| Patents for F04B 43 - Machines, pumps, or pumping installations having flexible working members (13,111) |
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| 08/18/1994 | WO1994018454A1 A rotary machine for delivering liquids or gases |
| 08/18/1994 | WO1994018453A1 Vacuum pump device |
| 08/17/1994 | EP0610569A1 Electric pump for delivering water in household appliances |
| 08/17/1994 | EP0429591B1 Improved micro-pump |
| 08/17/1994 | CN2174579Y Liquid-dynamic sucking-filling apparatus |
| 08/17/1994 | CN2174578Y Double bellows pump |
| 08/17/1994 | CN2174577Y Closed gas-liquid multi-purpose corrosionproof bellows pump |
| 08/16/1994 | US5338164 Positive displacement micropump |
| 08/16/1994 | US5338157 Systems and methods for communicating with ambulatory medical devices such as drug delivery devices |
| 08/11/1994 | DE4328560A1 Pump for delivering explosive gases |
| 08/10/1994 | CN2173868Y Piston type slurry diaphragm pump |
| 08/09/1994 | US5336062 Microminiaturized pump |
| 08/09/1994 | US5336057 Micropump with liquid-absorptive polymer gel actuator |
| 08/09/1994 | US5336053 Method of testing for leakage in a solution pumping system |
| 08/09/1994 | US5336051 Inline non-invasive pressure monitoring system for pumps |
| 08/04/1994 | WO1994017307A1 Method of testing for leakage in a solution pumping system |
| 08/04/1994 | CA2152924A1 Method of testing for leakage in a solution pumping system |
| 08/03/1994 | EP0609044A1 An air valving mechanism, in combination with a double diaphragm pump subassembly |
| 08/03/1994 | EP0467999B1 Electrohydraulic drive for pumps e.g. artificial hearts |
| 08/02/1994 | US5334003 Air valving mechanism, in combination with a double diaphragm pump subassembly |
| 07/26/1994 | US5332372 Modular double-diaphragm pump |
| 07/26/1994 | US5332370 Miniature diaphragm pump |
| 07/26/1994 | CA2113754A1 Air valving mechanism, in combination with a double diaphragm pump subassembly |
| 07/21/1994 | WO1994015658A1 Irrigation system with tubing cassette |
| 07/20/1994 | EP0606504A1 Feed pump |
| 07/20/1994 | CN2172358Y Diaphragm maximum bending mechanical self-controlling mechanism for hydraulic bellows pump |
| 07/13/1994 | EP0606099A2 Peristaltic pump |
| 07/13/1994 | EP0605673A1 Friction-free infusion pump system |
| 07/12/1994 | US5327777 Biorheological measurement |
| 07/10/1994 | CA2112840A1 Feed pump |
| 07/07/1994 | WO1994015099A1 Solution pumping system for maximizing output while minimizing pumping pressures |
| 07/07/1994 | WO1994015098A1 Improved cartridge for drug infusion pump |
| 07/07/1994 | CA2145294A1 Solution pumping system for maximizing output while minimizing pumping pressures |
| 07/06/1994 | EP0604740A1 Diaphragm pump |
| 07/06/1994 | EP0418306B1 Infusion device with disposable elements |
| 07/06/1994 | CN2171018Y Spiral spring pipe pump |
| 07/05/1994 | US5326236 Compliant rotor for an improved cartridge for drug infusion pump |
| 07/05/1994 | US5326234 Fluid driven pump |
| 07/05/1994 | US5325667 Machine for transforming pressure or potential energy of a fluid into mechanical work |
| 06/29/1994 | CN2170389Y Pressurizing delivering device for fluid |
| 06/29/1994 | CN2170388Y Air driving pump |
| 06/22/1994 | EP0458910B1 Accurate peristaltic pump |
| 06/21/1994 | US5322506 Irrigation system with high flow bypass for use with endoscopic procedure |
| 06/21/1994 | US5322422 Volumetric pump tube reshaper and method |
| 06/15/1994 | EP0601516A1 Cooling device |
| 06/14/1994 | US5320504 Flap valve arrangement |
| 06/14/1994 | US5320503 Infusion device with disposable elements |
| 06/14/1994 | US5320502 Infusion device with disposable elements |
| 06/07/1994 | US5318414 Valve arrangement and positive-displacement pump |
| 06/07/1994 | US5318413 For metering minute quantities of fluid |
| 06/01/1994 | EP0599738A1 Fluid-tight piston pump |
| 05/31/1994 | US5316452 Dispensing assembly with interchangeable cartridge pumps |
| 05/31/1994 | US5316444 Pump control and method of pumping |
| 05/26/1994 | WO1994011719A1 Method of fabricating membranes mounted on a frame |
| 05/26/1994 | WO1994011710A1 Method and equipment for dosing small amounts of liquid quantitatively |
| 05/26/1994 | WO1994010868A1 Inflation mechanism for an inflatable article of manufacture |
| 05/26/1994 | CA2126869A1 Inflation mechanism for an inflatable article of manufacture |
| 05/25/1994 | CN2166256Y Thrust pump |
| 05/25/1994 | CN2166255Y Double-directional topping-up pump |
| 05/24/1994 | CA1329729C Diaphragm pump |
| 05/18/1994 | EP0596977A1 Diaphragm pump. |
| 05/17/1994 | CA1329450C Quick-connect, totally implantable cardiac prosthesis with floating membranes and removable sensitive elements |
| 05/11/1994 | WO1994010446A1 Peristaltic pump |
| 05/11/1994 | DE4334729A1 Fluid delivery pump for liquid medication - has pair of stops to control movement of rod actuating pump membrane |
| 05/11/1994 | CN2164473Y Capacity changeable hose pump |
| 05/11/1994 | CN2164472Y Fully-closed corrosion-proof positive displacement liquid pump |
| 05/04/1994 | EP0595721A1 Volumetric peristaltic pump comprising an elastic suction and exhaust element |
| 05/03/1994 | US5309180 Ink jet recording apparatus and recovering mechanism thereof |
| 05/03/1994 | US5308230 Bellows pump |
| 04/26/1994 | US5306125 Dispensing pump for substances of low viscosity, especially paste-like substances |
| 04/26/1994 | US5306122 Diaphragm pump construction |
| 04/26/1994 | US5305982 Adjustable static pressure regulator |
| 04/21/1994 | DE3844756C2 Cassette for peristaltic blood pump |
| 04/20/1994 | EP0593411A1 Fluid control and/or moving device |
| 04/20/1994 | EP0592411A1 Apparatus for repetitively dispensing a measured volume of liquid. |
| 04/20/1994 | CN1085647A Manufacturing method for solar working machine and its equipment |
| 04/19/1994 | US5303599 Miniaturized sampler |
| 04/19/1994 | CA2063204C Peristaltic voltage blocks |
| 04/14/1994 | WO1994008138A1 Peristaltic pump having means for reducing flow pulsation |
| 04/13/1994 | EP0592006A1 Tube pump mechanism for ink jet recording apparatus |
| 04/12/1994 | US5302929 Magnetically actuated positive displacement pump |
| 04/12/1994 | US5302093 Disposable cassette with negative head height fluid supply and method |
| 04/12/1994 | US5301860 Water supply apparatus for bicycle |
| 04/12/1994 | US5301749 Dual pump floating layer recovery apparatus |
| 04/07/1994 | DE4232514C1 Membrane pump drive circuit - delivers voltage pulses of the same polarity flanking voltage pulse of opposing polarity with structured pulse time intervals |
| 03/30/1994 | CN1084615A Air-driving pump |
| 03/29/1994 | US5297944 Inflatable pump and article |
| 03/23/1994 | EP0587912A1 Fluid controlling microdevice and method of manufacturing the same |
| 03/23/1994 | EP0587678A1 A pump system. |
| 03/22/1994 | US5295791 Tapered fluid compressor & refrigeration apparatus |
| 03/17/1994 | WO1994005355A1 Systems and methods for communicating with ambulatory medical devices such as drug delivery devices |
| 03/17/1994 | WO1994005345A1 Pump for biological liquids |
| 03/16/1994 | CN2158932Y Oil-sucking device |
| 03/09/1994 | EP0448592B1 Fluid flow control apparatus |
| 03/09/1994 | CN2158454Y Mini pump for spraying water |
| 03/08/1994 | US5292235 Membranes and neighboring members in pumps, compressors and devices |
| 03/01/1994 | US5290158 Peristaltic pump |
| 02/23/1994 | EP0583257A1 Fruit juice dispenser. |
| 02/23/1994 | CN2157331Y Full-sealed corrosion-resistant peristaltic pump |
| 02/22/1994 | US5288214 Micropump |