| Patents for F04B 39 - Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups (22,436) |
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| 03/16/2004 | US6705843 NVH and gas pulsation reduction in AC compressor |
| 03/16/2004 | US6705839 Control system and method for air compressor |
| 03/16/2004 | US6705207 Piston type compressor |
| 03/11/2004 | WO2004020833A1 Inlet piece for a liquid-injected compressor element |
| 03/11/2004 | WO2004020824A1 Method of producing bearings |
| 03/11/2004 | US20040048131 Seal-leak detector arrangement for compressors and other equipment |
| 03/11/2004 | US20040047755 Vacuum pump |
| 03/11/2004 | US20040047751 Reciprocating compressor |
| 03/11/2004 | US20040047750 Reciprocating compressor |
| 03/11/2004 | US20040047745 Air compressor assembly having enclosed unpainted air tank |
| 03/11/2004 | US20040047744 Air compressor assembly with continuous auto drain tank |
| 03/11/2004 | US20040047740 Method for manufacturing air compressor assembly |
| 03/11/2004 | US20040047739 Multi-cylinder compressors and methods for designing such compressors |
| 03/11/2004 | DE4119731B4 Ventilanordnung für einen hermetisch dichten Kompressor, insbesondere einen Kühlkompressor Valve assembly for a hermetic compressor, particularly a refrigerant compressor |
| 03/11/2004 | DE20314499U1 Rückschlagventil für Vakuumpumpen Check valve for vacuum pumps |
| 03/10/2004 | EP1396636A2 Fluid pump system |
| 03/10/2004 | EP1396635A2 Bearing support for electric motor driven compressor |
| 03/10/2004 | EP1395755A1 Multi-stage piston-type compressor |
| 03/10/2004 | EP1395754A1 Single-step or multi-step piston compressor |
| 03/10/2004 | CN1481492A Stirling refrigecating machine |
| 03/10/2004 | CN1480788A Analyzing system of exposuring device, analyzing method, and program, and semiconductor element mfg. method |
| 03/10/2004 | CN1480649A 往复式压缩机 Reciprocating Compressors |
| 03/10/2004 | CN1480648A 往复式压缩机 Reciprocating Compressors |
| 03/10/2004 | CN1480647A 往复式压缩机 Reciprocating Compressors |
| 03/10/2004 | CN1480646A Compressor |
| 03/10/2004 | CN1141533C Refrigerator |
| 03/09/2004 | US6702557 Valve assembly prohibiting re-expansion of residual fluid |
| 03/09/2004 | US6702067 Piston compressor, particularly hermetically enclosed refrigerant compressor |
| 03/09/2004 | CA2327570C Combination sight glass and sump oil level sensor for a hermetic compressor |
| 03/06/2004 | CA2437641A1 Locomotive air compressor with an electric motor supported by an external bearing |
| 03/04/2004 | WO2004018874A1 Valve assembly of reciprocating compressor |
| 03/04/2004 | US20040042919 Reciprocating piston compressor for a gaseous medium |
| 03/04/2004 | US20040042914 Reciprocating compressor |
| 03/04/2004 | US20040042909 Compression feed for high humidity fuel gas |
| 03/04/2004 | US20040042905 Air treatment enclosure |
| 03/04/2004 | US20040040412 Crank Shaft |
| 03/04/2004 | US20040040331 Compressor |
| 03/04/2004 | DE10301779A1 Kolbenverdichter Reciprocating compressor |
| 03/03/2004 | EP1394413A1 Piston compressor with reduced size |
| 03/03/2004 | EP1394411A2 Swash plate type variable displacement compressor |
| 03/03/2004 | EP1394410A2 Compressor having reduced pressure pulsation |
| 03/03/2004 | EP1394409A2 Compressor |
| 03/03/2004 | EP1394239A1 Cyclic thioamides as additives for lubricating oils |
| 03/03/2004 | EP1392976A1 System for supply of a pressurised gas and method for verifying that a compressor is active in a system for supply of a pressurised gas |
| 03/03/2004 | EP1392975A1 System for supply of compressed air and vehicle including a system for supply of compressed air |
| 03/03/2004 | EP1392974A1 Suction muffler for a reciprocating hermetic compressor |
| 03/03/2004 | EP1392973A1 Multi-stage piston-type vacuum pump and method for operating this pump |
| 03/03/2004 | EP1194692B1 Hermetic motor-driven compressor |
| 03/03/2004 | CN1479839A Mounting structure of piston pin for hermetic compressor |
| 03/03/2004 | CN1479021A 往复式压缩机 Reciprocating Compressors |
| 03/03/2004 | CN1140702C Linear compressor piston operation assembly and its manufacturing method |
| 03/02/2004 | US6700273 Gas transfer machine |
| 03/02/2004 | US6698232 Oil leak diversion and collection system for mechanical shaft seals |
| 02/26/2004 | US20040037725 Reciprocating compressor |
| 02/26/2004 | US20040037712 Closed compressor |
| 02/26/2004 | US20040035468 Discharge valve and compressor using the same |
| 02/26/2004 | US20040035385 Single-ended barrel engine with double-ended, double roller pistons |
| 02/25/2004 | EP1390619A1 Reciprocating compressor |
| 02/25/2004 | EP1023537B1 Lubricating system, preferably for refrigerating machinery and comprising a pitot tube pump |
| 02/25/2004 | CN1477309A 往复式压缩机 Reciprocating Compressors |
| 02/25/2004 | CN1139724C Sealed electric compressor |
| 02/24/2004 | US6695602 Bacterial growth inhibition in a circulation system comprising a compressor |
| 02/24/2004 | US6695596 Suction gas valve apparatus of reciprocating compressor |
| 02/24/2004 | US6695592 Compressor provided with pressure relief valve |
| 02/24/2004 | CA2426822C Air compressor assembly with shroud |
| 02/24/2004 | CA2426820C Air compressor assembly with dual cooling fans |
| 02/24/2004 | CA2426800C Air compressor assembly with bearing pocket |
| 02/19/2004 | US20040033151 Compressor having oil returning apparatus |
| 02/19/2004 | US20040033150 Compressor |
| 02/19/2004 | US20040033149 Positive-displacement oil pump |
| 02/19/2004 | US20040031283 Compressor having vibration reducing structure |
| 02/19/2004 | DE20214507U1 Coolant compressor for motor vehicle air conditioning system has associated switching valve with at least one connection made in one piece with coolant compressor and/or integrated into its housing |
| 02/19/2004 | DE19937110B4 Verfahren zur Herstellung eines Kolbens für einen Verdichter mit variabler Leistung A method for producing a piston for a variable-capacity compressor |
| 02/19/2004 | DE19911933B4 Drucklufterzeuger Air compressor |
| 02/18/2004 | EP1389279A1 Suction gas guiding system for reciprocating compressor |
| 02/18/2004 | EP1389278A1 Discharge apparatus for reciprocating compressor |
| 02/18/2004 | EP0906529B1 Activation pin |
| 02/18/2004 | CN1138923C Compressor with oil separating structure |
| 02/18/2004 | CN1138922C Electric power supply device for air compressor |
| 02/17/2004 | US6692240 Cylindrical pump housing with a fan guard mounted on each end of the housing with snap tabs engaging housing recesses |
| 02/17/2004 | US6692239 Reciprocating compressor |
| 02/17/2004 | US6692238 Muffler of compressor |
| 02/17/2004 | US6692236 Two-stage compressor with torque reducing crankshaft |
| 02/17/2004 | US6692205 Compressor incorporated with motor and its cooling jacket |
| 02/17/2004 | US6691823 Suction muffler in reciprocating compressor |
| 02/12/2004 | US20040029744 Cyclic thioamides as additives for lubricating oils |
| 02/12/2004 | US20040028545 Cylinder assembly for a mini air compressor |
| 02/12/2004 | US20040028533 Cylinder housing for air compressor |
| 02/12/2004 | US20040027790 Protective cover mounting apparatus for a hermetic compressor |
| 02/12/2004 | US20040026458 Metering pump, method for its production and device for carrying out the method |
| 02/12/2004 | US20040025686 Piston bore |
| 02/12/2004 | US20040025685 Mounting structure of piston pin for hermetic 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 |
| 02/12/2004 | DE10233302A1 Pumpe Pump |
| 02/11/2004 | EP1387957A1 Reciprocating engine with an articulation arrangement |
| 02/11/2004 | EP1228314B1 Axial piston compressor |
| 02/11/2004 | CN1474055A Protective cover mounting device for closed type compressor |
| 02/11/2004 | CN1474053A Compressor with flexible air suction path structure |
| 02/10/2004 | US6688863 Oil leak prevention structure of vacuum pump |
| 02/10/2004 | US6688859 Fastener mounting arrangement |