| 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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| 09/19/2002 | US20020131882 Scroll fluid machine having multistage compressing part |
| 09/19/2002 | US20020131880 Compressor with built-in motor, and mobile structure using the same |
| 09/19/2002 | US20020131878 Compressor with built-in motor mounted on engine of mobile structure |
| 09/19/2002 | US20020131870 System for pumping low thermal conductivity gases |
| 09/19/2002 | US20020131869 Method for connecting compressor with built-in electric motor and external wiring, connection device used therefor, and compressor with built-in electric motor using the same |
| 09/18/2002 | EP1241417A1 Digital controller for scroll compressor condensing unit |
| 09/18/2002 | CN1369644A Air compression system and casting gas/oil separating case used for such system |
| 09/18/2002 | CN1369643A 压缩系统 Compression System |
| 09/17/2002 | US6450791 Scroll compressor |
| 09/17/2002 | US6450782 Pump-motor assembly having a motor mount |
| 09/17/2002 | US6450764 Pulp pump |
| 09/12/2002 | WO2002070900A1 Water-injected screw compressor |
| 09/12/2002 | WO2001011239A3 Vacuum pump aggregate |
| 09/12/2002 | US20020127122 Compressor system for producing compressed air |
| 09/12/2002 | US20020127120 Compressor diagnostic and recording system |
| 09/12/2002 | DE10108631A1 Vacuum pump plant has fore-pump as liquid ring pump to create intermediate vacuum in range of rough, low vacuum, and side channel pump to create final vacuum |
| 09/11/2002 | EP1239159A2 Scroll fluid machine |
| 09/11/2002 | CN1369040A 压缩机 Compressor |
| 09/11/2002 | CN1090717C Counterweight drag eliminator |
| 09/10/2002 | US6447274 Rotary compressor having a cylinder block of sintered metal |
| 09/10/2002 | US6447264 Compressor system |
| 09/10/2002 | US6446462 Freezing apparatus |
| 09/05/2002 | DE10054668C1 Compressor for submerged pump has winding for motor stator mounted in hood of submerged motor housing |
| 09/04/2002 | EP1236903A2 Shaft seal structure of vacuum pumps |
| 09/04/2002 | CN1090294C Vortex compressor |
| 09/04/2002 | CN1090293C 涡旋压缩机 Scroll Compressor |
| 09/04/2002 | CN1090292C Vortex type fluid displacement device |
| 09/03/2002 | US6443711 Inlet bearing lubrication for a screw machine |
| 09/03/2002 | US6443703 Scroll compressor with motor protector in suction flow path |
| 09/03/2002 | CA2275813C Stepped annular intermediate pressure chamber for axial compliance in a scroll compressor |
| 09/03/2002 | CA2275788C Oldham coupling for a scroll compressor |
| 09/03/2002 | CA2241669C Mechanism and method for aligning a fixed scroll in a scroll compressor |
| 08/29/2002 | WO2002066836A1 Rotary piston machine for compressible media |
| 08/29/2002 | US20020119061 Absorbent article and method of manufacture |
| 08/28/2002 | EP1234981A2 A hermetic scroll compressor |
| 08/28/2002 | CN1366584A 螺杆压缩机 Screw compressors |
| 08/27/2002 | US6439864 Two stage scroll vacuum pump with improved pressure ratio and performance |
| 08/22/2002 | WO2002064981A1 Horizontal scroll compressor |
| 08/22/2002 | WO2002064389A1 On-vehicle air conditioner |
| 08/22/2002 | US20020114719 Scrawl compressor |
| 08/22/2002 | US20020114706 Reversible pivoting vane rotary compressor for a valve-free oxygen concentrator |
| 08/21/2002 | EP1233187A2 Hermetic compressor |
| 08/21/2002 | EP1233186A2 Rotary compressor |
| 08/21/2002 | EP1233179A2 Composite drive system for compressor |
| 08/15/2002 | WO2002063171A1 Scroll compressor |
| 08/15/2002 | WO2002063168A2 Compressor system |
| 08/15/2002 | US20020110466 Compressor unit for refrigeration |
| 08/15/2002 | US20020110463 Horizontal closed type compressor for vehicle use and cooling system of electric compressor for vehicle use |
| 08/15/2002 | US20020110461 Composite drive system for compressor |
| 08/14/2002 | DE10164251A1 Spiralverdichter Scroll compressor |
| 08/14/2002 | DE10140456A1 Aussenschalenkonstruktion eines Scrollkompressors für eine Brennstoffzelle Outer shell construction of a scroll compressor for a fuel cell |
| 08/14/2002 | DE10106111A1 Tankfahrzeug-Verdichter Tanker compressor |
| 08/13/2002 | US6431843 Method of ensuring optimum viscosity to compressor bearing system |
| 08/08/2002 | WO2002061286A1 Two stage scroll vacuum pump with improved pressure ration and performance |
| 08/08/2002 | WO2002061285A1 Scroll compressor |
| 08/08/2002 | WO2002061284A1 Scroll compressor |
| 08/08/2002 | US20020106295 Horizontal scroll compressor having an oil injection fitting |
| 08/08/2002 | US20020106294 Scroll-type compressor for a fuel cell with an obstruction member around a drive shaft |
| 08/08/2002 | US20020106288 Compressor system |
| 08/08/2002 | US20020106287 Air compressor system and an air/oil cast separator tank for the same |
| 08/08/2002 | US20020106282 Enclosure for an air compressor |
| 08/08/2002 | US20020104296 Compressor system |
| 08/07/2002 | EP1229249A2 An air compressor system and an air/oil cast separator |
| 08/07/2002 | EP1229248A2 Compressor system |
| 08/07/2002 | EP1229243A2 Enclosure for an air compressor |
| 08/07/2002 | EP1228315A1 Scroll compressor for natural gas |
| 08/07/2002 | EP1021653B1 Cooled screw vacuum pump |
| 08/07/2002 | CN1363026A Oil amount detector, refrigeration apparatus and air conditioner |
| 08/07/2002 | CN1088805C Scroll machine |
| 08/06/2002 | US6428296 Horizontal scroll compressor having an oil injection fitting |
| 08/06/2002 | US6428293 Heat shield with seal between end cap and non-orbiting scroll |
| 08/06/2002 | US6428292 Discharge valve |
| 08/02/2002 | CA2363977A1 Air compressor system and an air/oil cast separator tank for the same |
| 08/02/2002 | CA2363745A1 Compressor system |
| 08/01/2002 | WO2002059481A2 Shaft axial load balancing system |
| 08/01/2002 | US20020102175 Scroll compressor |
| 08/01/2002 | US20020102163 Method of ensuring optimum viscosity to compressor bearing system |
| 08/01/2002 | US20020100638 Lower bearing mount for sealed compressor |
| 07/31/2002 | EP1227246A2 Shaft seal structure for vacuum pump |
| 07/30/2002 | US6425746 Compressor and regenerator for fuel cell |
| 07/30/2002 | US6425744 Helical blade type compressor having a helical blade in a stationary cylinder |
| 07/25/2002 | WO2002057634A1 Refrigeration compressor with magnetic coupling |
| 07/25/2002 | US20020098094 Shaft load balancing system |
| 07/25/2002 | US20020096838 Shaft seal structure for vacuum pump |
| 07/25/2002 | US20020095950 Air-conditioner, outdoor unit and refrigeration unit |
| 07/25/2002 | DE10101016A1 Kältemittelverdichter Refrigerant compressor |
| 07/24/2002 | EP1224395A1 Multistage compressor unit and method for regulating such multistage compressor unit |
| 07/24/2002 | CN2502045Y Composite cleaning vacuum pump |
| 07/23/2002 | US6422844 Screw compressor |
| 07/23/2002 | US6422842 Scroll compressor discharge muffler |
| 07/23/2002 | US6422346 Lubricating oil pumping system |
| 07/16/2002 | US6418740 External high pressure to low pressure valve for scroll compressor |
| 07/11/2002 | WO2002053917A1 Refrigeration compressor |
| 07/11/2002 | WO2002053912A2 Cooling air arrangement for compressor |
| 07/11/2002 | WO2002016773A8 Pressure seal for a vacuum pump |
| 07/11/2002 | US20020090311 Hermetic compressor and open compressor |
| 07/11/2002 | US20020090310 Vacuum exhaust apparatuses and vacuum exhaust methods |
| 07/11/2002 | US20020088241 Apparatus and method for controlling electric compressor |
| 07/11/2002 | DE10159365A1 Motorbetriebener Kompressor The motor-driven compressor |
| 07/11/2002 | DE10065821A1 Kompressor Compressor |