| Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462) |
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| 03/10/2004 | CN1480788A Analyzing system of exposuring device, analyzing method, and program, and semiconductor element mfg. method |
| 03/10/2004 | CN1480695A Refrigerator |
| 03/10/2004 | CN1141533C Refrigerator |
| 03/10/2004 | CN1141496C Enclosed rotating compressor |
| 03/09/2004 | US6702907 Forged scroll part and production process thereof |
| 03/09/2004 | US6702558 Twin screw rotors and displacement machines containing the same |
| 03/05/2004 | CA2439510A1 Oil shield as part of crankcase for a scroll compressor |
| 03/04/2004 | WO2004018879A1 Vacuum pump and method of starting the same |
| 03/04/2004 | WO2004018878A1 Compressor with capacity control |
| 03/04/2004 | US20040042921 Discharge porting for screw compressor with tangential flow guide cusp |
| 03/04/2004 | US20040042920 Scroll-type fluid machine |
| 03/04/2004 | US20040042917 Scroll compressor |
| 03/04/2004 | US20040042911 Apparatus for changing capacity of scroll compressor |
| 03/04/2004 | US20040040339 Refrigerant cycling device and compressor using the same |
| 03/04/2004 | US20040040332 Screw compressor |
| 03/04/2004 | US20040040323 Refrigerating machine |
| 03/03/2004 | EP1394479A2 Refrigerant cycling device and compressor |
| 03/03/2004 | EP1394418A2 Vane compressor |
| 03/03/2004 | EP1394417A2 Rotary vane gas compressor |
| 03/03/2004 | EP1392979A1 Cylinder assembly of compressor |
| 03/03/2004 | CN1479014A Displacement changing device of vortex compressor |
| 03/03/2004 | CN1479013A Vortex compressor |
| 03/03/2004 | CN1140712C Toothed screw bolt |
| 03/03/2004 | CN1140711C Toothed screw bolt |
| 03/03/2004 | CN1140710C Screw bolt with type of profile |
| 03/02/2004 | US6700273 Gas transfer machine |
| 03/02/2004 | US6699023 Multi-stage vacuum pump |
| 02/26/2004 | WO2004016997A1 Oil carry-over prevention from helium gas compressor |
| 02/26/2004 | WO2004016950A1 Compressor |
| 02/26/2004 | US20040037730 Single-screw compressor |
| 02/26/2004 | US20040037727 Pump comprising a water supply |
| 02/26/2004 | US20040037711 Oil free screw compressor |
| 02/26/2004 | DE19912482B4 Spiralverdichter Scroll compressor |
| 02/25/2004 | EP1163450B1 Pump for generating pressure or negative pressure |
| 02/25/2004 | CN1478033A Device for emptying food storage container which can be sealed by means of valve |
| 02/25/2004 | CN1477311A Axle sealing structure for vacuum pump |
| 02/25/2004 | CN1477310A Axle sealing structure for vacuum pump |
| 02/25/2004 | CN1139728C Sealed compressor driven by motor |
| 02/25/2004 | CN1139727C Power modulated scroll machine |
| 02/24/2004 | US6695602 Bacterial growth inhibition in a circulation system comprising a compressor |
| 02/24/2004 | US6695600 Scroll compressor |
| 02/24/2004 | US6695599 Scroll compressor |
| 02/24/2004 | US6695598 Scroll compressor |
| 02/24/2004 | US6695597 Scroll fluid machine |
| 02/24/2004 | US6695201 Stress relieved lower shell for sealed compressors |
| 02/19/2004 | US20040033153 Fluid transport system and method therefor |
| 02/19/2004 | US20040033152 Screw machine |
| 02/19/2004 | US20040033151 Compressor having oil returning apparatus |
| 02/19/2004 | US20040031384 Rotary fluid machinery |
| 02/19/2004 | US20040031283 Compressor having vibration reducing structure |
| 02/19/2004 | DE3745098B4 Kompressor der Spiralbauart Scroll type compressor |
| 02/19/2004 | DE10228894A1 Rotary piston fan for cooker has 2- or 3-vane rotary piston(s) that works in conjunction with drive, is at least partly helical along drive axes and is hollow at least in some regions of interior |
| 02/18/2004 | CN2603860Y 涡轮压缩机 Turbo compressor |
| 02/18/2004 | CN2603859Y 涡轮压缩机 Turbo compressor |
| 02/18/2004 | CN1475673A Turbo machine having dual volume ratio |
| 02/18/2004 | CN1138926C Swirl compressor with swirl end plate having thickness of more than height of its screw thread |
| 02/18/2004 | CN1138924C Conjugate screw rotor profile |
| 02/18/2004 | CN1138920C Hermetic compressor |
| 02/17/2004 | US6692243 Screw compression flow guide for discharge loss reduction |
| 02/17/2004 | US6692242 Multi-cylinder rotary compressor |
| 02/17/2004 | US6692205 Compressor incorporated with motor and its cooling jacket |
| 02/12/2004 | US20040030142 Method for producing n-alkoxy-n-alkylamides |
| 02/12/2004 | DE4234391B4 Schraubenverdichter Screw compressor |
| 02/12/2004 | DE19942685B4 Spiralkompressor Scroll compressor |
| 02/12/2004 | DE10333536A1 Electric compressor for cooling cycle device, has oil separator of lubricating oil from working fluid in compressor stage output region, oil retention chamber, return flow path to low pressure side |
| 02/11/2004 | EP1387961A1 Multi-stage screw compressor |
| 02/11/2004 | CN2603233Y Pressure fan for water body aeration |
| 02/11/2004 | CN1474060A Vortex compressor |
| 02/11/2004 | CN1474059A Vortes compressor |
| 02/11/2004 | CN1474057A Rotary compressor capable of preventing cylinder from deforming |
| 02/11/2004 | CN1474056A Antiwear structure for preventing wankle compressor |
| 02/11/2004 | CN1138070C Scroll type fluid machinery |
| 02/10/2004 | US6688868 Screw compressor injected with water |
| 02/10/2004 | US6688867 Rotary blower with an abradable coating |
| 02/10/2004 | US6688865 Vane type fluid machinery having a deformable seal portion on the vane |
| 02/10/2004 | US6688864 Oil leak prevention structure of vacuum pump |
| 02/10/2004 | US6688863 Oil leak prevention structure of vacuum pump |
| 02/10/2004 | US6688857 Compressor and dehydrator system |
| 02/05/2004 | WO2004011809A1 Horizontal rotary-type compressor |
| 02/05/2004 | WO2004011808A1 Compressor |
| 02/05/2004 | US20040022658 Check valve retainer for a scroll compressor |
| 02/05/2004 | US20040022649 Vane supporting apparatus for hermetic compressor |
| 02/05/2004 | US20040022646 Compressor |
| 02/04/2004 | EP1387132A1 Apparatus having refrigeration cycle |
| 02/04/2004 | EP1387131A1 Apparatus having refrigeration cycle |
| 02/04/2004 | EP0861982B1 A scroll-type fluid displacement compression apparatus having a sliding plate thrust bearing |
| 02/04/2004 | CN2602192Y Vehicle-mounted vacuum pump |
| 02/04/2004 | CN1472440A Fluid conveying system and method |
| 02/04/2004 | CN1137332C Fluid pump with rotating-vane rotor |
| 02/03/2004 | US6685441 Scroll compressor |
| 02/03/2004 | US6684658 Vapor-compression evaporative air conditioning systems and components |
| 02/03/2004 | CA2164305C Displacement machine with electronic motor synchronization |
| 01/29/2004 | WO2004010002A1 Discharge porting design for screw compressor |
| 01/29/2004 | WO2004010001A1 Scroll compressor |
| 01/28/2004 | EP1384893A2 Electric motor and hermetic compressor |
| 01/28/2004 | EP1384006A1 Vane structure for compressor |
| 01/28/2004 | CN1470767A 电动压缩机 Electric compressor |
| 01/28/2004 | CN1136395C Member having sliding contact surface, compressor and rotary compressor |
| 01/28/2004 | CN1136394C Slide sheet type gas compressor with load discharge ring structure |
| 01/27/2004 | US6682329 Cooling of hybrid scroll compressor wrap by suction pressure gas passages |