| 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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| 01/20/2000 | WO2000003142A1 Frequency converter assembly |
| 01/20/2000 | DE19851762A1 Hydraulic unit for hydraulic brake control and/or regulating device, including device in flow channel to prevent fluid entering it |
| 01/19/2000 | CN2359495Y Single-valve mounting structure capable of disassembly and changing pump body |
| 01/19/2000 | CN2359494Y Labyrinth spiral seal device for D-shaped fuel dilivery pump |
| 01/14/2000 | CA2277585A1 Air drive pumps and components therefor |
| 01/13/2000 | WO2000001948A2 Radial piston pump |
| 01/13/2000 | DE19931135A1 Pipeline valve designed as gravity brake |
| 01/13/2000 | DE19830078A1 Return valve with closure body and seating |
| 01/13/2000 | DE19829546A1 Radialkolbenpumpe Radial piston pump |
| 01/11/2000 | US6013057 Volumetric infusion pump |
| 01/05/2000 | EP0968371A1 Fluid cooling device |
| 01/05/2000 | EP0968370A1 Dosing pump for dosed liquid conveyance |
| 01/05/2000 | DE19930608A1 Hydraulic control unit for motor vehicle's brake system |
| 01/05/2000 | DE19844163C1 Dosed pumping method for fuel, lubrication oil, alcohol or water |
| 01/05/2000 | CN2357156Y Air controlled joint for inflator |
| 01/05/2000 | CN1048078C Device with pump driving motor connected to casing |
| 12/30/1999 | DE19927247A1 Hydraulic advancing unit, eg for use in a motor vehicle |
| 12/29/1999 | EP0967384A2 Fuel injection pump |
| 12/29/1999 | EP0966785A1 Engine pump unit |
| 12/29/1999 | EP0966610A1 High-pressure system |
| 12/29/1999 | CN2356166Y Check valve for deep well pump |
| 12/29/1999 | CN2356165Y Noise eliminating fan |
| 12/29/1999 | CN2356164Y Pressure switching device for pipeline pump |
| 12/29/1999 | CN2356163Y Casing of water pump |
| 12/28/1999 | US6007314 Downhole pump with standing valve assembly which guides the ball off-center |
| 12/28/1999 | US6007310 Volumetric pump with sterility seal |
| 12/23/1999 | WO1999066269A1 Valve combination for vibration pumps |
| 12/23/1999 | WO1999066225A1 Flexible coupling for the driving unit shaft for an infusion pump |
| 12/23/1999 | WO1999066206A1 Filter system in the intake chamber of a piston pump |
| 12/23/1999 | WO1999042724A3 Oscillating spring valve fluid pumping system |
| 12/23/1999 | DE19927741A1 Electrically-driven fluid pump e.g. for automobile engine cooling system |
| 12/23/1999 | DE19847471A1 Piston pump for vehicle braking system |
| 12/23/1999 | DE19847470A1 Kolbenpumpe Piston pump |
| 12/22/1999 | CN2355133Y Noise reducing device for air storage tank of air compressor |
| 12/22/1999 | CN2355132Y Air chamber with four hole one-way valve for air pump |
| 12/16/1999 | DE19823704A1 Valve fitting especially used in pump for gas or liquid |
| 12/15/1999 | EP0963729A2 Pump with cover carrying seal plug |
| 12/14/1999 | US6000916 Pump head quick connect assembly |
| 12/14/1999 | US6000764 Hydraulic pump assembly and method of making same |
| 12/09/1999 | DE19839579C1 Two=stage filtering system for fuel supply to injectors |
| 12/08/1999 | EP0962654A1 Hydraulic motor-pump unit |
| 12/08/1999 | EP0961882A1 Piston pump |
| 12/08/1999 | EP0681652B1 Double acting simplex plunger pump |
| 12/08/1999 | CN2352728Y Screw nut for adjusting great deep pump |
| 12/07/1999 | US5997205 Coating roller and coating apparatus |
| 12/07/1999 | US5997181 Hydraulic oil well pump drive system |
| 12/07/1999 | US5996472 Cryogenic reciprocating pump |
| 12/02/1999 | DE19822872A1 Dosing pump for liquid fuel, especially fuel powered heater of motor vehicle |
| 12/01/1999 | CN2351594Y Bottom-pouring oil-cooling low-temperature electric pump |
| 11/30/1999 | US5993422 Device for dosing medicinal fluids |
| 11/30/1999 | US5993179 Housing block with a piston pump for a brake system |
| 11/30/1999 | US5992944 Pump devices |
| 11/30/1999 | US5992517 Downhole reciprocating plunger well pump system |
| 11/30/1999 | US5992452 Ball and seat valve assembly and downhole pump utilizing the valve assembly |
| 11/30/1999 | US5992296 Hydraulic pump |
| 11/25/1999 | WO1999060271A1 Motor-driven pump assembly |
| 11/25/1999 | WO1999059859A1 Power steering device |
| 11/25/1999 | WO1999050578A9 Packing seal assembly for a pump |
| 11/25/1999 | DE19924169A1 Motor vehicle fuel tank pump |
| 11/24/1999 | EP0958453A1 Piston pump |
| 11/24/1999 | EP0957954A1 Apparatus for pumping fluid at a steady flow rate |
| 11/24/1999 | CN2350564Y Low-noise check valve without resistance loss for miniature air compressor |
| 11/24/1999 | CN2350563Y Protective casing for boost pump |
| 11/23/1999 | US5988997 Piston pump having a hardened piston with a wavy profile |
| 11/23/1999 | US5988028 Process for conveying thick matter containing preshredded scrap metal or similar solids |
| 11/18/1999 | WO1999058853A1 Piston pump |
| 11/18/1999 | WO1999042725A3 Piston pump |
| 11/18/1999 | DE19821794A1 Motor vehicle media pump off motor shaft |
| 11/17/1999 | EP0956801A2 Pump with fragile seal membrane |
| 11/17/1999 | EP0956450A1 Pump, in particular for an hydraulic wheel-slip brake control system |
| 11/17/1999 | EP0956449A1 Microejection pump |
| 11/17/1999 | EP0956429A1 Piston assembled from a metal and a ceramic part |
| 11/17/1999 | CN2349383Y Piston rod cooling means |
| 11/17/1999 | CN2349382Y Series sleeve quantitative pump |
| 11/17/1999 | CN1235658A Micro-machined device for fluids and manufacture thereof |
| 11/16/1999 | US5986554 Empty product detector |
| 11/16/1999 | US5984652 Single-piece piston with central bore for use in a pneumatically-activated pump |
| 11/16/1999 | US5984651 Hydraulic brake system |
| 11/16/1999 | US5984646 Hydraulic motor for use with airless paint sprayer system |
| 11/16/1999 | US5984526 Bearing apparatus |
| 11/16/1999 | US5984315 Reclamation system for a hydraulic pump system |
| 11/16/1999 | US5983927 Inlet valve assembly |
| 11/16/1999 | US5983779 Positive displacement pump for liquid and gases |
| 11/11/1999 | DE19820902A1 Piston pump for a vehicle hydraulic brake system |
| 11/10/1999 | EP0955464A1 High capacity diaphragm pumping unit |
| 11/10/1999 | EP0955462A1 Device for pumping oil marc |
| 11/10/1999 | CN2348148Y Shuttle valve underground oil pump |
| 11/10/1999 | CN2348147Y Pressure oil pump valve set capable of supplying oil safely |
| 11/10/1999 | CN2348146Y Antifouling gas valve for compressor |
| 11/09/1999 | US5980224 Fuel injection pump |
| 11/09/1999 | US5980215 Adjustable hydrostatic pump with additional pressure change control unit |
| 11/09/1999 | US5979296 Reciprocating pump |
| 11/09/1999 | US5979295 Hydraulic motor piston |
| 11/08/1999 | CA2237243A1 Method of reducing leakage from a shaft connection for a pump sealed by compressible packing and a pump fitting |
| 11/04/1999 | WO1999056019A1 Method for limiting the pressure provided by a hydraulic pump |
| 11/04/1999 | WO1999042724A9 Oscillating spring valve fluid pumping system |
| 11/04/1999 | DE19818141A1 Verfahren zur Begrenzung des von einer Hydraulikpumpe bereitgestellten Drucks sowie Hydraulikpumpe zur Durchführung des Verfahrens A method for limiting the pressure supplied by a hydraulic pump and the hydraulic pump for carrying out the method |
| 11/03/1999 | EP0953113A1 Reciprocating compressor |
| 11/03/1999 | CN2346962Y Piston type compressor air valve |
| 11/03/1999 | CN2346961Y Sand preventing clamp dual-action oil-well pump |