| Patents for F04C 23 - Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids (6,201) |
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| 04/05/2006 | EP1643128A2 Compressor |
| 04/05/2006 | EP1643127A2 Compressor |
| 04/05/2006 | EP1643080A2 Compressor with hermetically sealed container |
| 04/05/2006 | CN1755120A Composite dry vacuum pump having roots rotor and screw rotor |
| 04/05/2006 | CN1249354C Rotary compressor |
| 04/05/2006 | CN1249353C Variable capacity rotary compressor |
| 04/05/2006 | CN1249350C Vacuum-protective device for vortex compressor |
| 04/05/2006 | CN1249349C Closed compressor |
| 04/05/2006 | CN1248639C Device for emptying food storage container which can be sealed by means of valve |
| 04/04/2006 | US7021912 Scroll fluid machine |
| 04/04/2006 | US7021902 Hybrid compressor |
| 04/04/2006 | US7021075 Electric-powered compressor |
| 03/30/2006 | US20060067846 Compressor |
| 03/29/2006 | EP1640615A1 Rotary compressor |
| 03/29/2006 | EP1640614A1 Rotary fluid machinery |
| 03/29/2006 | EP1640612A1 Air-feeding device |
| 03/29/2006 | CN2767710Y 真空泵浦系统 Vacuum pump system |
| 03/29/2006 | CN2767709Y Two-stage compression type cam compressor |
| 03/29/2006 | CN1754044A Scroll compressor with bifurcated flow pattern |
| 03/29/2006 | CN1247899C Vortex type compressor |
| 03/28/2006 | US7019430 Electric motor |
| 03/28/2006 | US7018185 Liquid recovery method and system for compression mechanism |
| 03/28/2006 | US7018184 Compressor assembly having baffle |
| 03/28/2006 | US7018183 Compressor having discharge valve |
| 03/28/2006 | US7018180 Vacuum preventing device of scroll compressor |
| 03/23/2006 | DE10204686B4 Spiralverdichter für eine Brennstoffzelle mit einem rund um eine Antriebswelle angeordneten Sperrelement The scroll type compressor for a fuel cell with a turn around a drive shaft arranged blocking element |
| 03/22/2006 | CN1751183A Scroll compressor |
| 03/22/2006 | CN1749572A Multiple cylinder compressor |
| 03/22/2006 | CN1749571A Multi-cylinder compressor |
| 03/22/2006 | CN1749569A Multi-cylinder rotary type compressor |
| 03/22/2006 | CN1246593C Method for connecting pipe connector to sealed shell |
| 03/22/2006 | CN1246590C Vacuum proof device for vortex type compressor |
| 03/21/2006 | US7013672 Refrigerant cycling device |
| 03/21/2006 | US7013664 Refrigerant cycling device |
| 03/16/2006 | US20060057011 Oil recycling apparatus for compressor |
| 03/16/2006 | US20060057010 Scroll compressor |
| 03/16/2006 | US20060056983 Internal intermediate pressure multistage compression type rotary compressor, manufacturing method thereof and displacement ratio setting method |
| 03/16/2006 | US20060056982 Internal intermediate pressure multistage compression type rotary compressor, manufacturing method thereof and displacement ratio setting method |
| 03/16/2006 | US20060056981 Internal intermediate pressure multistage compression type rotary compressor, manufacturing method thereof and displacement ratio setting method |
| 03/15/2006 | CN1748086A Scroll compressor |
| 03/15/2006 | CN1746505A Duplex capacity compressor |
| 03/15/2006 | CN1245600C Defrosting device of refrigerant loop and rotary compressor for refrigerant loop |
| 03/14/2006 | US7010936 Method and apparatus for highly efficient compact vapor compression cooling |
| 03/09/2006 | US20060051226 Scroll compressor |
| 03/08/2006 | EP1632646A1 Scroll fluid machine |
| 03/08/2006 | EP1387961B1 Multi-stage screw compressor |
| 03/08/2006 | CN1244755C Vortex compressor |
| 03/07/2006 | US7009318 Electric refrigeration compressor having a cooling system for an electrical circuit |
| 03/07/2006 | US7008199 Rotary compressor, method for manufacturing the same, and defroster for refrigerant circuit |
| 03/07/2006 | US7007505 Refrigerating device |
| 03/07/2006 | US7007503 Oil equalizing system for multiple compressors |
| 03/02/2006 | US20060045761 Oil return tube aligned over motor protector in scroll compressor |
| 03/02/2006 | DE102004038924A1 Side channel rotary vane pump has ring channel divided into chambers that suck gas into work space through inlet ports and out of discharge openings |
| 03/01/2006 | EP1630420A1 Closed compressor |
| 03/01/2006 | CN1243915C Water-injected screw compressor |
| 02/22/2006 | CN1737374A Defroster of refrigerant circuit and rotary compressor |
| 02/22/2006 | CN1243186C 旋转压缩机 Rotary compressor |
| 02/21/2006 | US7001162 Compressor assembly |
| 02/21/2006 | US7001161 Scroll fluid machine |
| 02/16/2006 | DE102004010061B9 Seitenkanal-Drehschieberpumpe Side channel rotary vane pump |
| 02/15/2006 | CN1734095A 可变容量旋转压缩机 The variable capacity rotary compressor |
| 02/08/2006 | CN1240973C Scroll compressor |
| 02/08/2006 | CN1240945C Compressor |
| 02/01/2006 | EP1620649A1 Improvements in seal assemblies |
| 02/01/2006 | CN2755319Y Balance structure of multiple combined compressor oil |
| 02/01/2006 | CN1727681A Equilibrium structure of compressor with duplex cylinder |
| 02/01/2006 | CN1727679A Compressor in rolling piston type |
| 01/31/2006 | US6991440 Two-stage screw compressor |
| 01/26/2006 | US20060018773 Air-cooled dry vacuum pump |
| 01/25/2006 | CN1726338A Volume expander and fluid machine |
| 01/25/2006 | CN1724873A Variable capacity rotation compressor |
| 01/25/2006 | CN1724872A Variable capacity rotation compressor |
| 01/25/2006 | CN1238142C Method for producing sintered metal |
| 01/19/2006 | WO2006006297A1 Rotary fluid machine |
| 01/18/2006 | EP1617082A2 Multicylinder rotary compressor and compressing system and refrigerating unit provided with same |
| 01/18/2006 | EP1617081A2 Sealed type electric compressor |
| 01/18/2006 | CN1237281C Closed electric compressor |
| 01/18/2006 | CN1237280C Vortex compressor |
| 01/11/2006 | EP1614902A2 Compression System |
| 01/11/2006 | EP1614897A1 Enclosed compressor |
| 01/11/2006 | CN1720395A Chamber for compressor and compressor using the same |
| 01/11/2006 | CN1719034A Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same |
| 01/11/2006 | CN1236255C Refrigerant circulation device |
| 01/05/2006 | US20060002809 Rotary closed type compressor and refrigerating cycle apparatus |
| 01/04/2006 | EP1611356A2 Scroll compressor with bifurcated flow pattern |
| 01/04/2006 | CN1715812A Digital scroll condensing unit controller |
| 01/04/2006 | CN1715674A Compressor sound attenuation enclosure |
| 01/04/2006 | CN1715653A Horizontal twin compressor |
| 01/04/2006 | CN1235004C Refrigerant compressor |
| 12/29/2005 | WO2005124156A1 Multi-cylinder rorary compressor |
| 12/29/2005 | WO2005038255B1 Evacuation apparatus |
| 12/29/2005 | US20050287028 Scroll fluid machine |
| 12/29/2005 | US20050287019 Gas compressor |
| 12/29/2005 | DE102005024685A1 Wärmekreis Heating circuit |
| 12/28/2005 | EP1609994A2 Gas compressor |
| 12/28/2005 | EP1609990A1 Vacuum device and vacuum pump |
| 12/28/2005 | EP1608874A2 Pump |
| 12/28/2005 | CN1714245A Air-cooled dry vacuum pump |
| 12/22/2005 | WO2005121558A1 Hermetic rotary compressor |
| 12/21/2005 | CN1232733C Screw compressor |