| Patents for F04B 41 - Pumping installations or systems specially adapted for elastic fluids (2,502) |
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| 03/14/2012 | CN102374157A Wind power high-pressure air source device for renewable energy industry |
| 03/14/2012 | CN102374153A Screw-type and piston-type combined double-stage compressor set and intermediate container |
| 03/06/2012 | US8128382 Compact dual rocking piston pump with reduced number of parts |
| 03/01/2012 | WO2011057606A3 Compressor for producing compressed air |
| 02/23/2012 | WO2012021928A1 Multistage compressors for pet bottle blowing processes |
| 02/23/2012 | WO2011121322A3 Vacuum pumping system |
| 02/22/2012 | CN101776062B 可移动式洁净压缩气体制备装置 Removable clean compressed gas preparation device |
| 02/21/2012 | US8118563 Tandem compressor system and method |
| 02/15/2012 | CN202144777U 制冷无叶风扇 Cooling Bladeless Fan |
| 02/09/2012 | WO2012017939A1 Air compression device for railway vehicle |
| 02/09/2012 | DE102010033838A1 Roll piston pump has piston front surface that executes power transmission of gaseous or liquid medium, where piston front surface with multiple wheels is centered into cylinder and moves forwards and backwards in parallel manner |
| 02/08/2012 | EP2416097A2 Control method for a multiple refrigeration system |
| 02/08/2012 | CN101142406B 固定和可变压缩机系统的控制系统、控制方法以及控制器 Fixed and variable compressor system control system, a control method and a controller |
| 02/02/2012 | US20120023919 Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange |
| 02/01/2012 | EP2412981A1 Pump system |
| 02/01/2012 | CN102338064A Modification method for increasing inflating volume as well as saving energy and reducing emission for 6M50-type raw gas compressor |
| 01/31/2012 | CA2498698C Self-tightening cover for pump |
| 01/25/2012 | CN202125417U Novel compressor |
| 01/18/2012 | CN202117895U Multi-compressor system and oil equalization device thereof |
| 01/16/2012 | CA2746296A1 Compressed air device for allowing the expeditious adjustment of drive belts |
| 01/12/2012 | US20120006411 Fluid compression system |
| 01/05/2012 | US20120003111 Mechanical system for movement along a housing axis |
| 01/04/2012 | CN202100426U Novel blower fan for a drilling platform |
| 01/04/2012 | CN101776063B Large high-vacuum air pumping set |
| 12/27/2011 | US8083493 Transport device for sterile media |
| 12/21/2011 | EP2397692A1 Portable air compressor |
| 12/21/2011 | CN102287357A 风扇组件 Fan assembly |
| 12/21/2011 | CN102287356A 风扇组件 Fan assembly |
| 12/21/2011 | CN102287355A 气体压缩系统及方法 Gas compression system and method |
| 12/20/2011 | US8079824 Air compressing assembly |
| 12/15/2011 | US20110305585 Lubricant system |
| 12/14/2011 | CN102278204A 固体燃料粉末燃烧、作功的方法及装置 Solid fuel burning powder, method and apparatus for power |
| 12/08/2011 | WO2011151863A1 Gas consumption system, fuel cell system and vehicle |
| 12/08/2011 | US20110297260 Fuel system including dual fuel delivery modules for bifurcated fuel tanks |
| 12/07/2011 | EP2392823A2 Compressible Fluid Discharge Muffler |
| 12/07/2011 | CN202065158U 空压机 Compressor |
| 11/30/2011 | EP2390505A1 Air compressor |
| 11/23/2011 | CN202047961U Vacuum pumping treatment device |
| 11/22/2011 | US8062001 Method for controlling pump transitions in a multi-mode hybrid transmission |
| 11/16/2011 | EP2296962B1 Device and method for preparing liquefied natural gas (lng) fuel |
| 11/15/2011 | US8057193 Screw compressor comprising a relief valve |
| 11/10/2011 | DE102010016767A1 Kompressoreinheit Compressor unit |
| 11/09/2011 | EP2385256A1 Portable air compressor |
| 11/09/2011 | CN101852199B Composite vacuum pump |
| 11/07/2011 | CA2739343A1 Portable air compressor |
| 10/27/2011 | US20110259450 Transmission for a work machine with attached hydraulic fluid pump |
| 10/19/2011 | CN102220955A Portable compressor and wheelbarrow compressor |
| 10/13/2011 | WO2011124079A1 Automatic inflation pump |
| 10/13/2011 | US20110251728 System and method for subsea production system control |
| 10/11/2011 | CA2666541C An energy efficient injection molding plant |
| 10/05/2011 | CN202001274U Large blower device |
| 10/05/2011 | CN101886978B Vacuum high/low temperature environmental simulation electromechanical transmission mechanism comprehensive performance experimental system |
| 09/28/2011 | EP1784572B1 System and method for delivering cryogenic fluid |
| 09/28/2011 | CN102200119A Novel compressor |
| 09/28/2011 | CN102200118A Combination pump of mechanical turbine |
| 09/21/2011 | CN201982956U 空压机储气桶改良结构 Air compressor storage barrels improved structure |
| 09/21/2011 | CN102192133A Compressor |
| 09/20/2011 | US8021122 Inflation control apparatus for an inflatable object with two chambers |
| 09/20/2011 | CA2564544C Mobile wear and tear resistant gas compressor |
| 09/14/2011 | CN201972880U 一种减压蒸馏真空泵机组 One kind of vacuum distillation vacuum unit |
| 09/13/2011 | US8016570 Gas compressor with drier and radio emission controls |
| 09/07/2011 | CN201963526U 一种提高供气效果的空压机系统 A way to improve the effect of gas compressor systems |
| 09/07/2011 | CN102177342A Air compressor |
| 09/06/2011 | US8011896 Fan system |
| 09/01/2011 | WO2011106254A1 Method and system for optimizing operation of a pump |
| 08/31/2011 | EP2252794B1 Method and device for supplying a compressor in an internal combustion engine with compressed air |
| 08/31/2011 | CN201953619U 铝卷材退火负压除烟系统 Aluminum coil annealing vacuum smoke removal system |
| 08/31/2011 | CN201953604U 一种水循环真空泵机组 One kind of water circulation pump unit |
| 08/24/2011 | CN201943669U 一种油井套管气回收装置 One kind of well casing gas recovery |
| 08/17/2011 | CN201934290U 压缩机单元及其空调装置或冷冻装置 A compressor unit and air conditioning apparatus or refrigeration apparatus |
| 08/17/2011 | CN102155388A Method and device for increasing sucking capability and distance of suction opening |
| 08/10/2011 | EP2354546A1 Membrane vacuum pump |
| 08/10/2011 | CN201925132U St双级真空泵 St dual stage vacuum pump |
| 08/03/2011 | CN102141030A Liquid storage tank structure of compressor |
| 07/26/2011 | US7984671 Self-tightening cover for pump |
| 07/21/2011 | US20110175362 Dynamic fluid energy conversion |
| 07/20/2011 | CN101310110B Installation for high pressure compression with several stages |
| 06/30/2011 | US20110158825 System and method for modifying an automobile engine for use as a gas compressor |
| 06/29/2011 | EP2337956A1 Air compressor |
| 06/22/2011 | CN201874786U Parallel compressor set and air conditioner with same |
| 06/22/2011 | CN102102665A Separate crank shaft of gas compressor |
| 06/22/2011 | CN102102654A 7M50 series nitrogen-hydrogen compressor |
| 06/16/2011 | US20110142701 Pump with a Sculptured Fluid End Housing |
| 06/07/2011 | US7955056 Method for controlling a compressed air installation comprising several compressors, control box applied thereby and compressed air installation applying this method |
| 06/01/2011 | CN201851379U Energy-saving and environment-friendly air compressor |
| 06/01/2011 | CN101403377B Inflating apparatus |
| 05/31/2011 | US7953533 Vehicle control apparatus |
| 05/18/2011 | CN101213370B Fast energy-saving chamber pumping |
| 05/12/2011 | WO2011054085A1 High efficiency fluid pumping apparatus and method |
| 05/12/2011 | CA2788984A1 High efficiency fluid pumping apparatus and method |
| 05/11/2011 | EP2320085A2 Portable air compressor |
| 05/11/2011 | CN102052286A Portable air compressor |
| 05/11/2011 | CN102052285A Pressurization compressor |
| 05/10/2011 | CA2720156A1 Compressor assembly |
| 05/04/2011 | CN201818476U Double-volute-chamber long-neck fan |
| 05/04/2011 | CN102046971A Method and device for conveying compressed gas |
| 04/27/2011 | CN102032152A Steady operation device of air compressor |
| 04/21/2011 | DE102009049988A1 Verdichteranlage Compressor system |
| 04/20/2011 | CN201802594U Air compressor |
| 04/13/2011 | EP2227636B1 Multi-level membrane suction pump |