| Patents for F04B 45 - Pumps or pumping installations having flexible working members and specially adapted for elastic fluids (2,191) |
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| 04/07/2010 | CN101691859A Axial-movement single air bag type air pump |
| 04/06/2010 | CA2457658C A compact vacuum pump |
| 04/01/2010 | WO2010035862A1 Piezoelectric pump |
| 03/31/2010 | CN201433881Y Sound absorbing air pump |
| 03/25/2010 | WO2010032607A1 Electronic device |
| 03/24/2010 | CN101680443A Diaphragm pump with two diaphragm heads and two separate pump housings |
| 03/17/2010 | CN201425016Y Novel air inlet and outlet structure |
| 03/11/2010 | US20100061871 Compressor slider, slider preform, scroll part, and compressor |
| 03/11/2010 | DE102008042235B3 Stepper drive for stepper drive assembly, has rotor and two drive units cooperating with rotor and gradually driving rotor with help of centrally supplied fluidic energy |
| 03/10/2010 | EP2161448A1 Motor-driven pump |
| 03/04/2010 | WO2010002116A3 Hot water boiler with improved performance |
| 03/04/2010 | DE102008038549A1 Airflow producing device for cooling electronic circuit i.e. electronic ballast, utilized for energy-saving lamp, has vibrating element that is stimulated to vibrate by stimulation element, where vibrations lead to air flow |
| 02/25/2010 | US20100047098 Peristaltic pump |
| 02/24/2010 | CN201412311Y Diaphragm pump for sprayer use |
| 02/18/2010 | WO2010019470A1 Tubular pump |
| 02/16/2010 | US7661933 Electromagnetic vibrating type diaphragm pump |
| 02/16/2010 | CA2371211C A combination of a chamber and a piston, a pump, a motor, a shock absorber and a transducer incorporating the combination |
| 02/10/2010 | CN101644250A Self-deformation aeration constant pressure device in elastic confined space |
| 02/04/2010 | WO2009137346A3 An improved peristaltic pump |
| 02/03/2010 | CN201394008Y Pump component of bone density detector |
| 02/02/2010 | US7654803 Tube pump and liquid ejection apparatus |
| 01/27/2010 | CN201390395Y Freon-free medical aerosol one-step-method production device |
| 01/27/2010 | CN101636585A Vacuum diaphragm pump unit |
| 01/27/2010 | CN100585181C Planetary wheel driven creepage pump with orbicular track |
| 01/26/2010 | US7651324 Diaphragm pump |
| 01/14/2010 | WO2010003272A1 A gas extraction apparatus |
| 01/12/2010 | US7645127 Pulseless peristaltic pump |
| 01/07/2010 | WO2010002116A2 Hot water boiler with improved performance |
| 12/31/2009 | US20090324431 Apparatus for pumping a fluid |
| 12/24/2009 | US20090317264 Esp motor windings for high temperature environments |
| 12/16/2009 | CN201363259Y Air inflation control valve |
| 12/16/2009 | CN201363258Y Air inflation control valve |
| 12/16/2009 | CN101603528A Combination of a chamber and a piston, and a pump, engine, oscillation absorber and a converter containing such combination |
| 12/16/2009 | CN101603521A Pump |
| 12/15/2009 | US7632080 Bezel assembly for pneumatic control |
| 12/15/2009 | US7632078 Pump cassette bank |
| 12/10/2009 | WO2009148008A1 Piezoelectric micro-blower |
| 12/10/2009 | WO2009148005A1 Piezoelectric microblower |
| 12/10/2009 | US20090304537 Pneumatic chemical pump |
| 12/10/2009 | US20090304532 Multiple membrane pump for food liquids and the like |
| 12/09/2009 | EP2129915A2 Vacuum diaphragm pump unit |
| 12/09/2009 | CN201356119Y Elastic air pump |
| 12/09/2009 | CN101598125A A combination of a chamber and a piston, a pump, a motor, a shock absorber and a transducer incorporating the combination |
| 12/08/2009 | CA2377413C A device comprising a combination of a chamber and a piston |
| 12/03/2009 | WO2009145064A1 Piezoelectric microblower |
| 12/02/2009 | CN201354726Y Inflating device |
| 12/02/2009 | CN201354719Y Large flow high pressure air pump for vehicles |
| 12/01/2009 | US7625189 Peristaltic pump |
| 12/01/2009 | CA2566711C Electroactive polymer pumping system |
| 11/25/2009 | EP2123913A1 Fluid transportation device |
| 11/25/2009 | CN201351592Y Pressure regulating device of air pump |
| 11/25/2009 | CN201351591Y Corrosion-resistant diaphragm vacuum pump |
| 11/19/2009 | WO2009137862A1 A valve and diaphragm for a pump |
| 11/19/2009 | CA2722592A1 A valve and diaphragm for a pump |
| 11/18/2009 | CN101581291A Fluid conveying device |
| 11/12/2009 | WO2009137346A2 An improved peristaltic pump |
| 11/12/2009 | US20090280016 Peristaltic pump |
| 11/05/2009 | DE102007057945B4 Mehrstufige Membran-Saugpumpe Multi-stage membrane suction |
| 10/28/2009 | CN101568728A Piezoelectric micro-blower |
| 10/22/2009 | WO2009128394A1 Non-return valve structure, diaphragm pump, and blood pressure meter |
| 10/21/2009 | CN101560972A Fluid conveyer with runner plate |
| 10/21/2009 | CN101559253A Balloon dilatation pressure pump for interventional therapy |
| 10/14/2009 | CN201326534Y Multi-stage diaphragm pump |
| 10/14/2009 | CN101558241A An open/close mechanism of passive mechanical interface and a finger-type peristaltic infusion pump |
| 10/07/2009 | EP2107246A2 Fluid transportation device having multiple double-chamber actuating structures |
| 10/07/2009 | CN201321964Y Miniature water and air pump |
| 10/07/2009 | CN101550929A Multi-flow passage dual-cavity fluid transporting device |
| 10/07/2009 | CN101550927A Multi-flow passage fluid transporting device with a plurality of dual-cavity actuating structures |
| 10/07/2009 | CN101550925A Fluid transporting device with a plurality of dual-cavity actuating structures |
| 10/07/2009 | CN101550924A Asymmetrical dual-cavity fluid transporting device |
| 10/07/2009 | CN100547241C Aerating device |
| 10/06/2009 | US7597546 Hose pump |
| 10/06/2009 | CA2410271C Body pulsating method and apparatus |
| 09/30/2009 | EP2105152A1 Membrane pump with ventilation valve |
| 09/30/2009 | EP2105151A1 Membrane pump with ventilation valve |
| 09/30/2009 | CN101545478A Electromagnetic pump |
| 09/23/2009 | CN201314289Y Three-drum micro vacuum pump |
| 09/23/2009 | CN101542122A Piezoelectric micro-blower |
| 09/22/2009 | US7591639 Peristaltic pump |
| 09/17/2009 | WO2009112866A1 Pump |
| 09/17/2009 | CA2718390A1 Pump |
| 09/09/2009 | EP2098729A1 Peristaltic pump |
| 09/09/2009 | CN101526082A Energy-saving and noise-reducing vacuum pump |
| 09/03/2009 | US20090219686 Gas ejector, electronic device, and gas-ejecting method |
| 09/02/2009 | EP2096309A1 Piezoelectric micro-blower |
| 09/02/2009 | CN101520040A Manufacturing method of multi-flow passage fluid conveying device |
| 09/02/2009 | CN101520039A Multi-flow passage fluid conveying device |
| 09/02/2009 | CN101520038A Micro-droplet fluid conveying device |
| 09/02/2009 | CN101520035A 流体输送装置 A fluid delivery device |
| 09/02/2009 | CN101520034A Integrated normal-closed PDMS micro-valve, preparation process thereof and micro-pump containing micro-valve |
| 08/27/2009 | WO2009103217A1 A multi-stage diaphragm pump |
| 08/27/2009 | US20090214365 Method and system for loading of tubing into a pumping device |
| 08/25/2009 | US7578662 Peristaltic pump having pumping and occluding rollers and alternating pumping systems utilizing thereof |
| 08/19/2009 | EP2090781A1 Piezoelectric micro-blower |
| 08/19/2009 | CN201292934Y Double air drum mini pump |
| 08/19/2009 | CN201292933Y Mini pump |
| 08/19/2009 | CN201292932Y Pneumatic micropump and microflow valve control device thereof |
| 08/13/2009 | US20090202361 Control system for an air operated diaphragm pump |
| 08/13/2009 | DE102008006832A1 Elektromagnetischer Membran-Mikroaktor Electromagnetic membrane microactuator |
| 08/06/2009 | WO2009095771A1 An apparatus for recovery of kinetic energy from moving wheeled vehicles |