| Patents for F04D 33 - Non-positive-displacement pumps with other than pure rotation, e.g. of oscillating type (448) |
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| 08/04/2004 | EP1442220A1 Nutating centrifugal pump |
| 07/27/2004 | US6767194 Valves and pumps for microfluidic systems and method for making microfluidic systems |
| 07/21/2004 | EP1438537A2 Non-mechanical blower |
| 07/21/2004 | EP1438514A1 Valveless pump |
| 06/16/2004 | CN1505737A Nutating centrifugal pump |
| 05/27/2004 | US20040101422 Vibrating pumping stage for molecular vacuum pumps, and molecular vacuum pump with vibrating pumping stages |
| 04/07/2004 | EP1406020A2 Vibrating pumping stage for vacuum pumps, and vacuum pump with vibrating pumping stages |
| 03/30/2004 | US6713942 Piezoelectric device with feedback sensor |
| 03/04/2004 | WO2003027575A3 Non-mechanical blower |
| 03/04/2004 | US20040042915 Fluidic drive for miniature acoustic fluidic pumps and mixers |
| 02/10/2004 | US6688843 Once-through pump |
| 01/14/2004 | CN1134595C Electric oscillation fan |
| 10/08/2003 | EP1350029A2 Valves and pumps for microfluidic systems and method for making microfluidic systems |
| 09/25/2003 | WO2002021568A3 Distributed mems electrostatic pumping devices |
| 09/04/2003 | WO2003072950A1 Fan |
| 09/02/2003 | US6612816 Molecular pump |
| 08/28/2003 | WO2003071132A2 Small piezoelectric air pumps with unobstructed airflow |
| 05/27/2003 | US6568052 Method for constructing a fluidic driver for use with microfluidic circuits as a pump and mixer |
| 05/01/2003 | WO2003036098A1 Valveless pump |
| 04/03/2003 | WO2003027575A2 Non-mechanical blower |
| 02/20/2003 | WO2002053290A3 Valves and pumps for microfluidic systems and method for making microfluidic systems |
| 02/06/2003 | US20030026687 Nutating centrifugal pump |
| 01/28/2003 | US6511305 Oscillatory pump-conveyor for transporting liquid-solid mixture with the employment of rotational and inertial forces |
| 01/14/2003 | US6506012 Nutating centrifugal pump |
| 11/28/2002 | WO2002095235A1 Nutating centrifugal pump |
| 11/28/2002 | US20020175597 Piezoelectric device with feedback sensor |
| 11/28/2002 | US20020175596 Thin profile piezoelectric jet device |
| 11/26/2002 | US6485273 Distributed MEMS electrostatic pumping devices |
| 11/21/2002 | US20020172611 Nutating centrifugal pump |
| 11/21/2002 | US20020172592 Machine based on inertial rotational forces operating as a turbine or a pump |
| 11/20/2002 | EP1258637A1 'Bird wing' pump |
| 11/14/2002 | US20020168278 Valves and pumps for microfluidic systems and method for making microfluidic systems |
| 11/06/2002 | EP1255043A2 Inertia driven turbine or pump |
| 07/17/2002 | EP1125065B1 Molecular pump |
| 07/11/2002 | WO2002053290A2 Valves and pumps for microfluidic systems and method for making microfluidic systems |
| 07/11/2002 | US20020090291 Once-through pump |
| 07/11/2002 | CA2431237A1 Valves and pumps for microfluidic systems and method for making microfluidic systems |
| 05/15/2002 | CN1084848C Oscillation electric fan |
| 03/14/2002 | WO2002021568A2 Distributed mems electrostatic pumping devices |
| 12/25/2001 | US6332756 Motion converting unit |
| 11/07/2001 | CN1321262A Compressor drive |
| 10/23/2001 | US6305917 Pump consisting of a mechanism transmitting to a tubular circuit system periodic rotational inertial forces developing in the liquid contained therein continuous pressure and flow |
| 08/22/2001 | EP1125065A1 Molecular pump |
| 07/25/2001 | EP1118048A1 Compressor drive |
| 04/25/2001 | EP1094226A1 Conveyor operated by transfering of oscillating rotor inertias |
| 04/03/2001 | US6210128 Fluidic drive for miniature acoustic fluidic pumps and mixers |
| 03/06/2001 | US6196805 Method and apparatus for oscillatingly elevating fluid |
| 02/08/2001 | WO2001009695A1 Compressor drive |
| 02/08/2001 | DE19935299A1 Rotation surface from drive and control element, in which system can serve as rudder on wing principle and also as transverse pushing device |
| 02/07/2001 | CN1282843A Electric oscillation fan |
| 12/07/2000 | DE19924322A1 Acoustic compressor for vehicle air-conditioning system has coolant-filled resonance tube with oscillator to vibrate membrane at one end and controllable valve arrangement at other end |
| 10/11/2000 | CN2400617Y Rotating structure of electric fan |
| 09/14/2000 | WO2000053935A1 Method and devices for producing a fluid current |
| 09/14/2000 | DE19910731A1 Verfahren und Vorrichtung für eine Strömungsmaschine mit hin- und hergehenden Teilen Method and apparatus for a turbomachine with reciprocating parts |
| 09/06/2000 | CN1265777A Low-profile axial-flow single-blade piezoelectric fan |
| 07/20/2000 | WO2000042326A1 Motion converting device |
| 06/29/2000 | WO2000037799A1 Electric waving fan |
| 04/27/2000 | WO2000023715A1 Molecular pump |
| 04/27/2000 | CA2347169A1 Molecular pump |
| 04/26/2000 | EP0995908A1 Molecular pump |
| 04/18/2000 | US6050790 Electric waving fan with oscillating multi-direction fan vane element |
| 03/15/2000 | EP0985237A1 Low-profile axial-flow single-blade piezoelectric fan |
| 12/15/1999 | EP0964162A1 Pump consisting of a system of pipes oscillated in order to pump by inertia |
| 09/22/1999 | CN1045218C System for conveying liquid at special speed using supersonic vibrator |
| 08/24/1999 | US5941694 Fluid conveying apparatus having multiple piezoelectric driven blades |
| 03/31/1999 | CN1212335A Electric fan |
| 01/19/1999 | US5861703 Low-profile axial-flow single-blade piezoelectric fan |
| 12/03/1998 | WO1998054765A1 Low-profile axial-flow single-blade piezoelectric fan |
| 02/25/1998 | EP0733168B1 Cooling fan |
| 01/02/1998 | DE19717045A1 Water pump for contaminated water |
| 08/26/1997 | US5660528 Liquid delivery system at specified rate using ultrasonic vibrators |
| 11/13/1996 | CN1135454A System of coveying liquid at special speed using supersonic vibrator |
| 09/25/1996 | EP0733168A1 Cooling fan |
| 08/28/1996 | CN2234004Y Fan with electric energy storage function |
| 06/20/1996 | WO1996018823A1 Metal enforced pvdf vibrational fan |
| 06/04/1996 | US5522712 Low-powered cooling fan for dissipating heat |
| 03/07/1996 | DE4405544A1 Pulse jet drive for use in liquid or gaseous environments |
| 06/15/1995 | WO1995016137A1 Cooling fan |
| 06/14/1995 | CN2200715Y Pedal booster inflater |
| 05/31/1995 | EP0368858B1 Electrokinetic transducing methods and apparatus and systems comprising or utilizing the same |
| 04/11/1995 | US5405251 Oscillating centrifugal pump |
| 04/05/1995 | CN2193943Y Numerical control regulating and metering fan |
| 02/15/1995 | EP0638729A1 Liquid pump and method |
| 10/11/1994 | CA1332435C Electrokinetic transducing methods and apparatus and systems comprising or utilizing the same |
| 07/26/1994 | CA2056403C Microminiaturized electrostatic pump |
| 06/29/1994 | EP0603844A1 Microminiaturized electrostatic pump and method of production thereof |
| 06/28/1994 | US5324164 Fluid active device |
| 05/04/1994 | EP0595279A1 Pump with rocking disk |
| 04/12/1994 | US5302092 Fluid transferring apparatus imitating flapping movement of bees |
| 12/08/1993 | CN2148847Y Improved structural double-direction air inlet piston |
| 05/27/1993 | WO1993010357A1 Flexible membrane sealless centrifugal pump |
| 05/27/1993 | CA2123305A1 Flexible membrane sealless centrifugal pump |
| 03/16/1993 | US5193977 Flexible membrane sealless centrifugal pump |
| 01/19/1993 | US5180288 Microminiaturized electrostatic pump |
| 01/07/1993 | DE4121701A1 Oscillatory nozzle coupler for ultrasonic excitation of currents in contact fluid - has strongly vibrated layer of outlet apertures on one side and vibrated layer of inlet apertures on other |
| 12/09/1992 | EP0517249A2 Fluid transferring apparatus imitating flapping movement of bees |
| 12/08/1992 | CA2070574A1 Fluid transferring apparatus imitating flapping movement of bees |
| 11/04/1992 | EP0469019B1 Microminiaturized electrostatic pump |
| 08/13/1992 | DE4104197A1 Side channel pump for aggressive chemicals - with system of arranging oscillaltion channels relative to side channel |
| 02/05/1992 | EP0469019A1 Microminiaturized electrostatic pump. |