| Patents for F04B 25 - Multi-stage pumps specially adapted for elastic fluids (1,208) |
|---|
| 02/19/2009 | US20090047142 Vacuum pump unit |
| 02/18/2009 | CN201196141Y Novel pistol type chlorine compressor and its liquefier |
| 02/04/2009 | CN201190646Y Integral gas compressor |
| 01/27/2009 | US7481628 Diaphragm pump |
| 01/21/2009 | CN201184287Y Double-compressing cavity split type compressor |
| 01/20/2009 | CA2493895C Method and apparatus for reducing inrush current in a multi-stage compressor |
| 01/15/2009 | US20090016903 Precision Pump With Multiple Heads |
| 01/01/2009 | US20090004029 Multistage compressor unit with cooling device |
| 12/31/2008 | CN101334015A Star shaped compressing mechanism |
| 12/23/2008 | CA2488851C Multi-directional pump |
| 12/18/2008 | US20080310971 Piston pump |
| 12/03/2008 | CN100439705C Compression apparatus |
| 11/26/2008 | CN201155444Y Multistage compressor crankshaft |
| 11/26/2008 | CN201155440Y Diameter-changing double acting piston type compressor |
| 11/19/2008 | EP1991776A1 Multistage compressor |
| 11/19/2008 | CN101310110A Installation for high pressure compression with several stages |
| 11/19/2008 | CN101307754A Multistaging gas compression device |
| 11/12/2008 | EP1989446A1 Fluid compressor and motor vehicle refuelling apparatus |
| 11/12/2008 | EP1989443A1 Reciprocating-piston compressor having non-contact gap seal |
| 10/22/2008 | CN100427756C Reciprocating compressor |
| 10/15/2008 | CN101285462A Piston reciprocating compressor step compression method and system |
| 10/09/2008 | US20080245097 Two stage reciprocating compressor and refrigerator having the same |
| 10/02/2008 | US20080240937 Two stage reciprocating compressor and refrigerator having the same |
| 10/02/2008 | DE102004026567B4 Linearkompressor Linear Compressor |
| 09/09/2008 | US7422422 Compressor assembly with pressure relief valve fittings |
| 09/04/2008 | US20080213115 High-Pressure Gas Compressor And Method Of Operating A High-Pressure Gas Compressor |
| 08/28/2008 | WO2008101517A1 Multiple connection pump having noise reducing valve and bearing coupling |
| 08/28/2008 | US20080206071 Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same |
| 08/27/2008 | CN101253327A Multi-cylinder, dry-running piston compressor comprising a cooling air flow |
| 08/21/2008 | US20080199327 Apparatus and Method For Compressing a Gas |
| 08/21/2008 | US20080199326 Two-stage vapor cycle compressor |
| 08/21/2008 | US20080199325 Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same |
| 08/14/2008 | WO2008097838A1 System and method of chemical dilution and dispense |
| 08/14/2008 | US20080193301 Composite fluid machine |
| 08/13/2008 | CN100410532C Positive-displacement reciprocating compressor |
| 08/12/2008 | US7409997 Electric submersible pump with specialized geometry for pumping viscous crude oil |
| 08/06/2008 | EP1952022A2 System and method for a pump with reduced form factor |
| 07/30/2008 | CN201092945Y Piston type air compressor |
| 07/30/2008 | CN101233318A Apparatus and method for compressing a gas |
| 07/24/2008 | WO2008088660A2 Multi-stage compressor/driver system and method of operation |
| 07/17/2008 | US20080170948 Multi-stage compressor/driver system and method of operation |
| 07/15/2008 | US7400952 Method and apparatus for controlling desiccant regeneration in air dryer equipment for a locomotive |
| 07/02/2008 | EP1937344A2 System and method for providing oxygen |
| 07/01/2008 | US7393186 Multi-stage compressor |
| 06/26/2008 | WO2008074428A1 Fluid machine |
| 06/25/2008 | EP1934476A1 Installation for high pressure compression with several stages |
| 06/12/2008 | US20080138214 Chemical liquid supplying apparatus |
| 05/27/2008 | US7377312 Oil well pump apparatus |
| 05/22/2008 | US20080118373 Apparatus for compressing and storing oxygen enriched gas |
| 05/21/2008 | EP1922485A1 Multi-cylinder, dry-running piston compressor comprising a cooling air flow |
| 05/14/2008 | CN201059252Y Dual high pressure nitrogen hydrogen gas compressor |
| 05/14/2008 | CN201059251Y High pressure nitrogen hydrogen gas compressor |
| 05/08/2008 | US20080107543 Compressor having a suction throttle valve |
| 05/07/2008 | EP1918585A2 Vacuum pump |
| 04/30/2008 | EP1915532A1 High-pressure gas compressor and method of operating a high-pressure gas compressor |
| 04/24/2008 | US20080095634 Multi-stage turbine using steel and aluminum blades |
| 04/10/2008 | US20080085195 Oil balance system and method for compressors connected in series |
| 04/09/2008 | EP1907701A1 Compressor, in particular piston compressor |
| 04/09/2008 | CN100379989C Double-spherical floating connecting structure of compressor |
| 04/01/2008 | US7351044 Multi-stage piston type compressor |
| 03/27/2008 | DE102006042122A1 Verdichter Compressor |
| 03/18/2008 | US7344787 Two-stage compression for air supply of a fuel cell system |
| 03/13/2008 | WO2008028545A1 Compressor |
| 03/13/2008 | US20080063541 Pumping Arrangement |
| 03/12/2008 | CN100374177C Rotating compressor |
| 02/28/2008 | US20080047611 Fluid pump having low pressure metering and high pressure delivering |
| 02/27/2008 | CN201027612Y Non-oil lubrication step piston type air compressor |
| 02/21/2008 | WO2008019416A1 Multi-stage compressor |
| 02/21/2008 | CA2660494A1 Multi-stage compressor |
| 02/20/2008 | CN100370197C Compressor for refrigerant cycling device |
| 02/12/2008 | US7329105 Multi-directional pump |
| 01/31/2008 | US20080025856 Compressor for liquid fuel canister |
| 01/24/2008 | US20080019843 Multiple Pump Unit |
| 01/15/2008 | US7318706 Valving for multi-stage vacuum pumps |
| 01/10/2008 | US20080008602 Compressor |
| 12/26/2007 | EP1869322A1 Oil-less compressor with seal-dust protection |
| 12/21/2007 | WO2007078573A3 Apparatus and method for pumping in an ion optical device |
| 12/12/2007 | EP1865274A1 Vapor-compression refrigeration circuit and automotive air-conditioning system using the refrigeration circuit |
| 11/21/2007 | EP1702162B1 Piston compressor for compressing gaseous media in at least two working chambers |
| 11/15/2007 | US20070264135 Drain Valve Assembly for Use in an Air Compressor System |
| 11/07/2007 | CN101069017A Fore-line preconditioning for vacuum pumps |
| 11/06/2007 | CA2433570C Two stage hermetic carbon dioxide compressor |
| 10/30/2007 | US7287458 Yoke mechanism for compressor |
| 10/25/2007 | US20070248472 Device for Generating Highly Compressed Gas |
| 10/23/2007 | CA2307103C High pressure fuel supply system for natural gas vehicles |
| 10/17/2007 | CN100343509C High pressure pump system for supplying a cryogenic fluid from a storage tank |
| 10/09/2007 | US7278831 Apparatus and method for control, pumping and abatement for vacuum process chambers |
| 10/02/2007 | US7275592 Oil well pump apparatus |
| 09/25/2007 | US7273355 Compressor assembly with piston having multiple cross sections |
| 09/13/2007 | WO2007101768A1 Multistage compressor |
| 09/13/2007 | WO2007079514A8 High-pressure compressor and its use and method for operating it |
| 08/30/2007 | WO2007096127A1 Reciprocating-piston compressor having non-contact gap seal |
| 08/29/2007 | EP1826405A1 Swash plate compressor |
| 08/29/2007 | CN100334350C 线性压缩机 Linear Compressor |
| 08/23/2007 | WO2007093826A1 Fluid compressor and motor vehicle refuelling apparatus |
| 08/15/2007 | CN101016893A Middle pressure compressor gradation piston component |
| 08/02/2007 | US20070175814 Machining liquid processing apparatus in wire electric discharge machine |
| 07/19/2007 | WO2007079514A1 High-pressure compressor and its use and method for operating it |
| 07/19/2007 | CA2635017A1 High-pressure compressor, its use as well as method for its operation |
| 07/17/2007 | US7244107 Home oxygen-compression apparatus |