| Patents for F04B 43 - Machines, pumps, or pumping installations having flexible working members (13,111) |
|---|
| 09/26/1989 | US4869397 Adjustable fill motor assembly |
| 09/26/1989 | CA1259871A1 Fluid infusion pump driver |
| 09/21/1989 | DE3806502A1 High-pressure pump for non-lubricating fluid and for pressures exceeding a thousand atmospheres |
| 09/21/1989 | DE3801160A1 Membrane pump driven by oil engine - has control valves to facilitate handling of slurries |
| 09/20/1989 | EP0333305A2 Parenteral solution pump assembly |
| 09/20/1989 | EP0332690A1 Enhanced pressure measurement flow control system |
| 09/20/1989 | CN2044653U Tubular peristaltic meatering pump |
| 09/19/1989 | US4867744 Peristaltic linear pump with contoured rollers |
| 09/19/1989 | US4867653 Diaphragm pump |
| 09/12/1989 | US4865528 Method and arrangement for starting an hydraulic diaphragm pump against load |
| 09/12/1989 | US4865525 Metering pump |
| 09/12/1989 | US4864918 Thermoplastic diaphragm |
| 09/05/1989 | US4862909 Drainage pan for liquid waste containers |
| 08/30/1989 | CN2043676U Bellows water pump |
| 08/29/1989 | US4861242 Self-loading peristaltic pump |
| 08/23/1989 | CN2043282U Key-type pump |
| 08/16/1989 | EP0328143A1 Control device for the hydraulic circuit of a piston-diaphragm pump |
| 08/15/1989 | US4857048 IV pump and disposable flow chamber with flow control |
| 08/15/1989 | US4856972 Dual roller peristaltic pump |
| 08/15/1989 | US4856969 Fluid powered diaphragm pump with cycle timer |
| 08/15/1989 | US4856966 Variable displacement diaphragm pump |
| 08/15/1989 | CA1258403A1 Pressure surface for a peristaltic pump |
| 08/10/1989 | WO1989007200A1 Tubular pump |
| 08/10/1989 | WO1989007199A1 Pump |
| 08/09/1989 | EP0327209A2 Motor unit for a fluid pump |
| 08/09/1989 | EP0262151A4 Filter pump head assembly. |
| 08/09/1989 | CN2042522U Oil-sucker for automobile |
| 08/08/1989 | US4854836 Collapsible conduit for linear peristaltic pump and method of making the same |
| 08/08/1989 | US4854832 Mechanical shift, pneumatic assist pilot valve for diaphragm pump |
| 08/02/1989 | EP0325618A1 A pump and a fluid dispensing device incorporating a pump |
| 08/02/1989 | CN2042119U Liquid pumping device |
| 07/27/1989 | DE3801402A1 Feed device for a hose pump |
| 07/19/1989 | EP0324669A1 Totally implantable cardiac prosthesis having floating membranes, quick connectors and replaceable elements |
| 07/18/1989 | CA1257579A1 Clamping arrangement for diaphragm-type piston |
| 07/12/1989 | CN2040958U Valve choked type liquid flow suctor |
| 07/11/1989 | US4846637 Infusion pump system and conduit therefor |
| 07/05/1989 | EP0322933A1 Pulsatile pump for extracorporeal circulation |
| 07/05/1989 | EP0322899A2 Piezo electric vibrator pump |
| 07/05/1989 | EP0322594A1 Hose pump |
| 07/05/1989 | CN2040553U Safety oil siphon |
| 07/05/1989 | CN2040552U Stepless variable-displacement diaphragm pump |
| 07/05/1989 | CN2040551U 挠性叶片泵 Flexible vane pump |
| 06/28/1989 | EP0321573A1 Reciprocation switching structure for pumps |
| 06/28/1989 | CN2040175U Electric and hydraulic diaphragm type medium-transfering pump |
| 06/27/1989 | CA1256317A1 Submersible high pressure pump |
| 06/21/1989 | EP0321338A1 Diaphragm failure detection device for a diaphragm pump |
| 06/21/1989 | EP0320963A2 Volumetric fluid pump working like a pump with rotary pistons |
| 06/20/1989 | CA1255965A1 Pump with continuous inflow and pulsating outflow |
| 06/15/1989 | WO1989005406A1 Stretched tube pump |
| 06/14/1989 | EP0320441A1 Apparatus and process for producing a plastic support coated with living cells |
| 06/14/1989 | EP0320091A1 Apparatus and method for sensing diaphragm failures in reciprocating pumps |
| 06/14/1989 | EP0319565A1 A transporter. |
| 06/13/1989 | EP0183823A4 Single valve diaphragm pump with decreased sensitivity to ambient conditions. |
| 06/07/1989 | EP0319276A1 Piston cap and boot seal for a medication infusion system |
| 06/06/1989 | US4836756 Pneumatic pumping device |
| 06/06/1989 | CA1255051A1 Double pump adapted for use as an artificial heart |
| 06/01/1989 | WO1989004923A1 Peristaltic pump tube |
| 05/30/1989 | US4834630 Peristaltic pump |
| 05/24/1989 | CN2038152U Multipurpose water pump |
| 05/23/1989 | US4832585 Roller pump having force transmitting means |
| 05/23/1989 | US4832584 Rotor for peristaltic pump |
| 05/23/1989 | US4832582 Electric diaphragm pump with valve holding structure |
| 05/23/1989 | US4832581 Diaphragm pump with circulation flushing |
| 05/23/1989 | US4832580 Fluid pressurizing delivery pump system |
| 05/16/1989 | US4830586 Double acting diaphragm pump |
| 05/16/1989 | US4830577 Impulse pump with a metal diaphragm |
| 05/10/1989 | EP0314994A1 Pump arrangement with double pump |
| 05/09/1989 | US4828464 Diaphragm pump device |
| 05/03/1989 | EP0314379A1 A diaphragm and a diaphragm-actuated fluid-transfer control device |
| 05/02/1989 | US4826482 Enhanced pressure measurement flow control system |
| 04/26/1989 | EP0312722A1 Dosing and spraying pump for liquid viscous products |
| 04/25/1989 | US4824339 Peristaltic pump cartridge |
| 04/25/1989 | US4824338 Pump arrangement which includes axially extending cylindrical ring noses on coned rings with a centering ring and seal ring radially of the face wherein two of the ring nose are oppositionally directed and laid together |
| 04/25/1989 | US4824336 Vacuum pump |
| 04/25/1989 | CA1253048A1 Blood pump |
| 04/20/1989 | DE3733320A1 Pressure-vessel marking machine with multiple-bellows pump |
| 04/20/1989 | DE3727989A1 Assemblies carrying a fluid flow with axially sprung elements defining chambers for pressures up to several thousands of atmospheres |
| 04/20/1989 | DE3711633A1 Assemblies carrying a fluid flow with axially sprung elements defining chambers for pressures up to thousands of atmospheres |
| 04/18/1989 | US4822257 Pump arrangement, particularly for pumping water from deep wells |
| 04/18/1989 | US4822255 Pump for pressures exceeding one thousand atmospheres by the provision of a half-pressure chamber around a high pressure chamber between coned ring elements |
| 04/18/1989 | US4822250 Apparatus for transferring small amount of fluid |
| 04/12/1989 | EP0310605A1 Piezoelectrically operated fluid pump |
| 04/05/1989 | CN2035402U Man-power plastic membrane pump |
| 04/04/1989 | US4818191 Double-acting diaphragm pump system |
| 04/04/1989 | US4817688 Method and device for driving double bellows pump |
| 04/04/1989 | US4817503 Diaphragm pump with pressure chamber having a ribbed wall |
| 03/29/1989 | EP0308541A1 Pressure chamber of diaphragm pump |
| 03/29/1989 | CN1032061A Metering and spray pump for liquid and low-viscosity substances |
| 03/28/1989 | US4816019 Infiltration detection system using pressure measurement |
| 03/28/1989 | US4815948 Vibratory pump |
| 03/22/1989 | EP0307403A1 Ink writing head with piezoelectrically excitable membrane. |
| 03/21/1989 | US4813855 Peristaltic pump |
| 03/15/1989 | EP0307069A2 Disposable cell-diaphragm pump |
| 03/15/1989 | CN2034202U Pedal type diaphragm pump |
| 03/09/1989 | WO1989001795A1 Enhanced pressure measurement flow control system |
| 03/07/1989 | US4810172 Gas-operated positive displacement pump |
| 03/07/1989 | US4809676 For helping propel blood through the aorta |
| 02/28/1989 | US4808161 Pressure-measurement flow control system |
| 02/28/1989 | US4808084 Apparatus for transferring small amount of fluid |
| 02/22/1989 | EP0304210A2 Double diaphragm pumps |