| Patents for F04B 45 - Pumps or pumping installations having flexible working members and specially adapted for elastic fluids (2,191) |
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| 04/11/2012 | EP2439410A1 A head for a diaphragm pump |
| 04/11/2012 | CN102410183A 对偶动磁式薄腔微行程增压泵 Dual moving magnet micro-thin stroke booster chamber |
| 04/10/2012 | US8152476 Positive displacement pump with a working fluid and linear motor control |
| 04/05/2012 | WO2012040775A1 Undulatory structures |
| 04/05/2012 | US20120082574 Electromagnetic Pump with Frequency Converter Circuit |
| 04/05/2012 | CA2813000A1 Undulatory structures |
| 04/03/2012 | US8147223 Tube pump and liquid ejection apparatus |
| 03/29/2012 | US20120076677 Drive System for a Pressure Wave Generator |
| 03/28/2012 | CN202176494U 隔膜气体采样泵 Diaphragm gas pump |
| 03/27/2012 | US8141792 Pressure controller, valve having pressure controller, and fuel cell equipped with valve having pressure controller |
| 03/21/2012 | EP2430312A2 Polymer-metallic reagent head |
| 03/21/2012 | EP2429621A2 Ventilator |
| 03/21/2012 | CN101581291B Fluid conveying device |
| 03/21/2012 | CN101219024B Air bed mattress |
| 03/20/2012 | US8137083 Infusion pump actuators, system and method for controlling medical fluid flowrate |
| 03/15/2012 | US20120065457 Fluid pressure generating means |
| 03/13/2012 | US8133042 Chemical liquid supplying apparatus and pump assembly |
| 03/06/2012 | US8128384 Tube loading assembly for peristaltic pump |
| 03/06/2012 | US8127660 Combination of a chamber and a piston, a pump, a motor, a shock absorber and transducer incorporating the combination |
| 03/01/2012 | US20120048407 Devices and systems for medical fluid treatment |
| 02/28/2012 | US8123502 Acoustic pump utilizing radial pressure oscillations |
| 02/28/2012 | US8123500 Diaphragm pump |
| 02/22/2012 | CN101636585B 隔膜真空泵单元 Diaphragm vacuum pump unit |
| 02/15/2012 | EP2418385A1 Diaphragm pump |
| 02/09/2012 | WO2011094422A4 An injection shut off valve with pressure actuator for delivery of compositions |
| 02/09/2012 | US20120034116 Compressor |
| 02/09/2012 | US20120031448 Outdoor equipment |
| 02/09/2012 | US20120030933 System and method for pumping fluid using a pump cassette |
| 02/06/2012 | CA2714690A1 Improved compressor |
| 02/01/2012 | CN102338072A Piezoelectric ceramic drive type ultra-miniature air pump |
| 02/01/2012 | CN102338071A Improved structure applied to spray-painted air compressor |
| 01/31/2012 | US8105057 Fluid transportation device having multiple double-chamber actuating structures |
| 01/31/2012 | US8105056 Aerating bag |
| 01/25/2012 | EP2409035A1 Metering pump assembly |
| 01/19/2012 | WO2011142528A3 Diaphragm valve |
| 01/19/2012 | US20120014824 Pump device and methods for making the same |
| 01/17/2012 | US8096786 Three dimensional micro-fluidic pumps and valves |
| 01/17/2012 | US8096785 Hydraulically driven multicylinder pumping machine |
| 01/11/2012 | CN102312814A Pedal-powered aerator |
| 01/04/2012 | EP2402607A2 Long life seal and alignment system for small cryocoolers |
| 01/04/2012 | CN202100428U Inflation device special for inflation toy |
| 12/29/2011 | WO2011012696A3 Device and method to deliver fluid products and relative method |
| 12/29/2011 | US20110318207 Bellows pump |
| 12/29/2011 | US20110318206 Chemical Liquid Supplying Apparatus |
| 12/28/2011 | CN1922401B 压电泵驱动电路和使用该驱动电路的冷却系统 The piezoelectric pump drive circuit and the driver circuit using a cooling system |
| 12/22/2011 | US20110311379 Pump diaphragm |
| 12/21/2011 | CN102292549A 隔膜泵及血压计 Diaphragm and sphygmomanometer |
| 12/20/2011 | US8081454 Gas ejector, electronic device, and gas-ejecting method |
| 12/08/2011 | WO2011094422A3 An injection shut off valve with pressure actuator for delivery of compositions |
| 12/08/2011 | WO2011094410A3 Wound treatment apparatuses and methods for controlled delivery of fluids to a wound |
| 12/01/2011 | US20110293452 Micro-ejector and method for manufacturing the same |
| 11/30/2011 | CN102261326A 具有一体成型气囊与进排气气瓣的打气泵 With a one-piece intake and exhaust air balloon and a pump valve |
| 11/24/2011 | WO2011145544A1 Fluid pump |
| 11/24/2011 | WO2011012692A3 Device and method to deliver fluid products |
| 11/23/2011 | EP1418959B1 A fluid pressure generating means |
| 11/23/2011 | CN102257274A Motor-pump assembly |
| 11/23/2011 | CN102257273A Motor-pump assembly |
| 11/22/2011 | US8062009 Device for fixing a tube for peristaltic cassette |
| 11/22/2011 | US8062008 Peristaltic pump and removable cassette therefor |
| 11/17/2011 | WO2011142528A2 Diaphragm valve |
| 11/16/2011 | EP1299648B1 Body pulsating apparatus |
| 11/16/2011 | CN101837719B Heating device of electric automobile and method for recycling fuel steam by fuel heater |
| 11/16/2011 | CN101520039B Multi-flow passage fluid conveying device |
| 11/08/2011 | US8052403 Peristaltic pump |
| 11/03/2011 | WO2011137145A1 Internal bellows pump fluid path |
| 11/03/2011 | WO2011071960A3 Helical peristaltic pump and motor apparatus and system of use |
| 11/02/2011 | CN202024407U Air lift pump circulation hot-water kang |
| 11/02/2011 | CN102230457A Drive circuit for piezoelectric pump and cooling system that uses this drive circuit |
| 11/01/2011 | US8047814 Chemical liquid supplying apparatus |
| 10/26/2011 | EP2379888A1 Motor-pump assembly |
| 10/26/2011 | EP2379887A1 Motor-pump assembly |
| 10/25/2011 | CA2601225C Methods and apparatus for pumping and dispensing |
| 10/19/2011 | EP2176551B1 Vacuum pump and use of a vacuum pump |
| 10/19/2011 | CN202012470U Air pump |
| 10/18/2011 | CA2574889C Pump comprising a moving wall and use of a pump of this type |
| 10/12/2011 | CN202007768U Diaphragm breakage alarm device for diaphragm compressor |
| 10/12/2011 | CN202007764U Diaphragm compressor with detecting instrument box |
| 10/12/2011 | CN202007763U Self-heat dissipation diaphragm compressor |
| 10/12/2011 | CN202007762U Dual-air-bag air pump for ozone generator |
| 10/12/2011 | CN202007759U Split cylinder body of diaphragm compressor |
| 10/12/2011 | CN102213211A Gas-sampling diaphragm pump |
| 10/11/2011 | US8033324 Jet flow generating apparatus, electronic apparatus, and jet flow generating method |
| 10/06/2011 | US20110240153 Low fuel permeation primer bulb |
| 10/05/2011 | EP2372157A1 Diaphragm pump for a seat adjusting device and seat adjusting device |
| 10/05/2011 | CN202001267U Air pump of ink jet printer |
| 10/05/2011 | CN202001258U Damping diaphragm compressor base |
| 10/05/2011 | CN101520040B Manufacturing method of multi-flow passage fluid conveying device |
| 09/21/2011 | CN201982280U 便携式双气囊气泵 Portable dual airbags pump |
| 09/21/2011 | CN201982279U 一种抽液体和抽气兼容的机构 A liquid pumping and pumping mechanism compatible |
| 09/21/2011 | CN102192136A Piezoelectric fan and cooling device |
| 09/14/2011 | EP2365220A1 Linear pump |
| 09/14/2011 | CN201972902U 手动充气泵 Hand pump |
| 09/14/2011 | CN102182669A Special inflating device for inflatable toys |
| 09/14/2011 | CN101356371B Membrane pump |
| 09/09/2011 | WO2011038807A8 Multi-stage diaphragm suction pump |
| 09/07/2011 | DE202010002145U1 Membranvakuumpumpe Diaphragm vacuum pump |
| 09/07/2011 | CN201963530U 一种无摩擦损失的气体压缩装置 A non-frictional losses of gas compression means |
| 08/30/2011 | US8007257 Reduced pressure delivery system having a manually-activated pump for providing treatment to low-severity wounds |
| 08/30/2011 | US8006325 Pumped shower drain system |
| 08/24/2011 | CN102165193A Piezoelectric pump |