| 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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| 02/13/2003 | WO2003011439A1 Pump for seawater desalination systems using reverse osmosis |
| 02/13/2003 | US20030031574 Reciprocating compressor |
| 02/13/2003 | US20030031569 Vibration damping mechanism for piston type compressor |
| 02/13/2003 | CA2420125A1 Pump for seawater desalination systems using reverse osmosis |
| 02/12/2003 | EP1282776A1 Check valve for a piston pump |
| 02/12/2003 | CN2535577Y Crank-piston compressor piston |
| 02/12/2003 | CN2535576Y Reciprocating compressor welding piston |
| 02/11/2003 | US6516784 Pressure accumulating distribution type fuel injection pump |
| 02/06/2003 | US20030026710 Reciprocating compressor |
| 02/06/2003 | US20030026709 Reciprocating compressor |
| 02/06/2003 | US20030026079 Electronic connection cover for a hydraulic component housing utilizing a sealed printed circuit board |
| 02/05/2003 | EP1281866A2 Vibration damping mechanism for piston type compressor |
| 02/05/2003 | EP1281865A2 Shaft seal device having shaft seal portions with good sealing and lubrication qualities |
| 02/05/2003 | EP1121543B1 Piston with pressure-dependent sealing effect for a piston-cylinder arrangement, especially a shock absorber piston |
| 02/05/2003 | CN1395043A Permanently-non-plugging oil well pump sand-filtering machine |
| 02/05/2003 | CN1100945C Connection rod of sealed compressor |
| 02/04/2003 | US6514056 Piston pump |
| 02/04/2003 | US6514055 Piston pump having a hollow piston |
| 02/04/2003 | US6514050 High pressure seal means for a radial piston pump |
| 02/04/2003 | US6513546 Check valve |
| 01/30/2003 | WO2003008849A1 Arrangement at a multi ball check valve |
| 01/30/2003 | US20030021709 Plunger pump device |
| 01/30/2003 | US20030021704 Pump with reversible port function |
| 01/30/2003 | US20030020240 Shaft seal device having shaft seal portions with good sealing and lubrication qualities |
| 01/30/2003 | US20030019809 Replaceable filter with locking mechanism |
| 01/29/2003 | EP1278960A1 Hydrostatic machine |
| 01/29/2003 | EP0934123B1 Pump |
| 01/29/2003 | CN2533294Y Valve for mud pump for oil field |
| 01/29/2003 | CN1100210C Method of processing remained concrete in concrete pump |
| 01/28/2003 | US6512677 Electronic connection cover for a hydraulic component housing utilizing a sealed printed circuit board |
| 01/28/2003 | US6510843 Valve system for controlling the fuel intake pressure in a high-pressure pump |
| 01/28/2003 | US6510781 Plunger pump |
| 01/28/2003 | US6510780 Ball screw driven pump |
| 01/28/2003 | US6510779 Electronic bore pressure optimization mechanism |
| 01/28/2003 | CA2264401C Prestressed compressor mount installation apparatus and associated methods |
| 01/23/2003 | US20030017063 Miniature pump, cooling system and portable equipment |
| 01/23/2003 | US20030017061 Pump for sea water desalination systems by reverse osmosis |
| 01/22/2003 | EP1277957A2 Miniature pump, cooling system and portable equipment |
| 01/22/2003 | EP1277950A1 High-pressure pump |
| 01/22/2003 | EP1277949A1 High-pressure pump and assembly structure of high-pressure pump |
| 01/22/2003 | EP1121531B1 Radial piston pump for supplying fuel at high pressure |
| 01/22/2003 | EP1121530B1 Piston pump for supplying fuel at high pressure |
| 01/22/2003 | CN1099528C Engine fuel pump |
| 01/16/2003 | WO2003004875A1 Device for transporting a free-flowing bulk product to be transported |
| 01/16/2003 | WO2003004874A1 Device for conveying flowable or pourable material |
| 01/16/2003 | WO2003004873A1 Device for conveying free-flowing or bulk materials |
| 01/16/2003 | WO2003004872A1 Piston pump |
| 01/16/2003 | US20030012670 Pump and pump piston assembly |
| 01/16/2003 | US20030010562 Leakage oil return apparatus for a hydraulic motor |
| 01/15/2003 | EP1275848A1 Fuel pump for a fuel system of an internal combustion engine |
| 01/15/2003 | EP1275845A2 High pressure fuel pump |
| 01/15/2003 | CN2531137Y Leakless reciprocating plunger pump head |
| 01/15/2003 | CN2531136Y Air chamber for plunger pump and piston pump |
| 01/15/2003 | CN2531135Y Efficiency-promoting valve of oil-well pump |
| 01/09/2003 | WO2003002291A1 Selectively cold worked hydraulic motor/pump shoe |
| 01/09/2003 | WO2002088553A8 Arrangement in connection with mechanical seal |
| 01/09/2003 | US20030006564 Seal mechanism and fuel pump provided therewith |
| 01/09/2003 | DE10118925C1 Piston pump, for conveying liquid, comprises a pump piston positioned so that it moves axially backward and forward in a pump bore in a pump housing, and a filter inserted in the pump piston |
| 01/08/2003 | EP1273835A2 Seal mechanism and fuel pump provided therewith |
| 01/08/2003 | EP1181453B1 Motor-pump unit |
| 01/07/2003 | US6503066 Hydrostatic pressure test pump |
| 01/03/2003 | WO2003001095A1 Reciprocating piston pump adjustable inlet ball travel |
| 01/03/2003 | WO2003001034A1 Pump cylinder lock |
| 01/03/2003 | WO2002088545B1 Dual port unit pump, injector, and engine efficiency methods |
| 01/02/2003 | US20030002995 Pump and method of manufacturing same |
| 01/02/2003 | US20030002993 Methods of pressure fluctuation dampening |
| 01/02/2003 | US20030000603 Cold-heading one end portion of cylindrical blank to radially increase and axially diminish the dimensions of one end portion, and to work harden the one end portion while leaving an opposite end portion dimensionally unchanged; cold-working |
| 01/02/2003 | EP1269021A1 Radial piston pump |
| 01/02/2003 | EP1268248A2 Piston pump |
| 01/01/2003 | CN1097683C Fluid cooling device |
| 12/31/2002 | US6499974 Piston pump |
| 12/31/2002 | US6499970 Pump unit for a vehicle brake system |
| 12/31/2002 | US6499962 Bearing arrangement for a swash plate pump |
| 12/31/2002 | US6499384 Piston apparatus for gas/liquid pipeline |
| 12/31/2002 | CA2265081C Suspension spring support for hermetic compressors |
| 12/31/2002 | CA2201497C System for pumping well fluids |
| 12/27/2002 | WO2002103190A2 Double acting simplex plunger pump with bi-directional valves |
| 12/25/2002 | CN2527744Y Plunger-piston shoes assembly |
| 12/25/2002 | CN1097168C Micro pump comprising inlet control member for its self-priming |
| 12/25/2002 | CN1097167C Improvements to pump body and method for making same |
| 12/24/2002 | US6497562 Piston pump |
| 12/24/2002 | US6497373 Device for producing high pressure in a fluid in miniature |
| 12/19/2002 | US20020192092 Fuel injection pump |
| 12/19/2002 | US20020192091 Double acting simplex plunger pump with bi-directional valves |
| 12/19/2002 | US20020189436 High-pressure fuel pump for internal combustion engine with improved partial-load performance |
| 12/19/2002 | DE10162247C1 Motor-Pumpen-Aggregat, insbesondere Kraftfahrzeug-Bremsvorrichtung Motor-pump assembly, in particular motor vehicle brake device |
| 12/19/2002 | DE10137586A1 Device to connect pump to multi-sectional engine component consists of ring-shaped raised sections around fastening points on pump or component |
| 12/18/2002 | EP1266139A1 Metering pump |
| 12/18/2002 | CN2526541Y Pumping mechanism easy to replace concrete piston |
| 12/18/2002 | CN2526540Y Pumping mechanism easy to replace concrete piston |
| 12/18/2002 | CN2526539Y Friction-resisting corrosion-proof cylinder for delivering concrete |
| 12/18/2002 | CN2526538Y Engineering ceramic cylinder jack for slurry pump |
| 12/18/2002 | CN1385612A Control valve for variable-displacement compressor |
| 12/17/2002 | CA2303102C Coupling for high pressure fluid pump assembly |
| 12/12/2002 | WO2002099320A1 Sealing device |
| 12/12/2002 | WO2002098535A1 Integrated filter housing |
| 12/12/2002 | US20020185002 Sliding ring for a radial piston pump, and device for the installation thereof |
| 12/12/2002 | DE10136925C1 Fuel injector for internal combustion engine with high-pressure piston pump and valves has pump working area linked on intake to low-pressure source and on compression to high-pressure reservoir |
| 12/11/2002 | EP1264107A1 Hydraulic power system |
| 12/11/2002 | EP0917632B1 Device for supplying an apportioned minimum amount of fluid |