| 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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| 04/15/2008 | US7357066 Sealing structure of an up-down type piston assembly for exhausting a content |
| 04/10/2008 | DE102006061760A1 Miniature pump, has output valve with wall, where fluid is respectively output and input via inlet/outlet passage, output valve and channel, input valve and passage, when compression unit is compressed and decompressed |
| 04/09/2008 | EP1907699A1 Pump device, for instance for front and rear wheel driven motorcycle |
| 04/09/2008 | CN201045345Y Belt oil pumping machine mobile device |
| 04/09/2008 | CN201045344Y Air-vent valve |
| 04/09/2008 | CN201045336Y Petrol engine water pump |
| 04/09/2008 | CN101158347A Glasses plate and cutting ring for concrete delivery pump |
| 04/09/2008 | CN101158344A Oil-well pumping communicate separator |
| 04/09/2008 | CN100379989C Double-spherical floating connecting structure of compressor |
| 04/03/2008 | WO2008037147A1 A lubricating arrangement for concrete piston |
| 04/03/2008 | US20080080995 Reciprocating compressor |
| 04/03/2008 | US20080078503 Mechanical pump operating well for a long term and method of manufacturing the same |
| 04/03/2008 | DE202008001131U1 Automatische Entlüftung für Kolben- und Membranpumpen Automatic air vent for piston and diaphragm pumps |
| 04/03/2008 | DE102006045897A1 Radialkolbenpumpe zur Kraftstoffhochdruckversorgung Radial piston pump for high pressure fuel supply |
| 04/03/2008 | DE102006043187B3 Fluidpumpe, insbesondere Hochdruck-Kraftstoffpumpe für Einspritzsysteme von Brennkraftmaschinen Fluid pump, in particular high-pressure fuel injection pump for internal combustion engines |
| 04/02/2008 | EP1906019A2 Non-return valve for metering pumps |
| 04/02/2008 | EP1906013A2 Metering pump, spraying device for spraying agents and method for operating such a spraying device |
| 04/02/2008 | EP1629197A4 Compressor improvements |
| 04/02/2008 | CN201043513Y Synchronous returning rinsing oil isolation structure of particle coal liquid medium reciprocating pump |
| 04/01/2008 | US7351288 Shock absorbing fluidic actuator |
| 04/01/2008 | CA2258464C Chemical supply tube isolation system |
| 03/28/2008 | CA2604508A1 Electrical submersible pump |
| 03/27/2008 | WO2008035792A1 Electroosmotic material, method for production of the material, and electroosmotic flow pump |
| 03/27/2008 | WO2008034519A1 Valve arrangement for a hydrostatic machine, in particular for an axial piston machine |
| 03/27/2008 | DE4320005C5 Elektrische Maschine zur Wandlung von elektrischer und mechanischer Energie, insbesondere radialkraftbeaufschlagter Elektromotor zum Antrieb von Pumpen Electric machine for converting electrical and mechanical energy, in particular radialkraftbeaufschlagter electric motor for driving pumps |
| 03/27/2008 | DE202008001458U1 Hochdruckventilanordnung High pressure relief valve assembly |
| 03/27/2008 | DE202007017339U1 Kolbenmaschine Piston engine |
| 03/27/2008 | DE102006045448A1 Check valve for injection device i.e. field syringe, has valve body designed and arranged in housing such that contact surface aligned in its position closing for free cross-section is null for counter pressure in counter pressure area |
| 03/27/2008 | DE102006042918A1 Kolbenloser Verdichter Clear piston compressor |
| 03/27/2008 | DE102006042765A1 Hold-down device for high pressure piston of high-pressure pump, has outer contact surface for connecting pressing ring with retaining sleeve, where pressing ring has radial cross section, in which contact surfaces have different directions |
| 03/27/2008 | DE102006042015A1 Hubkolbenverdichter Reciprocating Compressors |
| 03/26/2008 | CN201041149Y Balance beam pumping unit locking pin device |
| 03/26/2008 | CN201041148Y Oil pump coupling-uncoupling device |
| 03/26/2008 | CN201041146Y Oil-well pump synergy device |
| 03/26/2008 | CN201041145Y Sliding pumping unit moving device |
| 03/26/2008 | CN201041143Y Different diameter double cylinder soft plunger fluid-discharging pump |
| 03/26/2008 | CN100376795C Sealing type compressor |
| 03/26/2008 | CN100376794C Strong anti-thickening anti-sand hydraulic feedback oil pump with long plug ring seal and oil inlet sand deposition path |
| 03/25/2008 | US7347423 Arrangement in connection with mechanical seal |
| 03/20/2008 | WO2006025886A3 Low-friction reciprocating pump |
| 03/20/2008 | US20080069712 High-Pressure Pump for a Fuel Injection System of an Internal Combustion Engine |
| 03/20/2008 | US20080069709 Pump piston and/or elements sealing the pump piston, in particular a sealing ring of elastomeric material, and a device and method for coating an object of elastomeric material |
| 03/19/2008 | EP1899633A1 Reciprocating pump |
| 03/19/2008 | EP1761705B1 Vacuum pumping circuit and machine for treating containers equipped with same |
| 03/19/2008 | CN201037453Y Wind power water diversion device |
| 03/19/2008 | CN201037452Y Concrete overflowing-stopping valve |
| 03/19/2008 | CN101144472A Long life pump hydraulic end sucking and discharging device |
| 03/19/2008 | CN101144471A Highly effective bionic surface sealing valve oil-well pump |
| 03/15/2008 | CA2601297A1 Submergible motor protector bag |
| 03/13/2008 | WO2008003705A3 Hydraulic pump |
| 03/13/2008 | DE102006041395A1 Schallgedämpfte und/oder schallgedämmte Axialkolbenmaschine Silenced and / or soundproof axial piston |
| 03/12/2008 | EP1898088A2 Muffled and/or silenced axial piston engine |
| 03/12/2008 | EP1896713A1 Fuel injection system for an internal combustion engine |
| 03/12/2008 | EP1751429B1 Reciprocating pump with reduced noise level |
| 03/12/2008 | CN201034158Y Novel compression piston ring |
| 03/12/2008 | CN201034073Y Sand-proof self-cleaner for submersible electric pump |
| 03/12/2008 | CN201034072Y Packing cascade thick-oil pump |
| 03/12/2008 | CN201034065Y Guide rod type check valve for hand pump |
| 03/12/2008 | CN101142408A Five piston diaphragm pump |
| 03/12/2008 | CN101139987A Valve used for agricultural atomizer diaphragm pump |
| 03/11/2008 | US7341435 Fluid end |
| 03/11/2008 | CA2600740A1 Discharge pressure actuated pump |
| 03/06/2008 | WO2008026501A1 Hydraulic rotation machine |
| 03/06/2008 | WO2008025413A1 Control device for a hydraulic piston machine with a variable volume flow |
| 03/06/2008 | WO2008025395A1 Control device for a hydraulic piston machine with a variable volume flow |
| 03/06/2008 | WO2008009797A3 Long-life pump unit |
| 03/06/2008 | US20080056922 Universal air pump |
| 03/06/2008 | US20080056915 Compact vacuum pump |
| 03/06/2008 | US20080054717 Hydraulic pump unit, hydraulic pump set, and working vehicle |
| 03/06/2008 | DE102006040785A1 Kolbenloser Verdichter Clear piston compressor |
| 03/06/2008 | DE102006040468A1 Lubricating piston pump for fuel injection device, particularly for application in common rail fuel injection device of internal combustion engine, pump housing in which pump cylinder is formed, and recess is provided in guiding area |
| 03/06/2008 | DE102006006555B4 Hochdruckpumpe High pressure pump |
| 03/05/2008 | EP1700028B1 Valve arrangement in particular inlet valve for a high pressure fuel pump |
| 03/05/2008 | CN201031794Y Sand prevention standing valve |
| 03/05/2008 | CN201031791Y Equal-diameter strong start and stop oil-well pump |
| 03/05/2008 | CN201031783Y Non-return valve type joint |
| 03/05/2008 | CN201031628Y Anti-releasing device for sucker rod |
| 03/05/2008 | CN101137824A Compressor sound suppression |
| 03/05/2008 | CN101135285A Piston pump having a sediment-proof function |
| 03/04/2008 | US7337538 Methods and apparatuses for joining a pumping cartridge to a pump drive |
| 02/28/2008 | WO2008022989A1 Fluid pump, comprising crank mechanism having one-piece connecting rods, and assembly method therefor |
| 02/28/2008 | WO2008007209A3 Cylinder piston arrangement for a fluid pump or a fluid motor |
| 02/28/2008 | WO2007147693A3 Piston pump |
| 02/27/2008 | EP1891330A1 Housing part, in particular pump housing part |
| 02/27/2008 | EP1298315B1 Fuel injection pump |
| 02/27/2008 | CN201028089Y Flange valve and flange pipe pump |
| 02/27/2008 | CN201027643Y Sand setting type oil well pump barrel assembly |
| 02/27/2008 | CN201027642Y Rod type underbalance oil well pump |
| 02/27/2008 | CN201027641Y Novel combined vertical solid-liquid hydroclone |
| 02/27/2008 | CN201027639Y Electric oil pump for hydraulic turnover mechanism of steering room |
| 02/27/2008 | CN201027634Y Electric pump well guard |
| 02/27/2008 | CN201027632Y Upper catcher for oil pump |
| 02/27/2008 | CN201027631Y Helical check valve |
| 02/27/2008 | CN201027628Y Piston valve of straightway membrane pump |
| 02/27/2008 | CN201027611Y High-tension ceramic syringe pump |
| 02/27/2008 | CN201027610Y Concrete pump conveying cylinder piston |
| 02/27/2008 | CN201027605Y Missile type super ram pump |
| 02/27/2008 | CN100371590C A reciprocating liquid pump for delivery of liquid fuel to a domestic burner device |
| 02/27/2008 | CN100370934C Sealing structure of an up-down type piston assembly for exhausting a content |
| 02/26/2008 | US7335002 Fluid end |