| Patents for F04B 43 - Machines, pumps, or pumping installations having flexible working members (13,111) |
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| 02/17/1994 | WO1994003729A1 Miniature mechanical vacuum pump |
| 02/17/1994 | WO1994003728A1 Peristaltic pump |
| 02/16/1994 | EP0582628A1 Multi-layered diaphragm with leakage offtake for diaphragm pumps. |
| 02/16/1994 | EP0582625A1 Process and device for the controlled metering of at least one pourable component. |
| 02/16/1994 | EP0453532B1 Micropump with improved priming |
| 02/16/1994 | CN2156313Y Multi-power pump |
| 02/15/1994 | US5286176 Electromagnetic pump |
| 02/09/1994 | EP0582159A1 Manually actuated diaphragm pump for an injection system of an internal combustion engine |
| 02/08/1994 | US5284425 Fluid metering pump |
| 02/08/1994 | US5284179 Valve and semiconductor fabricating equipment using the same |
| 02/01/1994 | US5282849 Ventricle assist device with volume displacement chamber |
| 01/25/1994 | US5281112 Self regulating blood pump with controlled suction |
| 01/25/1994 | US5281111 Cartridge for drug infusion pump |
| 01/25/1994 | US5281107 Control system for piston membrane pump |
| 01/25/1994 | US5280808 Air valve actuator for reciprocable machine |
| 01/20/1994 | WO1994001678A1 Inflatable pump and article |
| 01/20/1994 | DE4223756A1 Fuel pump for two=stroke engine in power tool - has pressure valve placed within suction valve to define pump chamber |
| 01/20/1994 | CA2139640A1 Inflatable pump and article |
| 01/19/1994 | EP0578999A1 Electronic control interface for fluid powered diaphragm pump |
| 01/19/1994 | CN2153654Y U shape full sealing anticorrosion pump |
| 01/18/1994 | US5279504 Multi-diaphragm metering pump |
| 01/12/1994 | EP0577946A2 Tube pump |
| 01/11/1994 | US5277556 Valve and micropump incorporating said valve |
| 01/11/1994 | US5277555 Fluid activated double diaphragm pump |
| 01/11/1994 | CA1325923C Pulsatile pump for extra-corporeal circulation |
| 01/06/1994 | WO1994000689A1 Pump arrangement |
| 01/05/1994 | DE4221379A1 Pump chamber for medical use - has incompressible medium filling space between elastic separating wall and housing which has connection with hose for attachment to external devices |
| 01/05/1994 | CN2152096Y Grip force oil pump |
| 01/05/1994 | CN2152095Y Horizontal double piston single function two-way hydraulic mud pump |
| 01/04/1994 | US5275541 Fluid-operated valve for pumps and the like |
| 12/28/1993 | US5273518 Cardiac assist apparatus |
| 12/28/1993 | US5273406 For transferring substances |
| 12/23/1993 | WO1993025816A1 Programmable infusion pump with interchangeable tubing |
| 12/23/1993 | DE4219664A1 Delivery unit for displacement action metering pump - incorporates auxiliary pump to ensure adequate delivery of very small volumes. |
| 12/23/1993 | CA2137772A1 Programmable infusion pump with interchangeable tubing |
| 12/22/1993 | EP0526475B1 Programmable valve pump |
| 12/22/1993 | CN2150362Y Liquid-pumping bag |
| 12/22/1993 | CN2150361Y Polyurethane rubber pump |
| 12/21/1993 | US5271724 Valve equipped with a position detector and a micropump incorporating said valve |
| 12/15/1993 | CN2149493Y Apparatus for pumping water for domestic water tank |
| 12/14/1993 | US5269811 Primary fluid actuated, secondary fluid propelling system |
| 12/09/1993 | WO1993024755A1 Reduced pulsation tapered ramp pump head |
| 12/09/1993 | CA2136015A1 Reduced pulsation tapered ramp pump head |
| 12/07/1993 | US5267841 Peristaltic injector |
| 12/01/1993 | CN2148197Y Self-flow type oil pumping device |
| 12/01/1993 | CN1079030A Automatic control system for diaphragm pumps |
| 11/30/1993 | US5266013 Portable pump for the administration of a therapeutic |
| 11/30/1993 | CA1324809C Diaphragm piston assembly |
| 11/25/1993 | DE4223616C1 Mfr. of hollow microstructures closed on one side by means of a membrane - by galvanic deposition into a resist structure on a thin layer carried by a substrate |
| 11/24/1993 | CN1022852C Pump apparatus for biomedical use |
| 11/23/1993 | US5263978 Blood pump for pulsating operation |
| 11/23/1993 | US5263831 Peristaltic pump |
| 11/23/1993 | US5263830 Peristaltic pump assembly |
| 11/23/1993 | US5263827 For gas-containing fluids |
| 11/18/1993 | EP0570259A1 Peristaltic pump with an elastic external stator support |
| 11/18/1993 | EP0569875A1 Hose pump |
| 11/18/1993 | EP0569874A1 Hose pump |
| 11/18/1993 | DE4223019C1 Electromechanical valveless microminiature pump - has membrane actuator for applying oscillation perpendicular to fluid flow and anisotropic structure e.g. mfd by etching of silicon wafer. |
| 11/17/1993 | CN2146584Y Pollutionless extrusion fluid flow pump |
| 11/16/1993 | US5262068 Integrated system for filtering and dispensing fluid having fill, dispense and bubble purge strokes |
| 11/16/1993 | US5261798 Double membrane pump |
| 11/16/1993 | US5261793 Miniature mechanical vacuum pump |
| 11/16/1993 | US5261792 Reverse osmosis water purifier booster pump system |
| 11/11/1993 | WO1993022560A1 Cassette-type peristaltique pump provided with an undeceitful assembly |
| 11/11/1993 | WO1993022559A1 Driving shaft for peristaltique pump and fabrication method |
| 11/11/1993 | WO1993022558A1 Hose pump |
| 11/11/1993 | WO1993021976A1 Friction-free infusion pump system |
| 11/11/1993 | CA2134339A1 Cassette-type peristaltic pump provided with an undeceitful assembly |
| 11/11/1993 | CA2111557A1 Friction-free infusion pump system |
| 11/11/1993 | CA2110981A1 Drive shaft for a peristaltic pump and its manufacturing process |
| 11/10/1993 | EP0568902A2 Micropump avoiding microcavitation |
| 11/09/1993 | US5259737 Silicon semiconductor sandwiched between glass layers; medical equipment |
| 11/09/1993 | US5259352 Membrane fuel pump for a membrane carburetor |
| 11/09/1993 | CA1324046C Pump with plural flow lines |
| 11/03/1993 | EP0568176A1 Automatic control system for diaphragm pumps |
| 11/03/1993 | CN2145272Y Liquid siphonage pump |
| 11/02/1993 | US5257917 Peristaltic pump having means for reducing flow pulsation |
| 11/02/1993 | US5257914 Electronic control interface for fluid powered diaphragm pump |
| 10/31/1993 | CA2089352A1 Automatic control system for diaphragm pumps |
| 10/28/1993 | DE4313370A1 Miniature membrane pump - has motor whose shaft has eccentric peg driving oscillating piston, bearing against rigid section of membrane |
| 10/27/1993 | EP0567270A2 Back pressure control in ink-jet printing |
| 10/26/1993 | US5256041 Peristaltic pump arrangement |
| 10/20/1993 | EP0565977A2 Plastic dosing pump for low viscosity materials, in particular pasty materials |
| 10/14/1993 | WO1993020351A1 Fluid controlling microdevice and method of manufacturing the same |
| 10/13/1993 | EP0564575A1 Solution pumping system with compressible pump cassette |
| 10/12/1993 | US5252044 Parenteral fluid pump with disposable cassette |
| 10/12/1993 | US5252041 Automatic control system for diaphragm pumps |
| 10/12/1993 | US5251539 Bellows pump |
| 10/12/1993 | CA1322924C Infusion device with disposable elements |
| 10/07/1993 | DE4228193C1 Miniature pump flow control - has a porous membrane at inlet or outlet for laser beam to pass through |
| 10/07/1993 | DE4210539A1 Jet pump for use in vehicle fuel tank - has membrane pump operating in parallel to give full flow even when vapour is present. |
| 10/06/1993 | CN1077009A Air valve actuator for reciprocable machine |
| 10/05/1993 | US5249938 Peristaltic pump |
| 10/05/1993 | US5249937 Peristaltic pump with three lockingly sealed modules |
| 10/05/1993 | US5249932 Apparatus for controlling diaphragm extension in a diaphragm metering pump |
| 10/05/1993 | US5249929 Liquid chromatographic pump |
| 09/28/1993 | US5248904 Switching regulator soft start circuit |
| 09/23/1993 | DE4208961A1 Compressed air driven double membrane pump - uses two modules each divided into pump chamber and air chamber |
| 09/22/1993 | EP0527868A4 Disposable infusion apparatus with peristaltic pump |
| 09/21/1993 | US5246351 Hydraulically driven diaphragm pump with diaphragm stroke limitation |