| 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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| 12/24/2008 | CN101328884A Web-less valve plate for hydraulic pressure unit |
| 12/24/2008 | CN101328883A Self-refluxing single flow valve for oil-submersible electric pump |
| 12/24/2008 | CN101328882A Asynchronous sloping tray axial plunger piston hydraulic electric motor pump |
| 12/24/2008 | CN101328880A Oil well pump |
| 12/24/2008 | CN101328879A Valve and vibrator integrated piezoelectric pump with valve |
| 12/24/2008 | CN101328875A Reciprocating-piston pump for feeding a liquid |
| 12/24/2008 | CN101328874A Hydraulic slurry pump |
| 12/24/2008 | CN101328872A Picking pump of water jet loom |
| 12/24/2008 | CN101328871A 活塞泵 Piston Pump |
| 12/24/2008 | CN101327868A Split engagement flange for soap dispenser pump piston |
| 12/24/2008 | CN100445562C Well drilling pump piston |
| 12/23/2008 | CA2485455C Hydraulic retention system for reciprocating pump cylinder liner |
| 12/18/2008 | US20080310979 Piston Pump With Improved Efficiency |
| 12/18/2008 | DE102007017122A1 Ventil und Pumpe mit einem solchen Ventil Valve and pump with such a valve |
| 12/17/2008 | EP2002122A1 Device for conveying flowable materials, in particular lubricants |
| 12/17/2008 | EP1739305B1 Plunger seal for pump |
| 12/17/2008 | CN201165971Y Blowout prevention pressure relief high strength large pump uncoupling machine |
| 12/17/2008 | CN201165970Y Leakage-free reversed flow type plunger pump |
| 12/17/2008 | CN201165969Y PG pump hydraulic end leakage-free packer |
| 12/17/2008 | CN201165968Y Energy-saving noise reduction vacuum pump |
| 12/17/2008 | CN201165967Y Pulling type concrete delivery pump water tank machine frame connecting apparatus |
| 12/17/2008 | CN201165966Y Concrete delivery pump |
| 12/17/2008 | CN201165961Y Mobile low noise air compressor |
| 12/17/2008 | CN201165955Y V type oil-free reciprocating vacuum pump |
| 12/17/2008 | CN201165951Y Corrosion resistance electromagnetical liquor pump raising apparatus |
| 12/17/2008 | CN201165950Y Valve chamber type scale formation-proof plunger pump |
| 12/17/2008 | CN201165949Y Double-piston hydropower pressure regulating pump |
| 12/17/2008 | CN101324230A Reciprocating compressor with novel transmission mechanism |
| 12/17/2008 | CN101324226A Valve structure and minitype pump using the same |
| 12/10/2008 | CN201162672Y Oil pump structure of refrigeration circulating system |
| 12/10/2008 | CN201162669Y Embedded type membrane pump steel skeleton |
| 12/10/2008 | CN201162668Y 陶瓷柱塞 Ceramic plunger |
| 12/10/2008 | CN201162667Y Miniature air compressor |
| 12/10/2008 | CN201162666Y Water-saving and fuel-economizing apparatus of high pressure pump for cleaning by high pressure water |
| 12/10/2008 | CN201162665Y Top cover sealing ring of membrane pump |
| 12/10/2008 | CN201162664Y Measuring apparatus for oil field oil pumping machine indicating diagram without load sensor |
| 12/10/2008 | CN201162659Y Centering type rotary plunger oil-well pump |
| 12/10/2008 | CN201162653Y Membrane pump |
| 12/10/2008 | CN201162648Y Reciprocating-piston type sealing compressor |
| 12/10/2008 | CN201162637Y Double-piston continuous pumping device |
| 12/10/2008 | CN201162524Y Sand-proof draining protection apparatus |
| 12/10/2008 | CN101319669A High/low pressure inflating pump |
| 12/10/2008 | CN101318284A Axial plunger pump skid shoe processing method |
| 12/10/2008 | CN100442187C Device for changing delivered fluid pressure of spray scrubber |
| 12/10/2008 | CN100441870C Vacuum pumping circuit and machine for treating containers equipped with same |
| 12/09/2008 | US7462020 Concrete pump with pivotable hopper asssembly |
| 12/09/2008 | US7462018 Air compressor having stable configuration |
| 12/09/2008 | CA2304435C Empty product detector |
| 12/08/2008 | CA2591046A1 Vacuum release mechanism for piston valve |
| 12/04/2008 | WO2008097514B1 Air compressor |
| 12/04/2008 | US20080298979 Engine |
| 12/04/2008 | US20080295682 Hydraulic pump end cover |
| 12/03/2008 | EP1998045A1 Displacement machine with coaxial valves |
| 12/03/2008 | EP1853823B1 Reciprocating gas compression installation with controlled leakage rate |
| 12/03/2008 | CN201159197Y Mechanical sealing device for thermal power generation wet desulphurization recirculating pump |
| 12/03/2008 | CN201159168Y Three-cylinder horizontal plunger slurry pump for well drilling and repairing |
| 12/03/2008 | CN201159167Y Oil cylinder axle bed |
| 12/03/2008 | CN201159166Y Automobile air conditioner compressor |
| 12/03/2008 | CN201159165Y Unloading valve of ultra-high pressure hand operated pump |
| 12/03/2008 | CN201159164Y Protecting equipment of oil pump |
| 12/03/2008 | CN201159163Y Sealing groove |
| 12/03/2008 | CN201159162Y Cable protector of down-hole electric pump |
| 12/03/2008 | CN201159161Y Rain cover for oil pump belt |
| 12/03/2008 | CN201159156Y Upper body of oil pump connector |
| 12/03/2008 | CN201159149Y Double-plunger pump for sea water COD detection |
| 12/03/2008 | CN201159144Y Low-noise plunger pump |
| 12/03/2008 | CN201159143Y Plunger pump |
| 12/03/2008 | CN101316785A Methods and apparatus for pumping and dispensing |
| 12/03/2008 | CN101315075A Installation method of electric motor and oil solution pump |
| 12/03/2008 | CN101315074A Reciprocating apparatus of plunger pump |
| 12/03/2008 | CN100439711C Pump |
| 12/03/2008 | CN100439710C Air compressor with improved hand portability |
| 12/03/2008 | CN100439709C Air compressor with inlet control mechanism and automatic inlet control mechanism |
| 12/02/2008 | US7458784 Suitcase style air compressor assembly |
| 12/02/2008 | US7458487 Plunger for syringe of liquid dispenser |
| 12/02/2008 | US7458392 Spring actuated check valve |
| 12/02/2008 | US7458204 Dosing pump assembly |
| 11/27/2008 | US20080292481 Mastic pump |
| 11/27/2008 | US20080292477 Diaphragm Pump |
| 11/27/2008 | DE112007000156T5 Struktur zum Ausstoßen von Kühlmittel für einen Linearkompressor Structure for discharging coolant for a linear compressor |
| 11/26/2008 | EP1995461A1 Leakage prevention in a compressor utilized in a refrigeration cycle |
| 11/26/2008 | CN201155570Y Water isolation pump guiding type high pressure fresh water valve |
| 11/26/2008 | CN201155455Y Freezer compressor bottom board roller shaft pin self-positioning structure |
| 11/26/2008 | CN201155454Y Tungsten alloy anti-corrosive oil pump |
| 11/26/2008 | CN201155453Y Compressor piston |
| 11/26/2008 | CN201155452Y Concrete delivery pump high and low-voltage automatic switching device |
| 11/26/2008 | CN201155451Y Diaphragm for slurry pump and reciprocating type hydraulic slurry pump using same |
| 11/26/2008 | CN201155449Y Separating pumping separate conveying air discharging lock-preventing oil pump |
| 11/26/2008 | CN201155448Y External valve type hydraulic self-sealing plunger oil pump |
| 11/26/2008 | CN201155447Y Deposition-resisting synergistic oil pump |
| 11/26/2008 | CN201155439Y Circulated water spraying electric pump for breeding |
| 11/26/2008 | CN201155436Y Four-cylinder electric pressure-testing pump |
| 11/26/2008 | CN100436820C Peristaltic pump with air venting |
| 11/26/2008 | CN100436818C Metering pump with gas removal device |
| 11/26/2008 | CN100436817C Pump valve with controlled stroke |
| 11/26/2008 | CN100436809C High-pressure pump |
| 11/26/2008 | CN100436808C Internal combustion engine with piston injection pump |
| 11/25/2008 | US7455506 Injection moldable piston rings |
| 11/25/2008 | CA2357886C Travelling valve assembly for a fluid pump |
| 11/25/2008 | CA2356026C Corrosion-resisting and wear-resisting alloy and device using the same |