
| 08/28/2013 | CN103266973A Radial high-pressure oil feed pump of high-speed diesel engine |
| 08/28/2013 | CN102062071B Liquid chromatography high-pressure series-wound cam pump |
| 08/27/2013 | US8517700 Submersible pump |
| 08/27/2013 | US8517694 Air comperssor shroud assembly |
| 08/27/2013 | CA2770255A1 Liquid transfer pump |
| 08/22/2013 | US20130216413 Offset valve bore in a reciprocating pump |
| 08/22/2013 | DE102012003182A1 Sound absorbing unit for use as e.g. hydrostatic pump in hydraulic hybrid drive of passenger motor vehicle, has sound-absorbing layer applied on mounting surface of outer shell, and terminal regions formed free of sound-absorbing layer |
| 08/21/2013 | CN203146585U Controllable crescent bearing provided with intersected beams |
| 08/21/2013 | CN203146310U High-pressure-resistant falling-off-resistant double metal cylinder sleeve |
| 08/21/2013 | CN203146309U Water pump joint with check valve |
| 08/21/2013 | CN203146308U Ceramic bushing |
| 08/21/2013 | CN203146307U Cavitation erosion resistant injection pump valve for polymer-surfactant agent |
| 08/21/2013 | CN203146306U Assembling type combination valve for reciprocating pump |
| 08/21/2013 | CN203146305U Integrated variable spiral throttling device |
| 08/21/2013 | CN203146304U Hydraulic pump |
| 08/21/2013 | CN203146303U High-temperature application structure of plunger pump |
| 08/21/2013 | CN203146302U Capable-of-exhausting-type electric pump set sealing barrel |
| 08/21/2013 | CN203146301U Reciprocating pump assembly for pumping cryogenic fluid, and system comprising the same |
| 08/21/2013 | CN203146300U Submersible pump |
| 08/21/2013 | CN203146298U Injection pump linear displacement measuring device and injection pump with same |
| 08/21/2013 | CN203146288U Lateral flow backwashing soft sealing solid plunger pump |
| 08/21/2013 | CN203146287U Novel oil-drainable sand-prevention oil well pump |
| 08/21/2013 | CN203146283U Double-head pump |
| 08/21/2013 | CN203146264U Automatic wear compensation injector |
| 08/21/2013 | CN203146262U Adjustable pump |
| 08/21/2013 | CN203146261U Variable-load multi-connection ultra-low-speed wind energy absorption plunger pump with inner curve |
| 08/21/2013 | CN203146259U Metering pump |
| 08/21/2013 | CN203146258U Plunger pump of single-cylinder plug cylinder for experiment |
| 08/21/2013 | CN203146257U Adjustable dual-head pump |
| 08/21/2013 | CN203146256U Multi-row ultra-low-speed internal curve type low-density energy compression plunger pump |
| 08/21/2013 | CN103261686A Pump device |
| 08/21/2013 | CN103260857A Hydraulic device, in particular low-ressure accumulator with a closure element |
| 08/21/2013 | CN103256409A Check valve assembly and pump and water purifying device using same |
| 08/21/2013 | CN103256217A Axial plunger pump return-stroke mechanism |