Patents
Patents for F04B 53 - Component parts, details or accessories not provided for in, or of interest apart from, groups or (19,443)
05/1999
05/18/1999US5904071 Piston rod assembly
05/14/1999WO1999023387A1 Piston pump
05/12/1999EP0914561A1 Piston pump with a pipe segment as a bushing
05/12/1999DE19747915A1 Axial piston engine
05/12/1999CN2318428Y Automatic high-pressure releasing device for air compressor airway
05/11/1999US5902096 Diaphragm pump having multiple rigid layers with inlet and outlet check valves
05/11/1999US5901729 Material flow control arrangement and method
05/06/1999WO1999022139A1 Pressure calibration pump apparatus
05/06/1999EP0913579A1 Piston pump and brake system therefor
05/06/1999EP0913578A1 Radial piston pump with evacuating valve
05/06/1999EP0912830A1 Double acting pneumatically driven rolling diaphragm pump
05/06/1999EP0912829A1 Dosing pump with magnetic control
05/06/1999DE19748750A1 Radialkolbenpumpe Radial piston pump
05/06/1999DE19747852A1 Kolbenpumpe Piston pump
05/06/1999DE19747636A1 Valve for high pressure pump
05/04/1999US5899672 Electromagnetic pump with magnetically separated cylinders
05/04/1999CA2168836C A device for the pulsed pumping of liquids, particularly blood
04/1999
04/29/1999WO1999020899A1 Hydraulic pump or motor
04/28/1999CN2316488Y Forced air compressor
04/28/1999CN2316486Y Pump head for piston pump
04/28/1999CN1215141A Swashplate for swashplate compressor
04/27/1999US5897304 Flow-through vertical filling pump with a plurality of diaphragms
04/27/1999US5897303 Blind pore piston pump with internal valve and stroke limiting spring winding
04/27/1999US5897300 Quick-release bolt for use with pump housing
04/22/1999WO1999019621A1 Radial piston pump for supplying fuel at high pressure
04/22/1999DE19745010A1 Hydraulic motor with at least one gearwheel set section, one supply section and one front section
04/22/1999DE19744577A1 Radial piston pump for high pressure fuel supply in motor vehicles
04/21/1999CN2315334Y Elastic damper of oil pump
04/20/1999US5895207 Electric motor-pump assembly
04/15/1999WO1999018354A2 Walking beam compressor
04/14/1999EP0908627A2 Valve unit for high-pressure pumps
04/14/1999EP0781376A4 Pressure vessel with air bubble ejection system
04/14/1999EP0682749B1 High pressure pump for accurate dosing of liquids
04/14/1999CN2314185Y 止回阀 Check
04/13/1999US5893708 Rotating piston for ball and seat valve assembly and downhole pump utilizing said valve assembly
04/08/1999WO1999017022A1 A fluid machinery, a flange for fluid machinery, and a method for manufacturing them
04/07/1999CN2313079Y Slide-piece moving type air-compressor heat-exchanging device
04/06/1999US5890417 Piston for a reciprocating compressor
04/06/1999US5890415 Liquid pump
04/06/1999US5890413 Piston for water pump and related method
04/01/1999DE19844072A1 Membrane dispensing pump for reproducible dispensing of liquid media in small or medium quantities
04/01/1999DE19743186A1 Piston pump for hydraulic fluid
03/1999
03/31/1999EP0905380A2 Device for purging air
03/31/1999EP0904491A2 Apparatus for providing pressurized liquid to a device, high speed flood cooled motor/generator therefor
03/31/1999CN2312347Y Inclined flowing type valve for nozzle of piston type compressor
03/30/1999US5887507 Plunger pump
03/25/1999WO1999014501A1 Plunger seal assembly for a high pressure pump
03/25/1999WO1999014500A1 Biased seal assembly for high pressure fluid pump
03/25/1999WO1999014499A1 Coupling for high pressure fluid pump assembly
03/25/1999DE19741249A1 Seat valve with housing for valve body, and spring
03/24/1999EP0837988B1 Dosing pump
03/18/1999WO1999013252A1 Non-return valve, especially for a piston pump
03/18/1999DE19739904A1 Rückschlagventil, insbesondere für eine Kolbenpumpe Non-return valve, in particular for a piston pump
03/17/1999EP0901576A1 Bubble detection and recovery in a liquid pumping system
03/17/1999EP0901575A1 High pressure pump for all liquids
03/17/1999EP0832358A4 Electromagnetically driven reciprocating pump with fluted piston
03/10/1999EP0791126A4 Dual-piston pump apparatus
03/09/1999US5879375 Implantable device monitoring arrangement and method
03/09/1999US5878649 Controlled porting for a pressure transformer
03/09/1999CA2021543C Aluminum die casting with hardened and machined working surfaces
03/05/1999CA2214820A1 Abrasive slurry handling valves
03/03/1999EP0898981A2 Volumetric infusion pump/slide clamp combination
03/02/1999US5876190 Vacuum membrane pump and a head portion for a vacuum membrane pump
03/02/1999US5876189 Pumped fluid metering device for the precise feeding of a fluid
03/02/1999US5876187 Micropumps with fixed valves
02/1999
02/25/1999WO1999009321A1 Micro pump comprising an inlet control member for its self-priming
02/25/1999WO1999009318A1 Improved fuel pump control valve assembly
02/25/1999WO1998052624A3 Volumetric pump with sterility seal
02/25/1999CA2301878A1 Micro pump comprising an inlet control member for its self-priming
02/24/1999EP0898077A1 Pump for shear sensitive material
02/24/1999EP0897473A1 Disposable ambulatory microprocessor controlled volumetric pump
02/24/1999CN2308732Y 柱塞 Plunger
02/24/1999CN2308731Y Hydraulic end of reciprocating high pressure water filling pump
02/24/1999CN1209191A Low noise hydraulic pump with check valve timing device
02/18/1999WO1999007979A1 Down-hole, production pump and circulation system
02/18/1999DE19735371A1 Fuel pump with pump cylinder
02/17/1999CN2307924Y Improved silencer for refrigerator compressor
02/17/1999CN1042166C Adhesive material pump with rotative dispensing mechanism
02/16/1999US5871566 Vented metering pump
02/16/1999CA2170897C Packing nut and rod guide for piston paint pumps
02/11/1999WO1999006708A1 Piston pump
02/11/1999WO1999006707A1 Piston pump
02/11/1999WO1999006706A1 Piston pump
02/11/1999WO1999006705A1 Piston pump
02/11/1999WO1999006704A1 Valve cap for the reduction of the clearance volume in radial piston pumps for motor vehicle brake systems
02/11/1999WO1999006703A1 Composite piston with integrated sealing element for a radial piston pump in an automobile brake system
02/11/1999WO1999006702A1 Piston pump
02/11/1999WO1999006701A1 Improvement to a pump body and method for making same
02/11/1999WO1999006699A1 Method for evacuating a wet gas, treatment device for carrying out this method and suction pump for a treatment device of this type
02/11/1999WO1999006698A1 Piston pump
02/11/1999WO1999006697A1 Tubular piston produced by cold forming and closure plug for pump with radial pistons
02/11/1999WO1999006696A1 Piston pump
02/11/1999WO1999006695A1 Piston pump
02/11/1999DE19758485A1 Automotive high pressure seal between two components
02/11/1999CA2299520A1 Improvement to a pump body and method for making same
02/10/1999EP0896150A2 Hydraulic machine with flushing valve for housing
02/10/1999EP0774074B1 Disposable plastic liquid pump
02/10/1999CN2307258Y Open-type refrigerating compressor
02/10/1999CN2307123Y Chain clasp for concrete pump
02/10/1999CN2306825Y High efficient oil expeller