| Patents for F04B 45 - Pumps or pumping installations having flexible working members and specially adapted for elastic fluids (2,191) |
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| 08/06/2009 | DE10227192B4 Verbundmembran für Membranpumpen Composite membrane for membrane pumps |
| 08/05/2009 | CN201284733Y Novel diaphragm type compression device used for high-purity gas |
| 08/05/2009 | CN101498299A Combination of a chamber and a piston, a pump, a motor, a shock absorber and a transducer incorporating the combination |
| 08/05/2009 | CN100523503C Diaphragm pump |
| 07/29/2009 | EP1996249A4 Surgical cassette with bubble breaking structure |
| 07/29/2009 | CN100520065C Chamber and piston combination and pump, shock absorber and transducer incorporating the combination |
| 07/28/2009 | US7566209 Peristaltic pump with field generator |
| 07/28/2009 | US7566205 Reciprocating pump and check valve |
| 07/23/2009 | US20090185920 System and Method for Pumping Fluid Using a Pump Cassette |
| 07/22/2009 | CN100516532C Vacuum pump |
| 07/21/2009 | US7564164 Drive circuit for piezoelectric pump and cooling system that uses this drive circuit |
| 07/16/2009 | WO2009087714A1 Diaphragm air pump |
| 07/08/2009 | EP1791579B1 Membrane pump with bleed valve |
| 07/07/2009 | US7556481 Rotary axial peristaltic pumps and related methods |
| 07/02/2009 | WO2009016603A3 Reduced pressure wound treatment apparatus |
| 07/02/2009 | US20090169402 Membrane Pump |
| 06/30/2009 | US7553135 Diaphragm air pump |
| 06/25/2009 | US20090162214 Portable pumping apparatus for concurrently pumping liquid from a source container to a destination container and pumping vapor from the destination container to the source container |
| 06/23/2009 | US7550034 Gas flow generator |
| 06/18/2009 | WO2009075581A1 Flexible chamber |
| 06/17/2009 | EP2071190A1 Booster pump and feeder for low-temperature-fluid comprising the same |
| 06/16/2009 | US7547199 Fluid pumping system and related methods |
| 06/11/2009 | WO2009000895A3 Fluid circulation pump with integrated short circuit |
| 06/10/2009 | CN101454571A Rotary axial peristaltic pumps and related methods |
| 06/04/2009 | WO2009068180A1 Multi-level membrane suction pump |
| 06/04/2009 | US20090142205 Chemical liquid supplying apparatus and pump assembly |
| 06/04/2009 | DE102007057945A1 Mehrstufige Membran-Saugpumpe Multi-stage membrane suction |
| 05/28/2009 | US20090136370 Fluid Dispenser Comprising a Bellows |
| 05/28/2009 | DE202009003269U1 Kompressor zur Erzeugung von Druckluft Compressor for producing compressed air |
| 05/27/2009 | CN201246573Y Anti-freezing device |
| 05/27/2009 | CN100491726C Diaphragm pump |
| 05/20/2009 | CN201241813Y Gas charging and discharging apparatus of air bag |
| 05/20/2009 | CN201241812Y Changing-over valve of pneumatic diaphragm pump for with |
| 05/13/2009 | EP2057376A1 Diaphragm pump with two diaphragm heads and two separate pump housings |
| 05/07/2009 | US20090115199 Door Locking Mechanism |
| 05/06/2009 | CN201232621Y Low noise inflation pump |
| 05/05/2009 | US7527595 Pump provided with exhaust valve device and hemodynamometer incorporating the same |
| 04/30/2009 | WO2009052842A1 Membrane pump |
| 04/30/2009 | WO2008059494A3 Magnetically balanced finger-type peristaltic pump |
| 04/30/2009 | WO2007050533A3 Piezoelectric fan |
| 04/30/2009 | US20090110576 System of bellows and co-acting part |
| 04/29/2009 | CN101418786A Tetra-piston type air pump |
| 04/29/2009 | CN100482944C Electromagnetic vibrating type diaphragm pump |
| 04/23/2009 | WO2009050990A1 Piezoelectric micro-blower |
| 04/23/2009 | WO2008059498A3 A keying mechanism for a finger-type peristaltic infusion pump which is interconnected with one of a plurality of passive mechanical interfaces |
| 04/22/2009 | CN201225269Y Rubber diaphragm for diaphragm pump |
| 04/22/2009 | CN201225260Y Structure of inflating apparatus |
| 04/22/2009 | CN101412457A Vacuum fresh-keeping outer housing |
| 04/16/2009 | WO2008059493A3 An open/close mechanism of passive mechanical interface and a finger-type peristaltic infusion pump |
| 04/16/2009 | WO2008059492A3 A finger-type peristaltic pump comprising a ribbed anvil |
| 04/15/2009 | CN101408168A Double-operation diaphragm compressor |
| 04/09/2009 | WO2009004519A3 Pump for a multi -partitioned, inflatable device and dynamic-action, bedsore -preventing support made with the device |
| 04/08/2009 | CN100477898C Jet flow generating apparatus, electronic apparatus and jet flow generating method |
| 04/07/2009 | US7513757 Peristaltic pump head and tube holder |
| 04/02/2009 | WO2009042192A1 Persitaltic pump assembly |
| 04/02/2009 | US20090087325 Peristaltic pump assembly and regulator therefor |
| 04/02/2009 | US20090087323 Pump |
| 04/02/2009 | CA2708389A1 Peristaltic pump assembly |
| 04/01/2009 | CN201215077Y Low noise micropump |
| 04/01/2009 | CN101397988A Continuous flow micro-pump |
| 03/25/2009 | CN201212465Y Inflation pump |
| 03/18/2009 | EP2037124A1 Piezoelectric pump |
| 03/18/2009 | CN201209530Y Integrated sucker blowing ball |
| 03/18/2009 | CN101387287A Handheld vacuum suction device |
| 03/12/2009 | WO2009031543A1 Electromagnetic pump and water treatment device |
| 03/11/2009 | EP1427939B1 A compact vacuum pump |
| 03/11/2009 | CN101384459A Motor/pump assembly |
| 03/11/2009 | CN101382130A Air pump |
| 03/04/2009 | CN101377194A Structure improvement of electromagnetic pump |
| 02/25/2009 | CN101372959A Improved minitype pneumatic pump |
| 02/25/2009 | CN101372958A Diaphragm pump |
| 02/25/2009 | CN101372957A Anti-locked air pump |
| 02/19/2009 | US20090047150 Anti-jammed air pump |
| 02/18/2009 | EP1299648A4 Body pulsating method and apparatus |
| 02/17/2009 | US7491039 Compressor |
| 02/11/2009 | CN100460685C Leakage detection system and method used for delivering leakage detector by a vacuum pump |
| 02/05/2009 | WO2009015896A1 Vacuum pump and use of a vacuum pump |
| 02/05/2009 | WO2009015528A1 A membrane pump |
| 02/04/2009 | CN100458156C Electromagnetic vibrating pump |
| 02/03/2009 | US7484942 Priming pump for a circuit subjecting said pump to an outlet pressure greater than an inlet pressure |
| 01/28/2009 | CN101356371A Membrane pump |
| 01/28/2009 | CN101354032A Combination of chamber and piston pump, motor, shock absorber and transducer incorporating the combination |
| 01/28/2009 | CN101354028A Multi-film cavity septum compressor driven by single piston |
| 01/21/2009 | EP2016286A2 Method and apparatus for controlling fluid flow |
| 01/21/2009 | CN201184289Y Diaphragm pump |
| 01/21/2009 | CN101349263A Small pump |
| 01/21/2009 | CN101349262A Small pump |
| 01/21/2009 | CN100453808C Small pump |
| 01/08/2009 | WO2007025268A3 Rotary axial peristaltic pumps and related methods |
| 01/07/2009 | CN201176920Y Self-help type lubricated high-pressure plunger pump |
| 12/31/2008 | WO2009000895A2 Fluid circulation pump with integrated short circuit |
| 12/31/2008 | CN101336117A Suctioning system, method and kit |
| 12/30/2008 | CA2350076C Electrostatically actuated pumping array |
| 12/24/2008 | EP2006543A1 Fluid circulation device |
| 12/24/2008 | CN201169431Y Dynamoelectric wine bottle vacuum machine |
| 12/23/2008 | US7467932 Peristaltic pump comprising members for locating a tube |
| 12/23/2008 | CA2466844C Diaphragm pump system |
| 12/17/2008 | CN201165968Y Energy-saving noise reduction vacuum pump |
| 12/17/2008 | CN201165963Y Minitype vibration diaphragm air pump |
| 12/10/2008 | CN201162657Y Diaphragm pump |