| Patents for F04B 41 - Pumping installations or systems specially adapted for elastic fluids (2,502) |
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| 07/10/2007 | US7240692 System for producing and distributing compressed air |
| 07/05/2007 | US20070154335 Air Compressor Unit Inlet Control Method |
| 06/27/2007 | CN2916186Y Compressor |
| 06/27/2007 | CN2916184Y High-purity compression gas generation system |
| 06/26/2007 | CA2236535C Hydraulic system having boost pump in series with a primary pump, and a boost pump drive therefor |
| 06/20/2007 | CN1985091A Gas distribution device |
| 06/20/2007 | CN1982709A 往复式压缩机 Reciprocating Compressors |
| 06/14/2007 | WO2007067344A2 System and method for operation of a pump |
| 06/14/2007 | US20070131184 Single-ended barrel engine with double-ended, double roller pistons |
| 06/14/2007 | DE102005049805B4 Entleervorrichtung Emptying |
| 06/12/2007 | US7229258 Streamlined unobstructed one-pass axial-flow pump |
| 06/07/2007 | WO2007063852A1 Sealing/pump-up device |
| 06/07/2007 | US20070128047 System and method for monitoring operation of a pump |
| 06/07/2007 | US20070128046 System and method for control of fluid pressure |
| 06/06/2007 | DE202007005021U1 Pumpstand Pumping |
| 06/06/2007 | CN2908853Y Hydraulic drive structure of producing compressed gas |
| 06/06/2007 | CN1975162A Air compressor and control method |
| 06/05/2007 | US7225959 Portable, battery-powered air compressor for a pneumatic tool system |
| 05/30/2007 | CN1971047A Dual-displacement reciprocating type compressor and refrigerator mounted thereon |
| 05/29/2007 | US7222491 Air conditioner and method for performing oil equalizing operation in the air conditioner |
| 05/24/2007 | US20070116588 Piston compressor for compressing gaseous media in at least two working chambers |
| 05/24/2007 | US20070116577 Fan system and seriate starting module and delayed starting unit thereof |
| 05/16/2007 | EP1784572A1 System and method for delivering cryogenic fluid |
| 05/16/2007 | CN1965167A 压缩机入口压力控制系统 Compressor inlet pressure control system |
| 05/09/2007 | CN1960850A Sealing pump-up device |
| 05/09/2007 | CN1959112A Method for controlling oil return in dual compressors with equal capacities |
| 05/09/2007 | CN1959108A Vacuum suction device |
| 05/02/2007 | EP1778530A1 Rail transport train, set consisting of an engine and two compressors, particularly with a dry piston for the train |
| 04/26/2007 | WO2007045975A1 Reciprocating compressor |
| 04/26/2007 | DE112005001335T5 Kompressoreinlassdruck-Steuer- bzw.-Regelsystem Compressor inlet pressure control and control system |
| 04/24/2007 | US7207183 System and method for capacity control in a multiple compressor chiller system |
| 04/24/2007 | CA2440971C Container assembly having a cover cap provided with a pump member to pump out air from a container |
| 04/17/2007 | US7205740 Fan control device for frequency converter |
| 04/17/2007 | CA2238582C Compact interbowl assembly coupler for vertical turbine pumps |
| 04/12/2007 | DE102005045403A1 Pressure system e.g. for braking force boost and air-bag inflation safety functions in vehicle industry, has pressure generating device mounted within pressure reservoir |
| 04/11/2007 | CN1945015A Split air compressor |
| 04/05/2007 | WO2007038681A2 Fluid equilibrated absorbent polymeric materials, devices including same and packaging for same |
| 04/05/2007 | US20070077151 Control system for air-compressing apparatus |
| 04/04/2007 | EP1770279A2 Air Compressor |
| 04/04/2007 | CN2886132Y Separated compressor |
| 03/29/2007 | WO2005111425A3 Fixed and variable compressor system capacity control |
| 03/28/2007 | CN2883726Y Oil-less air compression and drying purifier |
| 03/21/2007 | EP1763637A1 Arrangement and method for a compressed air system |
| 03/15/2007 | WO2007029058A1 Combined machine with friction couplings |
| 03/15/2007 | WO2007010170A3 Fast energy-saving chamber pumping |
| 03/15/2007 | WO2007010170A2 Fast energy-saving chamber pumping |
| 03/14/2007 | EP1762138A1 Electronic porportioner using continuous metering and correction |
| 03/14/2007 | CN2878721Y Direct-coupled air compressor |
| 03/07/2007 | CN1303324C Locomotive air compresser with motor supported by external bearing |
| 02/21/2007 | CN1916410A Multi-stage oil-less gas compressor |
| 02/15/2007 | WO2007018870A1 Compressor for high pressure polymerization |
| 02/15/2007 | DE102005038268A1 Kolbenloser Verdichter Clear piston compressor |
| 02/15/2007 | CA2618100A1 Compressor for high pressure polymerization |
| 02/14/2007 | CN1300450C 负压泵 Vacuum pump |
| 02/13/2007 | US7174731 Rotational speed control system, rotatingly driving system, air blow system, clean bench, outdoor unit of air conditioner |
| 02/07/2007 | EP1749645A1 Sealing pump-up device |
| 02/07/2007 | CN2866899Y Air compressor equipment |
| 02/06/2007 | US7171983 Multi-reservoir pressure control system |
| 02/01/2007 | US20070025869 Fluid Delivery Device |
| 01/25/2007 | WO2007011923A2 Fluid delivery device |
| 01/25/2007 | US20070020131 Set of piston pumps, especially fuel pumps for direct fuel injection internal combustion engines |
| 01/24/2007 | EP1746287A1 Pumping system for rapid evacuation of a containment and having a low energy consumption |
| 01/24/2007 | CN2861544Y Three row of five-step non-lubricated oxygen air compressor |
| 01/24/2007 | CN1296622C 空气压缩机 Air compressor |
| 01/23/2007 | US7165419 Apparatus for converting refrigerant pipe of air conditioner |
| 01/18/2007 | WO2005121556A3 Compressor with pressure actuated valve |
| 01/16/2007 | US7163382 Suitcase style air compressor assembly |
| 01/16/2007 | US7163379 Gradient liquid feed pump system, and liquid chromatograph |
| 01/10/2007 | EP1740834A1 Gas distribution device |
| 01/10/2007 | EP1740828A2 High pressure slurry piston pump |
| 01/10/2007 | EP1740806A1 Method and device for transporting a liquid |
| 01/04/2007 | DE102006028525A1 System von in Serie angeordneten Luftverdichtern System of arranged in series air compressors |
| 01/03/2007 | EP1511575A4 Adjustable flow texture sprayer with peristaltic pump |
| 01/03/2007 | CN1888728A 空调器 Air Conditioner |
| 01/03/2007 | CN1293347C Air conditioner |
| 12/28/2006 | WO2006136920A2 New fluorinated compounds, their synthesis and use |
| 12/27/2006 | EP1153238B1 Bottom entry pumping system with tertiary containment |
| 12/26/2006 | US7153106 Air compressor unit inlet control |
| 12/21/2006 | WO2006102372A3 Multiple compressor control system |
| 12/14/2006 | WO2005117567A3 Suitcase style air compressor assembly |
| 12/13/2006 | CA2516850A1 Air compressor tool kit and stand |
| 12/07/2006 | WO2005067518A3 High pressure slurry piston pump |
| 12/07/2006 | US20060275164 High pressure pump |
| 12/07/2006 | US20060272338 Vacuum device |
| 12/07/2006 | DE10297064B4 Mehrstufiger Verdichter zur Komprimierung von Gasen Multistage compressor for compressing gases |
| 12/06/2006 | CN2844493Y Piston compressor device |
| 12/06/2006 | CN1873226A Hydraulic gear of producing compressed gas in bothway |
| 11/29/2006 | EP1392976B1 System for supply of a pressurised gas and method for verifying that a compressor is active in a system for supply of a pressurised gas |
| 11/29/2006 | CN2842006Y Portable air pump |
| 11/21/2006 | US7137265 Apparatus and method for controlling oil of air conditioner |
| 11/16/2006 | US20060257265 Method for controlling a compressed air installation comprising several compressors, control box applied thereby and compressed air installation applying this method |
| 11/16/2006 | US20060257263 Micro fluidic device and joint therefor |
| 11/14/2006 | US7135826 Fan control system |
| 11/01/2006 | CN2833168Y Assembled air compressor |
| 10/25/2006 | CN2830704Y Water-less lub s-stage oxygen compressor |
| 10/25/2006 | CN1851264A Air compressor using variable frequency speed-pressure regulation |
| 10/12/2006 | WO2006106891A1 Pressure accumulating apparatus |
| 10/12/2006 | US20060228221 Apparatus for controlling operation of compressors |
| 10/11/2006 | CN1279412C Method of managing time, at which maintenance in system of a plurality of gas compressors should be carried out |
| 10/10/2006 | US7118349 High pressure slurry piston pump |