| 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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| 01/27/2005 | US20050019192 Variable capacity rotary compressor |
| 01/27/2005 | US20050019191 Variable capacity rotary compressor |
| 01/27/2005 | US20050019189 Variable capacity rotary compressor |
| 01/27/2005 | US20050019176 Variable capacity scroll compressor |
| 01/27/2005 | US20050019169 Tempering method for a screw-type vacuum pump |
| 01/26/2005 | EP1500821A2 Compressor with control and protection system |
| 01/26/2005 | EP1500820A1 Rotary compressor |
| 01/26/2005 | EP0926344B1 Seal structure for casing |
| 01/26/2005 | CN1571908A Refrigerating equipment |
| 01/26/2005 | CN1571887A Scroll compressor |
| 01/25/2005 | US6847140 Fluid barrier for motor rotor |
| 01/25/2005 | US6846163 Rotary fluid machine having rotor segments on the outer periphery of a rotor core |
| 01/20/2005 | WO2005005838A1 Rotary screw compressor with multiple stages |
| 01/20/2005 | US20050013718 Rotary compressor, method for manufacturing the same, and defroster for refrigerant circuit |
| 01/20/2005 | US20050013704 Cooling air inlet arrangement |
| 01/20/2005 | US20050013702 Screw compressor |
| 01/20/2005 | US20050011213 Electric-powered compressor |
| 01/19/2005 | EP1498611A1 Screw compressor |
| 01/19/2005 | EP1498607A1 High-low pressure dome type compressor |
| 01/19/2005 | CN1566682A Multiple compression type compressor |
| 01/19/2005 | CN1566670A Disc air compressor |
| 01/13/2005 | US20050008521 Check valve of scroll compressor |
| 01/13/2005 | US20050008520 Rotary compressor, method for manufacturing the same, and defroster for refrigerant circuit |
| 01/13/2005 | US20050008519 Rotary compressor |
| 01/13/2005 | US20050008518 Rotary compressor, method for manufacturing the same, and defroster for refrigerant circuit |
| 01/13/2005 | US20050008507 Bearing support and stator assembly for compressor |
| 01/13/2005 | US20050008442 Rotary compressor, method for manufacturing the same, and defroster for refrigerant circuit |
| 01/12/2005 | EP1496262A1 Rotary compressor |
| 01/12/2005 | EP1496260A2 Hermetic compressors |
| 01/12/2005 | EP1496259A2 Hermetic compressors |
| 01/12/2005 | EP1496258A2 Hermetic compressors |
| 01/12/2005 | EP1496254A2 Closed rotary compressor |
| 01/06/2005 | WO2004088141A3 Oscillating piston pump |
| 01/06/2005 | US20050002816 Power generating device |
| 01/06/2005 | US20050002815 Variable capacity rotary compressor |
| 01/06/2005 | US20050002814 Variable capacity rotary compressor |
| 01/06/2005 | US20050002804 Closed compressor |
| 01/06/2005 | US20050002803 Hermetic compressor |
| 01/06/2005 | US20050000436 Multi-chamber installation for treating objects under vacuum, method for evacuating said installation and evacuation system therefor |
| 01/05/2005 | EP1492940A1 Scroll-type expander having heating structure and scroll-type heat exchange system employing the expander |
| 01/05/2005 | CN1183330C Vortex type compressor |
| 01/05/2005 | CN1183326C Scroll machine and its scroll component |
| 01/05/2005 | CN1183325C Helical compressor |
| 01/04/2005 | US6837688 Overheat protection for fluid pump |
| 12/30/2004 | US20040265160 Cooled screw-type vacuum pump |
| 12/30/2004 | US20040265143 Hybrid compressor |
| 12/29/2004 | WO2004113731A1 Rotary-type enclosed compressor and refrigeration cycle apparatus |
| 12/29/2004 | EP1491768A1 Compressor |
| 12/29/2004 | EP1490599A2 Pump system with vacuum source |
| 12/29/2004 | CN2667203Y Multi-stage Roots oil-free vacuum pump |
| 12/29/2004 | CN1182768C Shielding cover for electric equipment terminal and compressor assembly with the shielding cover |
| 12/23/2004 | WO2004111462A1 Scroll compressor |
| 12/23/2004 | WO2004111461A1 Closed compressor |
| 12/23/2004 | WO2004111458A1 Air-feeding device |
| 12/23/2004 | WO2004111456A1 Scroll compressor |
| 12/23/2004 | WO2004111454A1 Compressor |
| 12/23/2004 | WO2004111453A1 Compressor |
| 12/23/2004 | WO2004111390A1 Compressor |
| 12/23/2004 | US20040258551 Vacuum pump |
| 12/23/2004 | US20040258542 Plural compressors |
| 12/23/2004 | DE102004012795A1 Abwärmenutzungssystem Waste heat recovery system |
| 12/22/2004 | EP1489308A2 Plural compressors |
| 12/22/2004 | EP1489307A1 Scroll type fluid machine |
| 12/22/2004 | CN2665411Y Two-stage vortex air pump |
| 12/22/2004 | CN2665410Y Coaxial multi-stage screw type air compressor |
| 12/22/2004 | CN1181262C Screw-type compressor |
| 12/21/2004 | US6832488 Refrigerating machine |
| 12/16/2004 | WO2004109114A1 Rotary compressor |
| 12/16/2004 | WO2004109113A1 Rotary fluid machinery |
| 12/16/2004 | US20040253133 Scroll compressor |
| 12/16/2004 | US20040253127 Refrigerant pump and cooling device employing same |
| 12/16/2004 | US20040250546 Rotating fluid machine |
| 12/15/2004 | EP1486742A1 Refrigerant cycle apparatus |
| 12/15/2004 | EP1486677A1 Rotary compressor |
| 12/15/2004 | EP1486676A1 Scroll compressor |
| 12/15/2004 | EP1486672A1 Closed compressor |
| 12/15/2004 | EP0849471B1 High-pressure dome type compressor in which the discharge of oil by gas is prevented and in which oil is cooled by discharge gas |
| 12/09/2004 | US20040247476 Scroll compressor |
| 12/09/2004 | US20040247475 Scroll fluid machine |
| 12/09/2004 | US20040247465 Screw type vacuum pump |
| 12/09/2004 | US20040244393 Variable speed compressor cooling system |
| 12/09/2004 | DE10046686B4 Kompressor-Regenerator-Vorrichtung für eine Brennstoffzelle Compressor-regenerator device for a fuel cell |
| 12/02/2004 | US20040241027 Roots pump |
| 12/02/2004 | US20040241016 Pump assembly |
| 12/02/2004 | US20040241010 Variable capacity rotary compressor |
| 12/01/2004 | EP1482177A1 Scroll fluid machine |
| 12/01/2004 | CN1550674A Roots pump |
| 12/01/2004 | CN1178001C Rotary fluid machinery, vane fluid machinery, and waste heat recovery device of internal combustion engine |
| 11/30/2004 | US6824367 Multi-stage compression type rotary compressor and a setting method of displacement volume ratio for the same |
| 11/25/2004 | WO2004102005A1 Compressor |
| 11/25/2004 | WO2004102004A1 Rotary compressor |
| 11/25/2004 | WO2004102001A1 Rotary compressor |
| 11/25/2004 | US20040234405 Scroll fluid machine |
| 11/24/2004 | EP1479913A2 Roots pump |
| 11/24/2004 | EP1478854A2 Motor pump |
| 11/24/2004 | CN2658431Y Drive mechanism of double hydraulic pump for diesel engine |
| 11/23/2004 | US6820437 Air conditioner |
| 11/18/2004 | WO2004099620A1 Improvements in seal assemblies |
| 11/18/2004 | WO2004099613A2 Compressor suction gas feed assembly |
| 11/17/2004 | EP1477680A2 Scroll compressor |