| Patents for F04B 25 - Multi-stage pumps specially adapted for elastic fluids (1,208) |
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| 08/20/2013 | US8512008 Oil supply system of automatic transmission |
| 08/07/2013 | CN103233876A Foldback coaxial gas booster pump and gas pressure creating method |
| 07/25/2013 | WO2013108968A1 Variable displacement axial axle piston pump having easy to maintain and repair built-in adjuster |
| 07/24/2013 | CN203081682U Vertical piston type nitrogen compressor |
| 07/11/2013 | WO2013103177A1 Check valve of variable capacity compressor for automobile |
| 07/03/2013 | CN203035481U Multi-stage compressor for improving low-pressure ratio operation efficiency |
| 06/26/2013 | CN203022990U Vertical reciprocating piston type high-capacity and high-pressure nitrogen compressor |
| 06/26/2013 | CN203022989U Vertical reciprocating piston type carbon dioxide gas compressor |
| 06/19/2013 | CN102155396B Installation for high pressure compression with several stages |
| 06/13/2013 | WO2013058598A3 Control valve for compressor |
| 06/13/2013 | US20130149173 Multistage compressors for pet bottle blowing processes |
| 06/05/2013 | CN202971082U High-power air compressor |
| 06/05/2013 | CN202971081U Vertical type reciprocating piston type nitrogen booster compressor |
| 06/05/2013 | CN101883924B Multi-level membrane suction pump |
| 05/23/2013 | US20130129531 Multistage compressor installation |
| 05/21/2013 | US8444396 Fluid transferring system and micropump suitable therefor |
| 05/08/2013 | CN202926542U High-pressure two-stage inflator |
| 04/25/2013 | WO2013058598A2 Control valve for compressor |
| 04/24/2013 | EP2582978A1 Air-cooled reciprocating compressor having special cooling air conduction |
| 04/24/2013 | CN202900566U High purity and high pressure hydrogen reciprocating compressor |
| 03/28/2013 | WO2012148180A3 Swashplate-type compressor |
| 03/20/2013 | CN202811255U Double-V-shaped four-level reciprocating piston type natural gas compressor |
| 03/20/2013 | CN101885306B Nitrogen supercharging vehicle |
| 03/07/2013 | US20130058800 Parallel Dynamic Compressor Arrangement and Methods Related Thereto |
| 02/27/2013 | CN102947589A Air-cooled reciprocating compressor having special cooling air conduction |
| 02/19/2013 | US8376718 Multistage compressor installation |
| 02/13/2013 | CN202732265U Double-row multi-stage compressor general platform |
| 02/06/2013 | CN202718822U Fourth-level gas booster compressor |
| 02/05/2013 | US8366406 Multi-stage compressor |
| 01/30/2013 | CN202707402U Two-stage compression double-acting air supercharging compressor |
| 01/23/2013 | CN102889196A Threaded connecting structure of differential piston |
| 12/20/2012 | WO2012108671A3 Valve plate assembly of compressor |
| 12/20/2012 | DE102012011733A1 Kolbenkompressor Piston Compressor |
| 12/06/2012 | US20120304993 Pump unit and breathing assistance device |
| 11/14/2012 | CN102155382B Compact-type natural gas compressor |
| 11/13/2012 | US8308439 Method and apparatus for resisting disabling fouling of compressors in multistage compression systems |
| 11/06/2012 | CA2776066A1 Air pump |
| 11/01/2012 | WO2012148180A2 Swashplate-type compressor |
| 10/31/2012 | DE112010003962T5 Verfahren und Vorrichtung zur Steuerung einer verstellbaren Hydraulikpumpe Method and apparatus for controlling a variable displacement hydraulic pump |
| 10/31/2012 | CN102758756A Commonly-used platform for double-row multistage compressor |
| 10/23/2012 | US8292597 High-speed gear pump |
| 10/18/2012 | WO2012140012A1 Pressure boosting system |
| 10/17/2012 | EP2511528A1 Pressure boosting system |
| 10/17/2012 | EP2510234A2 Continuously conveying infusion pump |
| 10/16/2012 | US8287251 Variable ratio hand pump |
| 09/25/2012 | US8272848 Positive-displacement reciprocating compressor |
| 09/12/2012 | CN102667154A Displacement control valve for variable displacement compressor |
| 08/30/2012 | WO2012113946A1 Oxygen compressor |
| 08/29/2012 | CN102650277A Multistage compressor and decompression valve |
| 08/16/2012 | WO2012108671A2 Valve plate assembly of compressor |
| 08/16/2012 | WO2012107284A1 Compressor circuit for a pneumatic control device of a vehicle |
| 08/16/2012 | WO2012083914A3 Radial piston pump |
| 08/16/2012 | US20120207626 Thermally efficient multiple stage gear pump |
| 08/16/2012 | US20120205112 High Pressure Multistage Centrifugal Pump For Fracturing Hydrocarbon Reserves |
| 08/15/2012 | CN202381283U High pressure air pump |
| 08/15/2012 | CN202381282U Grading compressor |
| 08/14/2012 | US8241011 Fan having two impellers |
| 08/08/2012 | CN202370778U Totally oil-free oxygen compressor |
| 08/08/2012 | CN202370777U Compressor head |
| 08/01/2012 | CN102619723A Multi-stage piston compressor |
| 07/31/2012 | US8231363 Screw compressor |
| 07/31/2012 | US8231357 High-pressure compressor and its use and method for operating it |
| 07/25/2012 | CN202348611U Full oil-free air compressor |
| 07/17/2012 | US8221094 Screw compressor in which low and high pressure stage compressor bodies overly at least portion of motor body |
| 07/12/2012 | WO2012093160A1 Double-acting refrigeration compressor |
| 07/12/2012 | WO2012092977A1 Gas compressor |
| 07/11/2012 | CN102575694A Method and apparatus for controlling a variable displacement hydraulic pump |
| 07/11/2012 | CN102575658A Multichamber and motor pump with several chambers for motor pump |
| 07/10/2012 | US8215922 Compressible fluid pumping system for dynamically compensating compressible fluids over large pressure ranges |
| 07/05/2012 | US20120171056 Motorcompressor unit with variable aerodynamic profile |
| 06/28/2012 | WO2012086921A1 Swash plate-type compressor |
| 06/21/2012 | WO2012079692A1 Compressor, compressed-air supply system, pneumatic system and method for operating a compressed-air supply system |
| 06/21/2012 | US20120152248 Apparatus for compressing and storing oxygen enriched gas |
| 06/21/2012 | DE102010054710A1 Kompressor, Druckluftversorgungsanlage, pneumatisches System und Verfahren zum Betreiben einer Druckluftversorgungsanlage Compressor, compressed air supply system, pneumatic system and method for operating a compressed air supply system |
| 06/13/2012 | CN101737294B Inflator of racing bicycle |
| 06/06/2012 | EP2461034A2 Multichamber and motor pump with several chambers for motor pump |
| 06/06/2012 | EP2461033A1 Multi-stage piston compressor |
| 06/06/2012 | DE102010053091A1 Mehrstufiger Kolbenverdichter Multi-stage piston compressor |
| 05/30/2012 | CN202250713U Piston-type natural gas compressor |
| 05/22/2012 | US8182236 Process and device for the high-pressure delivery of a fluid mixture and use of same |
| 05/17/2012 | US20120121442 Multistage dry vacuum pump |
| 05/08/2012 | US8172557 High-pressure gas compressor and method of operating a high-pressure gas compressor |
| 05/01/2012 | US8167591 High pressure air pump with reciprocating drive |
| 04/25/2012 | EP2300713B1 Method and device for conveying compressed gas |
| 04/10/2012 | CA2641012C System to cold compress an air stream using natural gas refrigeration |
| 03/28/2012 | CN102392808A High-pressure air pump |
| 03/20/2012 | US8137081 Compressor unit |
| 03/01/2012 | WO2011111935A3 Variable-displacement swash plate compressor |
| 02/29/2012 | CN202152720U 一种家用天然气四级压缩机 One kind of domestic natural gas four compressors |
| 02/28/2012 | US8123502 Acoustic pump utilizing radial pressure oscillations |
| 02/28/2012 | US8123495 Reciprocating positive-displacement compressors |
| 02/23/2012 | US20120045322 Vacuum pump |
| 02/01/2012 | CN102341599A Swash plate compressor |
| 01/26/2012 | WO2012009858A1 Natural gas compressor capable of improving intake condition |
| 01/19/2012 | US20120014816 Compressor |
| 01/03/2012 | US8087902 Hydraulic device with a lubricating pump |
| 12/22/2011 | WO2011157681A1 Air-cooled reciprocating compressor having special cooling air conduction |
| 12/21/2011 | CN102292545A 用于压缩机的卸荷系统和方法 System and method for unloading the compressor |
| 12/15/2011 | US20110303175 Multi Stage Hydrogen Compression & Delivery System for Internal Combustion Engines Utilizing Working Fluid and Waste Heat Recovery (HCDS-IC_m-wf-wh) |
| 12/14/2011 | CN202073739U 一种真空隔热板成型机的三级真空泵组 A vacuum insulation panels of three vacuum forming machine group |