| Patents for F04B 41 - Pumping installations or systems specially adapted for elastic fluids (2,502) |
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| 05/08/2013 | CN202926562U 风扇组件 Fan assembly |
| 05/08/2013 | CN103089592A Multi-station vacuum air exhaust device for infrared detector |
| 05/08/2013 | CN103089591A Vacuumizing device used for keycap drawing force test |
| 05/08/2013 | CN103089590A Modified high-pressure vacuum pump |
| 05/08/2013 | CN101761472B Method and device for detecting fault and efficiency of an air compressor |
| 05/08/2013 | CN101158342B Air compressor |
| 05/07/2013 | US8435009 Sump pump with emergency backup system |
| 05/02/2013 | WO2013060255A1 Refurbishment method for increasing compression volume and reducing energy use and emissions of model 6m50 feed gas compressor |
| 05/01/2013 | CN202914280U High rotating speed natural gas mother station compressor |
| 05/01/2013 | CN202911714U Inflating pump |
| 05/01/2013 | CN103075327A Screw piston composite middle-high pressure air compressor |
| 04/25/2013 | WO2013058952A2 Sub-frame integration of motor-compressor systems |
| 04/25/2013 | US20130101453 Compact Manual Pump Having Selectable Low Pressure and High Pressure Pumping Modes |
| 04/24/2013 | CN202900594U Anti-bedsore air pump for air cushion |
| 04/24/2013 | CN202900593U 空气压缩机 Air compressor |
| 04/24/2013 | CN202900592U Air-compressing system |
| 04/24/2013 | CN202900591U Fan component |
| 04/24/2013 | CN103069168A Air compression device for railway vehicle |
| 04/24/2013 | CN103057090A Energy-saving and high-efficient vacuum system |
| 04/17/2013 | CN202883325U Foldable fan |
| 04/17/2013 | CN103047104A Inflating and storage pressure tank |
| 04/11/2013 | US20130089445 Variable-Displacement Compressor |
| 04/10/2013 | CN202867140U Module wrapping air compression station system |
| 04/10/2013 | CN103032291A System for collecting and utilizing compressed-air type wave energy of ship swaying lever |
| 04/03/2013 | CN202851312U Cigarette factory air compressor linkage system |
| 04/03/2013 | CN202851311U Vacuum system |
| 04/03/2013 | CN103016314A Bladeless fan |
| 04/03/2013 | CN103016313A Combined type multilevel multi-cylinder air compressor |
| 03/28/2013 | WO2013042318A1 Air compressor |
| 03/27/2013 | CN202833053U Blade-free fan with hollow impeller |
| 03/27/2013 | CN202833052U Blade-free fan |
| 03/27/2013 | CN202833051U Bladeless fan with inlet air through outer side wall |
| 03/27/2013 | CN202833050U Fan component |
| 03/27/2013 | CN202833049U Fan component |
| 03/27/2013 | CN202833048U Oilless air compressor |
| 03/27/2013 | CN202833047U Air compression system |
| 03/26/2013 | US8403646 Oil pump system for vehicle |
| 03/26/2013 | US8403427 Vehicle air supply system |
| 03/21/2013 | WO2013037512A1 Mobile apparatus for producing compressed air |
| 03/21/2013 | US20130071266 Motor-driven compressor |
| 03/20/2013 | EP2570670A2 Compressor Intake Muffler and Filter |
| 03/20/2013 | EP2570669A2 Method of Reducing Air Compressor Noise |
| 03/20/2013 | EP2570668A2 Compressor housing having sound control chambers |
| 03/20/2013 | EP2570667A2 Tank Dampening Device |
| 03/20/2013 | EP2570666A2 Tank Dampening Device |
| 03/20/2013 | EP2570665A2 Air Ducting Shroud for Cooling an Air Compressor Pump and Motor |
| 03/20/2013 | EP2570664A2 Air Ducting Shroud for Cooling an Air Compressor Pump and Motor |
| 03/20/2013 | CN202812811U Inflatable column illuminating lamp capable of resisting tipping damage |
| 03/20/2013 | CN202811297U Novel fan |
| 03/20/2013 | CN202811296U Air compression and supply system |
| 03/20/2013 | CN202811292U Full-air-cooling strong-convection cooling structure of W-type five-level compressor |
| 03/20/2013 | CN101725502B Vacuum pumping system design for vacuum container |
| 03/13/2013 | CN202789773U Fan and spray nozzle applied in same |
| 03/13/2013 | CN202789772U Fan |
| 03/13/2013 | CN202789771U Air fan and spray nozzle for air fan |
| 03/13/2013 | CN202789713U Impeller and fan with same |
| 03/13/2013 | CN202789711U Blade wheel and fan with same |
| 03/13/2013 | CN202789453U Fan |
| 03/13/2013 | CN202789452U Medical air compression station |
| 03/13/2013 | CN202789451U Fan |
| 03/13/2013 | CN202789450U Fan component |
| 03/13/2013 | CN202789449U Fan component |
| 03/13/2013 | CN202789448U Mobile intelligent medical air compressor |
| 03/13/2013 | CN202789447U High-efficiency high-power oil-free compressor |
| 03/13/2013 | CN202789433U High-efficiency portable oil-free air compressor |
| 03/13/2013 | CN102966518A Clean vacuum pumping system and pumping method for large space environment simulator |
| 03/13/2013 | CN102966387A Method for generating power by using stored potential energy |
| 03/12/2013 | US8393873 Air compressor with shut-off mechanism |
| 03/07/2013 | WO2013032587A1 Multiple valve head compressor apparatus |
| 03/07/2013 | CA2844600A1 Multiple valve head compressor apparatus |
| 03/06/2013 | CN202768348U Movable air compressor |
| 03/06/2013 | CN202768321U Double-shaft-extension oilless air compressor connected with six cylinders and couplers |
| 03/06/2013 | CN202768228U Ocean current energy power generation and energy storage device |
| 03/06/2013 | CN102953963A Encapsulation type compressor |
| 03/06/2013 | CN102953962A 空气压缩机 Air Compressor |
| 03/05/2013 | US8388598 Method and device for controlling several infusion pumps |
| 02/27/2013 | CN202756210U Low-dew-point rotary wheel type air compressing device |
| 02/20/2013 | CN202746155U 风扇组件 Fan assembly |
| 02/20/2013 | CN202746143U Integrated air compressor system using diesel engine as power |
| 02/20/2013 | CN102937080A Bladeless fan |
| 02/20/2013 | CN102937079A Air compression system |
| 02/19/2013 | US8376983 Method for aspirating fluid utilizing a dual cylinder vacuum pump |
| 02/13/2013 | CN202732289U Steel tube well |
| 02/13/2013 | CN202732272U Liquid ammonia throttling and cooling compressor device with first stage inlet and second stage outlet |
| 02/13/2013 | CN102926978A 风扇 Fan |
| 02/13/2013 | CN102926977A Energy-saving water pump composed of unpowered siphon pump and powered water pump |
| 02/12/2013 | US8371821 Green waste water pump station control system |
| 02/07/2013 | WO2013017669A1 Compressor device and cooling device fitted therewith and cooler unit fitted therewith |
| 02/06/2013 | EP2553267A2 Vacuum pumping system |
| 02/06/2013 | CN202718842U Two-stage air compressor unit |
| 02/06/2013 | CN202718826U 节能真空装置 Energy-saving vacuum device |
| 02/06/2013 | CN102913421A Vacuum set system of glycol steam injection pump |
| 02/06/2013 | CN102913420A Air compression system |
| 02/06/2013 | CN102913416A Mechanical full-bridge type circulating liquid gas compressing part and energy storage system |
| 02/05/2013 | US8366423 Method and arrangement for realizing a vacuum in a vacuum chamber |
| 01/31/2013 | WO2013013528A1 Motor-driven directly-connected portable reciprocating piston air compressor |
| 01/31/2013 | CA2842869A1 A fan assembly |
| 01/30/2013 | CN202707434U Two-stage air compressor unit |
| 01/30/2013 | CN202707433U Vacuum air removing system |
| 01/30/2013 | CN202707432U Combined type vacuum generator |