| Patents for F04C 29 - Component parts, details, or accessories, of pumps or pumping installations specially adapted for elastic fluids, not provided for in groups (16,981) |
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| 04/29/2004 | WO2004036047A1 Rotary piston vacuum pump with washing installation |
| 04/29/2004 | WO2004036045A1 Variable inner volume ratio-type inverter screw compressor |
| 04/29/2004 | WO2004036044A1 Helical compressor for refrigerating medium |
| 04/29/2004 | US20040081565 Vacuum pump |
| 04/29/2004 | US20040081562 Dual volume-ratio scroll machine |
| 04/29/2004 | US20040081561 Composite type compressor |
| 04/29/2004 | US20040079098 Hybrid compressor system for refrigeration cycle system |
| 04/29/2004 | DE10348190A1 Hybridkompressorsystem für ein Kühlkreissystem Hybrid compressor system for a refrigerant cycle system |
| 04/28/2004 | EP1413758A2 Scroll compressor oil separator |
| 04/28/2004 | CN1492971A Rotary piston machine for compressible media |
| 04/28/2004 | CN1492775A Oil separator for pump overflowing with oil |
| 04/28/2004 | CN1492151A Gas compressor |
| 04/28/2004 | CN1492150A 螺杆压缩机 Screw compressor |
| 04/28/2004 | CN1492032A 冷却装置 Cooling device |
| 04/27/2004 | US6726457 Compressor with supercharged inlet |
| 04/22/2004 | WO2004033917A1 Rotary compressor |
| 04/22/2004 | WO2004033916A1 Rotary compressor |
| 04/22/2004 | WO2004033915A1 Rotary compressor |
| 04/22/2004 | WO2004033913A1 Rotary compressor |
| 04/22/2004 | WO2004033857A1 Rotary sliding vane compressor |
| 04/22/2004 | US20040076537 Multi-cylinder rotary compressor |
| 04/22/2004 | US20040074757 Method and apparatus for phase change enhancement |
| 04/22/2004 | US20040074468 Drive shaft coupling device |
| 04/22/2004 | US20040074256 Expander |
| 04/22/2004 | DE10197228T5 Gekapselter mechanischer Booster Sealed mechanical booster |
| 04/21/2004 | EP1411536A1 Motor protector particularly useful with hermetic electromotive compressors |
| 04/21/2004 | EP1411309A2 Expander |
| 04/21/2004 | CN1490526A 真空泵 Vacuum pump |
| 04/20/2004 | US6722867 Rotary compressor for vehicle |
| 04/20/2004 | US6722861 Scroll compressor with motor control for capacity modulation |
| 04/20/2004 | US6722858 Oil-cooled type compressor |
| 04/15/2004 | WO2004031585A1 Screw pump and method of operating the same |
| 04/15/2004 | WO2004031528A2 Drilling rig having a compact compressor/pump assembly |
| 04/15/2004 | WO2004030792A2 Compressor systems for use with smokeless lubricant |
| 04/15/2004 | WO2001078872A8 Compressor installation provided with a drying device |
| 04/15/2004 | US20040071578 Water-injected screw-type compressor |
| 04/15/2004 | US20040071577 Rotary compressor |
| 04/15/2004 | US20040071570 Horizontal two stage rotary compressor |
| 04/15/2004 | US20040071562 Horizontal two stage rotary compressor with improved lubrication structure |
| 04/15/2004 | US20040071560 Rotary compressor |
| 04/15/2004 | US20040069010 Refrigerating cycle or compressor having foreign matter collector |
| 04/15/2004 | US20040068969 Oil separator for pumps overflowing with oil |
| 04/15/2004 | DE19882900B4 Schraubenrotor-Nassvakuumpumpe Screw rotor wet vacuum pump |
| 04/15/2004 | DE10326730A1 Hybridkompressorsystem Hybrid compressor system |
| 04/15/2004 | CA2610878A1 Compressor systems for use with smokeless lubricant |
| 04/15/2004 | CA2492495A1 Screw pump and method of operating the same |
| 04/14/2004 | EP1407147A1 Screw compressor |
| 04/14/2004 | EP1407146A1 Water-injected screw compressor |
| 04/14/2004 | EP1117933B1 Vacuum pump |
| 04/14/2004 | CN1489673A 涡旋压缩机 Scroll Compressor |
| 04/14/2004 | CN1488863A Oil-leakage preventing structure for vacuum pump |
| 04/14/2004 | CN1488862A Oil-leakage preventing struture for vacuum pump |
| 04/14/2004 | CN1488861A 旋转式压缩机 Rotary compressor |
| 04/14/2004 | CN1145767C Prevention of oil backlow and relative screw compressor and refrigeration chiller |
| 04/13/2004 | US6719546 Arrangement for controlling the flow of a coolant fluid in a compressor |
| 04/13/2004 | US6719545 Scroll compressor having a back pressure chamber in a rotation preventing mechanism |
| 04/13/2004 | US6719544 Valve for scroll compressor |
| 04/08/2004 | WO2004029523A2 Method and apparatus for highly efficient compact vapor compression cooling |
| 04/08/2004 | WO2004029462A1 Vane rotary type air pump |
| 04/08/2004 | WO2004029461A1 Scroll compressor |
| 04/08/2004 | US20040067149 Screw vacuum pump comprising additional flow bodies |
| 04/08/2004 | US20040067147 Scroll type compressor |
| 04/08/2004 | US20040067144 Scroll compressor |
| 04/08/2004 | US20040065110 Compressor systems for use with smokeless lubricant |
| 04/08/2004 | DE19953153B4 Spiralkompressor Scroll compressor |
| 04/08/2004 | DE10244562A1 Coolant compressor has pump housing enclosing lower sector of drive shaft, which is directly connected to driven displacement element |
| 04/07/2004 | CN1487200A 流体泵系统 Fluid pump system |
| 04/07/2004 | CN1487198A Air compressor |
| 04/06/2004 | US6716009 Scroll type compressor |
| 04/06/2004 | US6715998 Intake regulator for compressed air in a reservoir |
| 04/01/2004 | WO2004027324A2 Very low temperature refrigeration system having a scroll compressor with liquid injection |
| 04/01/2004 | US20040064212 Manufacturing apparatus and method for predicting life of rotary machine used in the same |
| 04/01/2004 | US20040063590 Refrigerator lubricant compositions |
| 04/01/2004 | US20040062670 Scroll compressor |
| 04/01/2004 | US20040062668 Two-stage screw compressor |
| 04/01/2004 | US20040060717 Drilling rig having a compact compressor/pump assembly |
| 04/01/2004 | DE19936644B4 Elektrische Luftpumpe für Kraftfahrzeuge Electric air pump for motor vehicles |
| 03/31/2004 | CN1485584A Geogrid or mesh structure |
| 03/31/2004 | CN1144006C Heat pump and method for controlling its operation |
| 03/31/2004 | CN1143959C Hermetic motor-driven compressor |
| 03/25/2004 | WO2004025121A1 Hermetic compressor |
| 03/25/2004 | WO2003083311B1 Motor pump |
| 03/25/2004 | WO2002070901A8 Water-injected screw-type compressor |
| 03/25/2004 | US20040057859 Compressor having bearing support |
| 03/25/2004 | US20040057858 Compressor discharge assembly |
| 03/25/2004 | US20040057857 Compressor have counterweight shield |
| 03/25/2004 | US20040057849 Compressor assembly having baffle |
| 03/25/2004 | US20040057848 Compressor assembly having crankcase |
| 03/25/2004 | US20040057845 Compressor mounting bracket and method of making |
| 03/25/2004 | US20040057843 Compressor having discharge valve |
| 03/25/2004 | US20040057837 Compressor having alignment bushings and assembly method |
| 03/25/2004 | US20040055773 Conduit-ready terminal cover |
| 03/25/2004 | US20040055328 Scroll compressor and refrigerating system using ammonia group refrigerant |
| 03/25/2004 | DE10341104A1 Sealing system for spiral compressor has a ring seal on the back of the spiral support disc supported on an intermediate inner wall and containing a pressure space between the seal and a shaft seal |
| 03/24/2004 | EP1400765A2 Screw refrigerating apparatus |
| 03/24/2004 | EP1399677A1 Two-stage helical screw compressor |
| 03/24/2004 | EP0997645B1 Scroll type fluid machine |
| 03/24/2004 | CN1143062C Sealed compressor having pipe connectors and method of joining pipe connectors to sealed casing |
| 03/24/2004 | CN1143060C 涡旋压缩机 Scroll Compressor |
| 03/23/2004 | US6709247 Scroll compressor having a deflectable bearing housing for shaft alignment |