Patents
Patents for F04B 43 - Machines, pumps, or pumping installations having flexible working members (13,111)
09/1993
09/21/1993US5246347 Infusion device with disposable elements
09/16/1993WO1993018324A1 Pressure sensitive devices for extracorporeal pumping
09/16/1993WO1993018305A1 A pump, control valve and diaphragm
09/15/1993EP0560270A2 Linear peristaltic pump
09/15/1993EP0560060A1 Meterung pump made of plastics for pasty material
09/15/1993EP0559800A1 Pump controller using acoustic spectral analysis
09/15/1993EP0476020B1 Peristaltic pump
09/15/1993CN2142152Y Pushing-pulling type water pump
09/14/1993US5244360 Hydraulically controlled diaphragm pump for high pressures
09/09/1993DE4206749A1 Glue metering pump for dowel insertion equipment - has hose membrane adjustable by movable body in housing connected to reservoir via check valve
09/08/1993EP0558954A1 Metering pump for viscous, especially pasty products
09/08/1993EP0558607A1 Integral intravenous fluid delivery device
09/07/1993US5242279 Pump hose for a peristaltic pump
09/07/1993US5241985 Flow control valve system
09/02/1993WO1993017240A1 Self regulating blood pump
09/02/1993WO1993016875A1 Chemically resistant diaphragm
09/01/1993EP0365629B1 Braking pressure regulating system
09/01/1993CN2141472Y Convenient liquid taking device
08/1993
08/31/1993US5240390 Air valve actuator for reciprocable machine
08/25/1993EP0556622A1 Micro-pump and method for production thereof
08/25/1993CN2140975Y Two-way flow convoluted diaphragm pump
08/24/1993US5238156 Metering and spray pump for dispensing liquid, low-viscosity, and pasty substances
08/24/1993US5238060 Sampling pump with packer
08/19/1993DE4204682A1 Dual pump drive reducing vibrations - fixes two vibrating armature membrane pumps together so their armatures work against each other
08/18/1993EP0555549A1 Method and apparatus for high pressure liquid-jet-cutting
08/18/1993EP0555273A1 A two-stage pump for a continuous ink jet printer.
08/18/1993CN2140437Y Siphon starter
08/17/1993US5235995 Semiconductor processor apparatus with dynamic wafer vapor treatment and particulate volatilization
08/11/1993EP0427833B1 Peristaltic pump
08/11/1993CN2139999Y Hand self-flow pump
08/05/1993WO1993015317A1 Improvements in or relating to pumping systems
08/05/1993WO1993014734A1 Cardiac assist apparatus
08/05/1993CA2127981A1 Cardiac assist apparatus
08/04/1993EP0517698B1 Micro-miniaturised pump
08/04/1993EP0455696B1 Positive-displacement pump
08/04/1993EP0332690B1 Enhanced pressure measurement flow control system
08/04/1993EP0321573B1 Reciprocation switching structure for pumps
08/03/1993US5232352 Fluid activated double diaphragm pump
07/1993
07/28/1993CN2139182Y Forced diaphragm pump with four cylinders
07/28/1993CN1074734A Portable hand squeezed clrainage automatic liquid aspirator
07/27/1993US5230614 Reduced pulsation tapered ramp pump head
07/20/1993US5228840 Positive displacement pumps
07/20/1993US5228473 Internal safety valve system
07/14/1993EP0550810A2 Double diaphragm pump
07/14/1993CN2138202Y Multifunctional Liquid introducing pump
07/13/1993US5226801 Shock absorber type compressor
07/13/1993CA2020926C Peristaltic pump with mechanism for maintaining linear flow
07/07/1993CN2137729Y Slurry filling solidifying bellows pump for mine
07/06/1993US5224843 Two valve micropump with improved outlet
07/06/1993US5224841 Pneumatic bellows pump with supported bellows tube
07/06/1993US5224627 Metering pump dispenser for liquid and/or pasty media
06/1993
06/29/1993US5222946 Compact intravenous fluid delivery system
06/29/1993US5222880 Self-regulating blood pump
06/29/1993US5222876 Double diaphragm pump
06/24/1993DE4141825A1 Hand-operated pump for bottle or container - has membrane in place of piston and cylinder to prevent escape of vapours
06/23/1993EP0547726A1 Peristaltic pump
06/23/1993EP0547404A1 Hydraulically driven membrane pump with limitation of the membrane movement
06/23/1993CN1021355C Cylinder type soft film deep water pump
06/22/1993US5220943 Internal pump assembly
06/17/1993DE4140533A1 Lubricant micro-dispensation with pressure variation by piezoelectric transducer used in e.g. ink-jet printer - delivers very small droplets at intervals determined by pulsed connection of platelet transducer to voltage source
06/16/1993CN1073243A Liquid suction device
06/15/1993US5219279 Volumetric pump with pump plunger support and method
06/15/1993US5219278 Micropump with improved priming
06/15/1993CA1319067C Piston cap and boot seal for a medication infusion pump
06/08/1993US5217797 Chemically resistant diaphragm
06/08/1993US5217427 Centrifuge assembly
06/08/1993US5217426 Combination disposable plastic blood receiving container and blood component centrifuge
06/08/1993US5217355 Two-cycle peristaltic pump with occlusion detector
06/02/1993EP0544410A2 Irrigation system with high flow bypass for use with endoscopic procedure
06/02/1993CN2135073Y Hand oil extractor
06/02/1993CN2135072Y Multi-functional domestic miniature pressing fluid conveying appliance
06/01/1993US5215450 Innovative pumping system for peristaltic pumps
06/01/1993US5215446 Piezoelectric pump which uses a piezoelectric actuator
06/01/1993US5215231 Water supply apparatus for bicycle
05/1993
05/27/1993WO1993010351A1 Pump
05/27/1993WO1993009828A1 Intravenous fluid delivery system with air elimination
05/26/1993EP0542783A1 Dispensing process and apparatus particularly for a sealing/adhesive product.
05/26/1993CN2134503Y Rotor plate electro-magnetic diving pump
05/26/1993CN1020941C Positive displacement pump
05/25/1993US5213485 Air driven double diaphragm pump
05/25/1993US5213484 Diaphragm pump unit
05/25/1993US5213483 Peristaltic infusion pump with removable cassette and mechanically keyed tube set
05/25/1993US5213478 Slurry pumping method and apparatus
05/25/1993US5213025 Conical rod piston
05/25/1993US5212952 Compact power supply and lubricant affording device therefor
05/19/1993EP0541986A1 Peristaltic infusion pump
05/18/1993US5211548 Peristaltic pump having a motor overload protector
05/18/1993US5211201 Intravenous fluid delivery system with air elimination
05/13/1993DE4143371A1 Membrane for double membrane pump - has oppositely placed bulges one of which carries tensioning ring in groove
05/05/1993CN2132004Y Flexible belt type liquid sorption pump
04/1993
04/30/1993CA2081545A1 Irrigation system with high flow bypass for use with endoscopic procedure
04/29/1993WO1992016247A3 Flow-control valve system
04/29/1993DE4200495A1 Piston rod assembly with tumbler discs - has hollow lightweight piston with conical tip attached to camshaft ring
04/28/1993EP0538648A1 Carrying wagon for combined road-rail transport
04/28/1993EP0538327A1 Fluid control apparatus and methods
04/28/1993CN2130940Y Bellows-type liquid sucking apparatus
04/27/1993US5205819 Pump apparatus for biomedical use
04/27/1993US5205722 Metering pump
04/21/1993EP0538123A1 Diaphragmpump with continuously adjustable delivery between zero and a maximum value
04/21/1993EP0537334A1 Diaphragm and piston pump