| 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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| 03/06/2013 | CN102953964A Hydraulic oil well pump |
| 03/06/2013 | CN102953954A Electric oil pump |
| 03/06/2013 | CN102953953A Oil pump |
| 03/06/2013 | CN102953952A Oil pump on motor vehicle engine |
| 03/06/2013 | CN102953725A Horizontal well logging dynamic lifting device |
| 03/06/2013 | CN101815869B Compressor assembly having electronics cooling system |
| 03/06/2013 | CA2751791A1 Pumping system |
| 03/05/2013 | US8388326 Piston pump assembly having a cylinder member with strain-absorbing portions |
| 03/05/2013 | US8388325 Piston pump for a vehicle brake system, having a piston rod |
| 03/05/2013 | US8388324 Device for metering out a flowable mass using a coaxial rotary piston and plunger |
| 02/28/2013 | WO2013028416A2 Two-stage linear peristaltic pump mechanism |
| 02/28/2013 | WO2013027517A1 Electromagnetic pump |
| 02/28/2013 | WO2013027499A1 Power conversion device for driving water supply device and power conversion device for driving liquid supply device |
| 02/28/2013 | US20130052052 Inflating pump with auxiliary knotting functions |
| 02/28/2013 | DE10333564B4 Öldichtungsanordnung Oil seal assembly |
| 02/28/2013 | DE10322595B4 Kolbenpumpe, sowie Verfahren zu ihrer Herstellung Piston pump, as well as processes for their preparation |
| 02/28/2013 | DE102012214312A1 Hydraulic arrangement for gear box of motor car, has pump driven by electromotor, and filter device arranged between pump cover and support body and comprising filter element i.e. filter screen, fixed between pump cover and support body |
| 02/28/2013 | DE102012212647A1 Trockenlaufender Kompressor Non-lubricated compressor |
| 02/28/2013 | DE102011081858A1 Arrangement for controlling delivery rate of e.g. common-rail high pressure pump for delivering fuel, has valve spring supported at position element of actuator, so that travel of spring is increased/decreased by stroke movement of element |
| 02/28/2013 | DE102011081777A1 Piston pump has components that are inserted into pump housing while pump piston guide and/or sealing ring in pump housing are adjusted |
| 02/28/2013 | DE102011053148A1 Radial piston pump used in vehicle, has check valves that are arranged in extension of pressure oil bores in housing cover provided with pressure accumulating chamber, and delivery piston which is provided in cylinder bores |
| 02/27/2013 | EP2561229A1 Piston for a radial piston machine |
| 02/27/2013 | CN202756669U Water inlet control valve for water pump and water pump with water inlet control valve |
| 02/27/2013 | CN202756235U Electric ball valve grouting pump |
| 02/27/2013 | CN202756234U Plug-pin type valve sleeve for slurry suction and discharge |
| 02/27/2013 | CN202756233U Desktop liquid pumping machine |
| 02/27/2013 | CN202756232U Three-cylinder piston pump |
| 02/27/2013 | CN202756231U Cooling device of oil pump of cold-rolling pipe mill |
| 02/27/2013 | CN202756230U Hydraulic pump drive device |
| 02/27/2013 | CN202756229U Water absorption device convenient to clean |
| 02/27/2013 | CN202756228U Grouting pump reversing push rod adjusting and protecting device |
| 02/27/2013 | CN202756227U Double liquid synchronous grouting pump |
| 02/27/2013 | CN202756226U Novel sealing structure of spectacle plate wearing ring |
| 02/27/2013 | CN202756225U Abrasion resistant glass-like plate and cutting rings |
| 02/27/2013 | CN202756224U Embedded type inlaid splicing wear-resisting wear plate |
| 02/27/2013 | CN202756223U Sealing device of emulsion pump |
| 02/27/2013 | CN202756212U Hinge plunger thick oil pump |
| 02/27/2013 | CN202756211U Low-pulse continuous outputting single roller hose pump |
| 02/27/2013 | CN102943754A Sand control pump |
| 02/27/2013 | CN102943752A Displacement-adjustment driving mechanism for hydraulic pump |
| 02/27/2013 | CN102943659A Hydraulic pump oil production method and hydraulic pump |
| 02/27/2013 | CN102062072B Liquid chromatography high-pressure parallel cam pump |
| 02/27/2013 | CN101849106B Plastic element, piston pump, and assembly method |
| 02/26/2013 | US8382458 High-pressure fuel pump |
| 02/26/2013 | US8381771 Material feed container for a thick-matter pump |
| 02/21/2013 | WO2013024976A1 Reciprocating compressor |
| 02/21/2013 | WO2013024580A1 Accumulated-pressure trigger sprayer and pressure accumulation valve therefor |
| 02/21/2013 | WO2013023687A1 Motor pump unit |
| 02/21/2013 | US20130045119 Refrigeration compressor |
| 02/21/2013 | US20130042605 Air Compressor |
| 02/20/2013 | EP2559901A1 Distributing valve for concrete pump and the concrete pump |
| 02/20/2013 | EP2558723A1 Pump element for a tube pump |
| 02/20/2013 | EP2558713A1 Connection plate for a hydrostatic piston machine |
| 02/20/2013 | EP2558708A1 High-pressure pump |
| 02/20/2013 | CN202746595U Main shaft sealing device |
| 02/20/2013 | CN202746187U Oil return and separation ring of crank case of plunger type water injection pump in oil field |
| 02/20/2013 | CN202746186U Wear-resisting pump case |
| 02/20/2013 | CN202746185U Dual-guide conical valve with non-metallic seal and hydraulic cylinder body structure thereof |
| 02/20/2013 | CN202746184U Lubricating cooling circulating device for plunger of water injection plunger pump in oil field |
| 02/20/2013 | CN202746183U Sealing plug limiting device for electric oil well pump |
| 02/20/2013 | CN202746182U Water pump connection sheath component |
| 02/20/2013 | CN202746181U Water pump connection jacket assembly |
| 02/20/2013 | CN202746180U Sealing device for hydraulic test of double-shell tank and pump cover |
| 02/20/2013 | CN202746179U Electric hydraulic pump |
| 02/20/2013 | CN202746178U Plunger pump slurry application structure |
| 02/20/2013 | CN202746177U Multiple-curved-surface membrane protection plate |
| 02/20/2013 | CN202746176U Packing propeller of reciprocation pump |
| 02/20/2013 | CN202746175U Composite shock absorbing system |
| 02/20/2013 | CN202746174U Packing box assembly of reciprocating type water injection pump |
| 02/20/2013 | CN202746173U Diaphragm for pneumatic diaphragm pump |
| 02/20/2013 | CN202746172U Novel axial plunger pump |
| 02/20/2013 | CN202746158U Ring seal air protection deviated well oil-well pump |
| 02/20/2013 | CN202746141U Twin peristalsis transfer pump |
| 02/20/2013 | CN202746132U Plunger pump with bent shaft |
| 02/20/2013 | CN102939462A Method and disposable low-cost pump in container for liquid color dispensing |
| 02/20/2013 | CN102937090A Thermal shielding device of high-temperature medium pump |
| 02/20/2013 | CN102937089A Transmission mechanism of diaphragm of mechanical diaphragm metering pump |
| 02/20/2013 | CN102937088A Wear plate |
| 02/20/2013 | CN102937087A Plunger pump in double swash plate structure |
| 02/20/2013 | CN102937082A Oil well pump |
| 02/20/2013 | CN102937081A Miniature temperature control pressurizing pump |
| 02/20/2013 | CN102935391A Method and application for manufacturing microfluidic chip with inkjet printing channels as template |
| 02/19/2013 | US8376723 Connecting rod without wrist pin |
| 02/14/2013 | WO2013020655A1 Stop device, adjusting cylinder with such a stop device, method for producing such a stop device and tool for performing the method |
| 02/14/2013 | WO2013020180A1 A swimming pool controller |
| 02/14/2013 | US20130039788 Bellows backup chamber |
| 02/14/2013 | US20130039782 Gas separator with improved flow path efficiency |
| 02/14/2013 | US20130039780 Reciprocating Rod Pump for Sandy Fluids |
| 02/14/2013 | US20130039692 Sucker rod apparatus and method |
| 02/14/2013 | US20130039691 Sucker rod apparatus and method |
| 02/13/2013 | EP2556252A1 Annular seal element |
| 02/13/2013 | CN202732331U Sinking type water pump filter device |
| 02/13/2013 | CN202732330U Forced lubrication device of injection-production booster pump |
| 02/13/2013 | CN202732329U Layering oil production device capable of controlling flowing pressure of upper and lower production layers |
| 02/13/2013 | CN202732328U Plunger of coal bed methane flexible pumping unit |
| 02/13/2013 | CN202732327U Diaphragm sheet assembly of diaphragm pump |
| 02/13/2013 | CN202732326U Swash plate plunger type hydraulic transformer controlled by swinging cylinder |
| 02/13/2013 | CN202732325U Pumping circulation flow regulating valve of PX adsorption/separation device |
| 02/13/2013 | CN202732324U Traveling valve cover on anti-corrosion type oil well pump |
| 02/13/2013 | CN202732323U Back-threw split type fixed valve assembly |