Patents
Patents for F04B 43 - Machines, pumps, or pumping installations having flexible working members (13,111)
04/1999
04/14/1999EP0907421A1 Droplet mist generator
04/14/1999EP0839062A4 Interlock, latching and retaining mechanism for an infusion pump
04/14/1999EP0781380A4 System for increasing flow uniformity
04/14/1999EP0781379A4 Engineered pumping segment
04/14/1999EP0781378A4 Fluid delivery system with mounting linkage
04/14/1999EP0781376A4 Pressure vessel with air bubble ejection system
04/13/1999US5893707 Pneumatically shifted reciprocating pump
04/08/1999WO1999017019A1 Pumping and metering device
04/08/1999DE19742632A1 Pump- und Dosiervorrichtung Pumping and metering
04/06/1999US5892314 Piezoelectric circuit
04/06/1999US5891097 Electrochemical fluid delivery device
04/01/1999WO1999015791A1 Pumping equipment for pumping a fluid from a bore hole, pump and method for pumping a flowing medium
04/01/1999DE19844072A1 Membrane dispensing pump for reproducible dispensing of liquid media in small or medium quantities
03/1999
03/30/1999US5889354 Piezoelectric unit cell
03/30/1999US5888056 Diaphragm pump
03/30/1999US5888052 Linear peristaltic pump with reshaping fingers intedigitated with pumping elements
03/25/1999WO1999014497A1 Peristaltic pump with continuous and non pulsating discharge flow
03/25/1999WO1999014496A1 Flexible, chemically resistant tubular diaphragm
03/25/1999WO1999014495A1 Double disc pump
03/25/1999DE19842668A1 Treatment mechanism with liquid reservoir for cleaning semiconductor wafers, or LCD substrates
03/24/1999EP0903496A2 Pressure control for a double diaphragm pump
03/24/1999EP0902864A1 Pressure transfer modules
03/24/1999EP0837988B1 Dosing pump
03/24/1999EP0528947B1 Valve system with removable fluid interface
03/24/1999CN1211685A Diaphragm pump
03/23/1999CA2171716C Flow-metered pumping with load compensation system and method
03/18/1999DE19738779A1 Reversing compressed air membrane pump
03/17/1999EP0901575A1 High pressure pump for all liquids
03/16/1999US5883299 System for monitoring diaphragm pump failure
03/11/1999WO1999011933A1 Multi-channel ink supply pump
03/11/1999WO1999011932A1 Improved accuracy peristaltic pump
03/11/1999WO1999011309A1 Transfusion device and liquid supply tube
03/11/1999DE19837434A1 Chemical analysis unit for quantitative analysis of e.g. biological fluid
03/11/1999CA2269842A1 Improved accuracy peristaltic pump
03/10/1999CN2310177Y Miniature mechanical pump
03/10/1999CN1210576A Micromachined filter for micropump
03/09/1999US5879144 Pressure plate adaptors and methods
03/09/1999US5879142 Fluid transfer system and blood cell counter including the same system
03/09/1999CA2021543C Aluminum die casting with hardened and machined working surfaces
03/04/1999WO1999010653A1 Reactive polymer gel actuated pumping system
03/04/1999DE19735847A1 Piston membrane pump for pumping fluids
03/03/1999EP0898981A2 Volumetric infusion pump/slide clamp combination
03/03/1999EP0898652A1 Amplified pressure air driven diaphragm pump and pressure relief valve therefor
03/02/1999US5876187 Micropumps with fixed valves
02/1999
02/25/1999WO1999009321A1 Micro pump comprising an inlet control member for its self-priming
02/25/1999WO1998052629A3 Cell processing systems
02/25/1999CA2301878A1 Micro pump comprising an inlet control member for its self-priming
02/24/1999EP0898076A1 Abrasion resistant plastic bonded to a diaphragm
02/24/1999EP0898053A2 Pump vane made of wear-resistant sheet material
02/24/1999EP0797734A4 Peristaltic pump with occlusive inlet
02/24/1999CN2308727Y Linkage pump head of wriggling pump
02/18/1999DE19728800C1 Arrangement for delivering liquid for medical treatment equipment
02/17/1999CN2307930Y Pump with pressure regulating structure
02/17/1999CN1208125A Flexible tube of squeeze pump
02/16/1999US5871341 Peristaltic pump driven pump roller apparatus and methodology
02/11/1999DE19733835A1 Conveying appliance for polymer flake-containing water
02/10/1999EP0835381B1 Fluid pump
02/10/1999EP0694125B1 Peristaltic pump tube cassette with angle pump tube ports
02/10/1999CN2307121Y Pressure braking branch pump
02/10/1999CN2307120Y High efficiency energy-saving diaphragm water pump
02/09/1999US5869774 Device for taking a liquid sample
02/09/1999US5868696 Peristaltic pump tube holder with pump tube shield and cover
02/03/1999EP0859912A4 Air driven diaphragm pump
02/03/1999CN2306334Y Water pump for drinking water machine
01/1999
01/27/1999EP0893603A2 Blood processing systems using a peristaltic pump module with valve and sensing station for operating a peristaltic pump tube cassette
01/27/1999EP0893132A2 Volumetric infusion pump
01/27/1999EP0893131A2 Volumetric infusion pump
01/26/1999US5863184 Diaphragm pump apparatus
01/21/1999WO1999002851A1 Direct injection fuel pump for engine with controlled ignition and injection system comprising same
01/20/1999EP0891784A2 Volumetric infusion pump
01/19/1999US5860794 Double diaphragm pump with air valve block moving in a rectangular pattern
01/19/1999US5860793 Diaphragm metering pump with push to prime air bleeder valve
01/14/1999WO1999001770A1 Interchangeable liquid dispensing cartridge pump
01/14/1999WO1999001687A1 A flexible tube pinch mechanism
01/14/1999DE19729612A1 Peristaltic pump for e.g. medical use
01/14/1999CA2294765A1 A pump with flexible tube pinch mechanism
01/13/1999EP0890016A1 Diaphragm mechanism for an air driven diaphragm pump
01/13/1999EP0690962B1 Peristaltic pump with linear pump roller positioning mechanism
01/13/1999CN1204733A Squeeze pump having improved rollers
01/12/1999US5857843 Peristaltic pump with removable rotor
01/12/1999US5857661 Valve drive control method, valve drive control apparatus and fluid member supply apparatus
01/07/1999EP0889238A2 Squeeze pump having improved rollers
01/07/1999EP0889237A2 Flexible tube of squeeze pump
01/07/1999DE19726702A1 Vorrichtung, insbesondere Pumpe Device, in particular pump
01/07/1999DE19726698A1 Dosing pump for small amounts of fluid
12/1998
12/30/1998WO1998059187A1 Device, specially a pump
12/30/1998EP0886729A1 Peristaltic pump with pinch fingers for providing complete occlusion
12/30/1998EP0722541B1 Micromachined flow switches
12/30/1998EP0471000B1 Enhanced pressure measurement flow control system
12/30/1998CN2302353Y Piston type diaphragm pump
12/24/1998DE19725685A1 Fluid pump with membrane
12/23/1998EP0722540B1 Micromachined fluid flow regulators
12/23/1998CN2301555Y Noiseless air pump
12/23/1998CN1202577A Infusion pump as tube pump
12/22/1998US5851109 Spacer and shim assembly for fluid powered diaphragm pumps
12/17/1998WO1998057064A1 Temperature compensation system for regulating flow through tubing in a pump
12/16/1998EP0884475A2 Feed pump
12/16/1998EP0883430A1 Filter bag and connector cartridge
12/16/1998EP0754271A4 Pneumatically shifted reciprocating pump
12/16/1998CN2300740Y Automatic setting and resetting device for creeping pump pipe