| 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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| 09/12/2008 | WO2007081194A3 Oil valve assembly of linear compressor |
| 09/11/2008 | US20080219870 Device for Delivering Thick Matter |
| 09/11/2008 | US20080219869 Coaxial pumping apparatus with internal power fluid column |
| 09/11/2008 | US20080219860 Protection system for air compressor assembly |
| 09/11/2008 | DE102006045897B4 Radialkolbenpumpe zur Kraftstoffhochdruckversorgung Radial piston pump for high pressure fuel supply |
| 09/10/2008 | CN201111553Y Three-jar vertical type spray water type plunger piston slurry pump |
| 09/10/2008 | CN101260878A Creepage type micropump based on shape memory alloy driving |
| 09/10/2008 | CN100417814C High-pressure pump, in particular for a fuel-injection device in an internal combustion engine |
| 09/10/2008 | CN100417811C Reciprocating pump and check valve |
| 09/09/2008 | US7421939 Combination of a chamber and a piston, a pump, a motor, a shock absorber and a transducer incorporating the combination |
| 09/04/2008 | WO2008104447A1 Hydraulic unit |
| 09/04/2008 | US20080213115 High-Pressure Gas Compressor And Method Of Operating A High-Pressure Gas Compressor |
| 09/04/2008 | US20080213111 System for releasing gas into molten metal |
| 09/04/2008 | US20080213107 Reciprocating pump |
| 09/04/2008 | DE102007058759A1 Check valve for a lubricating pump in a motor vehicle comprises a valve body and a valve housing structured so that a medium flowing through the valve exerts a dynamic force on the valve body |
| 09/03/2008 | CN201110371Y Annular groove piston |
| 09/03/2008 | CN201110261Y Device for guiding globe valve of oil well pump |
| 09/03/2008 | CN201110260Y Postposition guide sleeve high-pressure plunger pump |
| 09/03/2008 | CN201110155Y Well head receding machine |
| 09/03/2008 | CN101258325A Piston pump with improved piston |
| 09/03/2008 | CN101254385A Forcing fan dust cleaning apparatus |
| 09/03/2008 | CN100416120C Abrasion-resistant bearing of motor type fuel pump |
| 09/03/2008 | CN100416096C Reciprocating compressor and its manufacturing method |
| 09/03/2008 | CN100415386C Spraying melt apparatus of one-way valve for liquid-solid dule-phase flow pump |
| 09/02/2008 | US7421316 Method and device for regulating fluid pump pressures |
| 09/02/2008 | CA2264497C Valve cage and ball for a reciprocating pump |
| 08/28/2008 | WO2008101594A1 Motor pump unit particularly for a high-pressure cleaning device |
| 08/28/2008 | WO2007129804A3 Compressor |
| 08/28/2008 | WO2007081192A3 Discharge valve assembly for linear compressor |
| 08/28/2008 | US20080206081 Piston pump |
| 08/27/2008 | EP1831517B1 Axially driven piston/cylinder unit |
| 08/27/2008 | CN201106552Y Directional closing-by-force type oil well pump standing valve |
| 08/27/2008 | CN201106549Y Hydraulic embedding-disk brake type single screw oil well pump surface drive |
| 08/27/2008 | CN201106444Y Liquid-doping sand prevention apparatus |
| 08/27/2008 | CN101251103A Air compressor with improved hand portability |
| 08/27/2008 | CN101251102A Antiscaling oil-well pump |
| 08/27/2008 | CN101251100A Sand prevention stop-adding oil-well pump device |
| 08/27/2008 | CN100414149C Rolling piston capable of changing sliding friction to rolling friction between piston and cylinder |
| 08/27/2008 | CN100414105C Air outlet valve assembly of reciprocating compressor |
| 08/27/2008 | CN100414104C Automatic stop centering mechanism in use for reciprocating pump |
| 08/27/2008 | CN100414101C System for closing suction muffler for a hermetic compressor |
| 08/27/2008 | CN100414095C Rotary type compressor |
| 08/26/2008 | US7416344 Pump carrying supercritical fluid with ceramic bearings |
| 08/26/2008 | US7415920 Radial piston pump |
| 08/26/2008 | US7415829 Piston compressor |
| 08/21/2008 | WO2008098615A1 Hplc pumping apparatus with silicon carbide piston and/or working chamber |
| 08/21/2008 | US20080199324 Portable Inflator For Tyre |
| 08/20/2008 | EP1959144A2 An electric shower-waste pump and control unit |
| 08/20/2008 | EP1959142A1 Plunger seal for pump |
| 08/20/2008 | CN201103782Y Automatic oil transfer device |
| 08/20/2008 | CN201103538Y Plunger rotational-flow enclosed upper valve bonnet of whole barrel oil pump |
| 08/20/2008 | CN201103537Y Spill valve of high-pressure water pump |
| 08/20/2008 | CN201103534Y Exhausting and effect-reinforcing oil pump for injection and production |
| 08/20/2008 | CN201103524Y Minitype electromagnetic water pump plunger |
| 08/20/2008 | CN201103521Y Pump suction type deposit collector |
| 08/20/2008 | CN201103388Y Fixed valve block-resistant device |
| 08/20/2008 | CN201103385Y Device for promoting efficiency of oil-well pump |
| 08/20/2008 | CN101248274A Device for delivering thick matter |
| 08/20/2008 | CN101245866A Concrete distributing valve and concrete pumping mechanism |
| 08/20/2008 | CN101245779A Oil balancing system of reciprocating oil isolation membrane pump fluid end |
| 08/20/2008 | CN101245776A Magnetic driven metering pump |
| 08/20/2008 | CN101245775A Diaphragm delivery pump and pumping diaphragm for a diaphragm delivery pump |
| 08/20/2008 | CN101244298A Infusion pump keypad assembly and method for making the same |
| 08/20/2008 | CN100412377C Rotating type compressor |
| 08/19/2008 | US7413414 Air compressor assembly |
| 08/14/2008 | WO2008097514A1 Air compressor |
| 08/14/2008 | WO2008095352A1 An inflating device |
| 08/14/2008 | WO2008034869A3 Pump arrangement comprising at least two radial piston pumps |
| 08/14/2008 | US20080195058 Methods and apparatuses for joining a pumping cartridge to a pump drive |
| 08/14/2008 | US20080193302 Mini Pump's Nozzle Device and Handhold Portion Made of Dual Material with Different Hardness |
| 08/14/2008 | US20080190502 Valve Assembly, in Particular Inlet Valve of a High-Pressure Fuel Pump |
| 08/14/2008 | DE102007005993A1 Sealing device for sealing rotatable or translatory movable drive element, particularly pump shaft for delivering fluids such as hot melt adhesive, comprises agent for keeping sealing range at moderate temperature |
| 08/14/2008 | DE102007004605A1 Hochdruckpumpe und Einspritzanlage für eine Brennkraftmaschine mit einer Hochdruckpumpe High-pressure pump and fuel injection system for an internal combustion engine with a high pressure pump |
| 08/14/2008 | DE102004026893B4 Hubkolbenpumpe, insbesondere Kraftstoffhandpumpe eines Dieselmotors Reciprocating piston pump, in particular a fuel hand pump of a diesel engine |
| 08/13/2008 | EP1956243A1 Plunger seal for pump |
| 08/13/2008 | EP1956240A1 Crank drive for a piston compressor |
| 08/13/2008 | CN201100409Y A combined oil seal |
| 08/13/2008 | CN201100305Y Improved crank pin screw cap for oil suction pump |
| 08/13/2008 | CN201100232Y Smooth pole lubricator for oil suction machine |
| 08/13/2008 | CN201100231Y Low liquid resistance inertial suction valve for reciprocating pump |
| 08/13/2008 | CN201100230Y Adjustable oil pump bracket assembly |
| 08/13/2008 | CN201100228Y A novel measuring spraying linked oil pump |
| 08/13/2008 | CN201100226Y Unidirectional valve device for liquid pump |
| 08/13/2008 | CN201100220Y No friction device for radial pole piston pump flow axis |
| 08/13/2008 | CN101243272A Pressure relief valve |
| 08/13/2008 | CN101243254A Pump apparatus |
| 08/13/2008 | CN101240794A Method and device for reducing axial plunger pump geometric flow pulsation |
| 08/13/2008 | CN101240793A Linear motor double cylinder compression pump |
| 08/13/2008 | CN101240792A High water-containing rod pumped well oiling type double-passage eccentric wear-proof process |
| 08/13/2008 | CN101240791A Linear actuator, valve apparatus and pump apparatus using the same |
| 08/12/2008 | US7410348 Multi-speed compressor/pump apparatus |
| 08/12/2008 | US7409811 Two stage vacuum valve for a vacuum packaging system |
| 08/07/2008 | WO2008092780A1 High-pressure pump and injection system for an internal combustion engine having a high-pressure pump |
| 08/07/2008 | WO2008092266A1 Coaxial pumping apparatus with internal power fluid column |
| 08/07/2008 | WO2007123301A3 Detachable connecting rod and compressor having the same |
| 08/07/2008 | US20080187447 Air compressor |
| 08/07/2008 | DE102007006641A1 Crank gear for two-stage piston compressor i.e. brake air compressor, has bolt bearing i.e. antifriction bearing, for supporting piston pin, pin bearing i.e. friction bearing, on crank shaft, and connection for making admission of oil mist |
| 08/07/2008 | CA2676847A1 Coaxial pumping apparatus with internal power fluid column |
| 08/06/2008 | CN201096087Y Super-pressure pump fuel delivery sealing structure |
| 08/06/2008 | CN201096086Y Distributor valve |