| 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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| 07/09/2008 | CN100400596C Polynary composite material with high elastic modulus and its preparation and application |
| 07/08/2008 | US7396219 Discharge tube of hermetic compressor |
| 07/08/2008 | US7396218 Micro irrigation pump |
| 07/08/2008 | CA2469700C Multi-layer compressor housing and method of manufacture |
| 07/03/2008 | US20080159891 Pumping Device for Nuclear Facility |
| 07/03/2008 | DE102006062065A1 Hydrostatic axial piston machine e.g. swash plate machine, has periphery wall with radial elevation formed in longitudinal direction of housing and formed by two periphery wall sections that limit radially extended interior section |
| 07/02/2008 | EP1937970A1 Axial piston machine |
| 07/02/2008 | EP1831567B1 Piston pump |
| 07/02/2008 | CN201080913Y Strong open-close multilevel elastic seal oil pump |
| 07/02/2008 | CN201080908Y Long plunger elastic seal oil pump |
| 07/02/2008 | CN201080901Y Axial plunger pump oil distributing disc |
| 07/02/2008 | CN101210554A Compressor connecting bar |
| 07/02/2008 | CN101210547A Disc type multi-cylinder slurry pump |
| 07/02/2008 | CN100398823C Combined pressure regulating valve |
| 07/02/2008 | CN100398821C Pump |
| 06/26/2008 | WO2008030930A3 Compressor service tool |
| 06/26/2008 | US20080152522 Fluid Pump and Motor Unit |
| 06/26/2008 | DE10230282B4 Doppelseitig betriebener Kolbenverdichter Double Sided operated reciprocating compressor |
| 06/26/2008 | DE102006060866A1 Plate valve, e.g. for a vane-cell pump, has a springy valve plate (VP) to lie close against a through-channel with its outlet opening released if greater pressure prevails in the through-channel than counter/spring pressure in the VP |
| 06/26/2008 | DE102006060680A1 Wälzlager für eine Radial-Kolbenpumpe Rolling bearings for radial piston pump |
| 06/26/2008 | DE102006060016A1 Flachdichtung Flat seal |
| 06/26/2008 | DE102006060015A1 Hohlkolben für eine Axialkolbenmaschine Hollow piston for an axial |
| 06/25/2008 | EP1427914B1 Hydrostatic machine with compensated sleeves |
| 06/25/2008 | CN201078329Y Sprayer integral two-way valve |
| 06/25/2008 | CN201078328Y Differential type down-hole hydraulic oil well pump |
| 06/25/2008 | CN201078326Y Eccentric centre sand discharging feedback pump |
| 06/25/2008 | CN201078322Y Discharging backpressure valve inside membrane pump |
| 06/25/2008 | CN201078313Y Pressure disk for pour plug pump |
| 06/25/2008 | CN201078312Y Five-plunger three-fulcrum bearing radial direction oil emulsion pump |
| 06/25/2008 | CN101205903A Y-type fluid end with replaceable suction module |
| 06/25/2008 | CN101205901A Two-stage flow passage oil-well pump |
| 06/25/2008 | CN100396927C Acoustic fluid machine |
| 06/25/2008 | CN100396926C Spitting valve apparatus for hermetic compressor |
| 06/25/2008 | CN100396924C Compressor control valve and its producing method |
| 06/24/2008 | US7390178 Compressor |
| 06/24/2008 | US7390176 Multi-port suction reed valve with optimized tips |
| 06/24/2008 | US7390175 Double action simplex plunger pump |
| 06/21/2008 | CA2613016A1 Y-type fluid end with replaceable suction module |
| 06/19/2008 | WO2008072338A1 Swash plate type piston pump motor |
| 06/19/2008 | US20080145242 Dual chamber discharge muffler |
| 06/19/2008 | DE112006001910T5 Automatische Freigabe für ein Einlasssperrventil Automatic approval for an inlet check valve |
| 06/19/2008 | DE102006060147A1 Fluidarbeitsmaschine Fluid-working machine |
| 06/18/2008 | EP1933030A1 Method and device for assembling swash plate type fluid machine |
| 06/18/2008 | EP1831562B1 Piston-cylinder arrangement for a reciprocating compressor |
| 06/18/2008 | CN201074639Y Explosion type combined connecting-rod |
| 06/18/2008 | CN201074589Y Multipurpose standing valve for oil-well pump |
| 06/18/2008 | CN201074588Y Locking device for halt of oil extractor |
| 06/18/2008 | CN201074583Y Ceramic long-plunger short-pump-barrel antiscaling oil-well pump |
| 06/18/2008 | CN201074574Y Novel gray mortar slip-casting delivery pump |
| 06/18/2008 | CN201074509Y Sand-blocking device for electric pump |
| 06/18/2008 | CN100395451C Method for producing oil pump plunger |
| 06/17/2008 | US7387221 Fluid discharge pumping apparatus |
| 06/12/2008 | WO2008069254A1 Moving-seal portion liquid-leakage preventing device for piston pump |
| 06/12/2008 | WO2008068077A1 Mobile machine having a carrying frame and a covering hood |
| 06/12/2008 | US20080138224 Fluid end |
| 06/12/2008 | US20080134833 Driving Rod For The Piston Of A Reciprocating Compressor |
| 06/11/2008 | EP1929189A1 Piston rod seal on pumps for cryogenic media |
| 06/11/2008 | EP1929154A1 Piston pump |
| 06/11/2008 | EP1447125B1 Pump for seawater desalination systems using reverse osmosis |
| 06/11/2008 | CN201071802Y Drilling pump cylinder jacket convenient for installation and disassembly |
| 06/11/2008 | CN201071801Y Plunger pump with cooling cycle device |
| 06/11/2008 | CN201071800Y Group soldering type full processing three-cylinder drilling pump crankshaft |
| 06/11/2008 | CN201071799Y Shaft lever sealing structure for reciprocating pump |
| 06/11/2008 | CN201071710Y Lateral oil feeding sand filter of oil production well |
| 06/11/2008 | CN101198784A Fuel injection system for an internal combustion engine |
| 06/11/2008 | CN100394027C Single pump barrel two plunger pistons two circulation thick oil pump |
| 06/11/2008 | CN100394023C Radial valve orificing axial hydraulic pressure plunger pump |
| 06/10/2008 | US7384246 Pump element and piston pump for generating high fuel pressure |
| 06/10/2008 | US7384245 Compressor with rotating handle |
| 06/10/2008 | US7383967 Apparatus and methods for pumping high viscosity fluids |
| 06/10/2008 | US7383828 Method and apparatus for use in enhancing fuels |
| 06/05/2008 | US20080131299 Reciprocating pump |
| 06/05/2008 | DE102006055298A1 Dichtungsanordnung Seal assembly |
| 06/04/2008 | EP1927751A1 Housing with intersecting passages |
| 06/04/2008 | EP1927736A2 Fluid pressure operated piston engine apparatus and method |
| 06/04/2008 | EP1926910A1 Piston pump comprising an improved piston |
| 06/04/2008 | CN201068856Y Drill pump lubricating system |
| 06/04/2008 | CN201068853Y Mutually stimulated reversing piston oil extraction units |
| 06/04/2008 | CN201068847Y Hydraulic oil pump for tray conveying vehicle |
| 06/04/2008 | CN201068845Y Super-high-pressure oil pump |
| 06/04/2008 | CN201068791Y Gas-tight sand-setting device |
| 06/04/2008 | CN101194107A Portable device for transferring fluids |
| 06/04/2008 | CN101191470A Electric control automatic reversing oiling machine drive air pump |
| 06/04/2008 | CN100392248C Cyliinder jacket of slurry pump and preparation method thereof |
| 06/04/2008 | CN100392241C High pressure pump |
| 06/03/2008 | CA2371113C Pump systems and methods |
| 05/29/2008 | WO2008064375A1 Check valve arrangement |
| 05/29/2008 | WO2006025886B1 Low-friction reciprocating pump |
| 05/29/2008 | US20080124227 Maintenance Tray of an Oxygen Machine |
| 05/29/2008 | US20080122184 Sealing arrangement |
| 05/29/2008 | DE102006055161A1 Lagerschale für eine hydrostatische Maschine und hydrostatische Maschine mit dieser Lagerschale Bearing shell for a hydrostatic machine and hydrostatic machine with this bearing shell |
| 05/28/2008 | CN201065828Y Cylinder capable of sharing two-pump |
| 05/28/2008 | CN201065827Y Plunger wrapping structure |
| 05/28/2008 | CN201065824Y Pumping unit inertial load buffer |
| 05/28/2008 | CN201065816Y Novel plunger slurry pump for oil field well drilling and repairing |
| 05/28/2008 | CN201065758Y Down-hole swirling type sand-settling device |
| 05/28/2008 | CN101189435A Cryocompressor having a laterally arranged pressure valve |
| 05/28/2008 | CN101189434A Compact air compressor kit |
| 05/28/2008 | CN100390415C Oil pump plunger |
| 05/27/2008 | US7377758 Fluid pump |