| Patents for F04B 37 - Pumps specially adapted for elastic fluids and having pertinent characteristics not provided for in, or of interest apart from, groups (3,029) |
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| 04/13/2004 | US6718775 Dual chamber cooling system with cryogenic and non-cryogenic chambers for ultra high vacuum system |
| 04/07/2004 | CN1487200A 流体泵系统 Fluid pump system |
| 04/01/2004 | WO2003089791A8 Vacuum pump |
| 03/31/2004 | EP1403515A2 Reciprocating compressor |
| 03/31/2004 | EP0922166B1 Piston vacuum pump with discharge valve |
| 03/30/2004 | US6712586 Gas suction pump device, gas feed adapter and gas alarm unit |
| 03/25/2004 | US20040057842 Reciprocating compressor |
| 03/18/2004 | US20040050073 Process, apparatus, and kit for assembling and disassembling a cryogenic pump |
| 03/18/2004 | DE4491062B4 Cryogene Vakuumpumpe mit elektronisch gesteuerter bzw. geregelter Regeneration Cryogenic vacuum pump with an electronically controlled or regulated regeneration |
| 03/17/2004 | EP1398509A2 Vacuum pump |
| 03/17/2004 | EP1398507A2 Multistage Roots-type vacuum pump |
| 03/17/2004 | EP1398506A2 Hermetic multistage vacuum pump |
| 03/11/2004 | US20040047755 Vacuum pump |
| 03/10/2004 | EP1396636A2 Fluid pump system |
| 03/10/2004 | EP1045990B1 Temperature-responsive mobile shielding device between a getter pump and a molecular pump |
| 03/10/2004 | CN1480646A Compressor |
| 03/09/2004 | US6702557 Valve assembly prohibiting re-expansion of residual fluid |
| 03/04/2004 | WO2004018947A1 Very low temperature refrigerator |
| 03/04/2004 | US20040042957 Method and apparatus for providing pressurized hydrogen gas |
| 03/04/2004 | DE10222130A1 Verfahren zur Erzeugung eines Vakuums und Vakuumpumpe zur Durchführung dieses Verfahrens A method for producing a vacuum and vacuum pump for carrying out this method |
| 03/03/2004 | EP1392973A1 Multi-stage piston-type vacuum pump and method for operating this pump |
| 03/02/2004 | US6698233 Active sorption thermal storage container |
| 02/26/2004 | US20040035110 Method and system for exchanging earth energy between earthly bodies and an energy exchanger, especially to produce an electric current |
| 02/26/2004 | DE10331189A1 Suction air producing device for printing press, has movable air delivery unit accommodated on sheet holding device, and actuating unit fixed to machine frame, which is movable relative to sheet holding device |
| 02/18/2004 | EP1203158B1 Method and compressor module for compressing a gas stream |
| 02/12/2004 | WO2004013493A2 Process and apparatus for assembling and disassembling a cryogenic pump |
| 02/12/2004 | US20040028532 Oscillation piston pump |
| 02/12/2004 | US20040026850 Sheet-Processing machine having a suction air producing device |
| 02/12/2004 | DE19826681B4 Verfahren zur Herstellung von neuartigen Getter-Werkstoffen in Form dünner metallischer und kohlenstoffhaltiger nanostrukturierter Schichten und Verwendung derselben zur Hochvakuumerzeugung und Gasspeicherung Process for the preparation of novel getter materials in the form of thin metal and carbonaceous nanostructured layers, and use thereof for producing a high vacuum and gas storage, |
| 02/12/2004 | DE19519841B4 Flügelzellenpumpe Vane pump |
| 02/10/2004 | US6688854 Compression apparatus |
| 02/05/2004 | WO2004011701A1 Dual chamber integrated phase separator for ultra high vacuum system |
| 02/05/2004 | US20040020219 Dual chamber integrated phase separator for ultra high vacuum system |
| 02/03/2004 | CA2084842C Process and apparatus for generating a vacuum |
| 01/22/2004 | US20040013529 Mechanical kinetic vacuum pump |
| 01/21/2004 | CN1469983A Method and system for exchanging earth energy between earthly bodies an energy exchanger, especially to produce an electric current |
| 01/20/2004 | US6679677 Vacuum pump |
| 01/20/2004 | US6679676 Temperature control with constant cooling flow and temperature for vacuum generating device |
| 01/07/2004 | CN1133813C Vacuum pump |
| 12/24/2003 | WO2003106844A1 A ultrahigh vacuum pump and a hydraulic method for compressing gas into water in three dimensions |
| 12/17/2003 | CN1461883A Method of vacuum-puming |
| 12/16/2003 | US6662831 Depression container |
| 12/16/2003 | US6662591 Electro-desorption compressor |
| 12/11/2003 | WO2003101576A1 Cold trap with rapid regeneration |
| 12/11/2003 | DE10225774C1 Vacuum pump, for condensing and aggressive gases, is a dry pump with a membrane pump stage and a spiral scroll pump stage |
| 12/03/2003 | EP1367260A2 A vacuum pumping system and method of controlling the same |
| 12/02/2003 | US6655938 Screw-type dry vacuum pump having an enlarged casing portion |
| 12/02/2003 | US6655154 Operation method and operation apparatus for multi-system refrigerators, and refrigerating apparatus |
| 12/02/2003 | CA2339606C Evacuation and inert gas introduction apparatus |
| 11/27/2003 | WO2003098045A1 Method for producing a vacuum and a vacuum pump for implementing this method |
| 11/26/2003 | CN2588074Y Hand driven negative pressure pump |
| 11/25/2003 | US6652241 Method and compressor module for compressing a gas stream |
| 11/19/2003 | EP1363027A1 Vacuum pump |
| 11/11/2003 | US6644931 System for pumping low thermal conductivity gases |
| 11/06/2003 | US20030207030 Easily loaded and unloaded getter device for reducing evacuation time and contamination in a vacuum chamber and method for use of same |
| 11/05/2003 | CN2584861Y Vacuum generating device |
| 10/30/2003 | WO2003089791A1 Vacuum pump |
| 10/30/2003 | WO2003078838B1 Vacuum pump control device, and vacuum device |
| 10/28/2003 | US6637321 Bottle cap for vacuum preservation |
| 10/22/2003 | CN2581726Y Hand vacuum pump |
| 10/15/2003 | CN2580140Y Titanium sublimation pump power source |
| 10/15/2003 | CN1124411C Piezoelectric ceramic pump |
| 09/25/2003 | WO2003078838A1 Vacuum pump control device, and vacuum device |
| 09/18/2003 | US20030175126 Flywheel system with parallel pumping arrangement |
| 09/18/2003 | US20030172713 Trap apparatus |
| 09/16/2003 | US6620297 Porous getter devices with reduced particle loss and method for manufacturing same |
| 09/09/2003 | US6616417 Spatter ion pump |
| 09/04/2003 | US20030165707 Porous getter devices with reduced particle loss and method for manufacturing same |
| 09/04/2003 | US20030163929 Compressor unit, provided with an adsorption dryer and adsorption dryer therefor |
| 08/27/2003 | EP1135608B1 Compressor arrangement |
| 08/27/2003 | CN1119594C Multi-step pressure reducing apparatus |
| 08/14/2003 | US20030150220 Continuous cryopump with a device to chip and remove ice from the cryopump chamber |
| 08/06/2003 | EP1333411A2 Gas suction pump device gas feed adapter and gas alarm unit |
| 08/06/2003 | EP1333187A2 Exhaust apparatus with control means for a multistage labyrinth seal of a hydrostatic bearing used in vacuum |
| 08/06/2003 | CN1434211A Gas suction pump device, gas feed adapter and gas alarm unit |
| 07/31/2003 | US20030141667 Exhaust apparatus and control method for same, and vacuum-use hydrostatic bearing |
| 07/30/2003 | EP1330606A1 Mechanical kinetic vacuum pump |
| 07/30/2003 | EP1330561A2 Integrated phase separator for ultra high vacuum system |
| 07/29/2003 | US6599108 Vacuum pump |
| 07/24/2003 | US20030138329 Gas suction pump device, gas feed adapter and gas alarm unit |
| 07/23/2003 | CN1431397A Method of fast extracting containers for realizing medium vacuum or microvac inside container and its combination machine set |
| 07/22/2003 | US6595758 Method for conveying damp gases by means of a conveyor device and a conveyor device for carrying out said method |
| 07/17/2003 | WO2003057340A1 Panels for pulse tube cryopump |
| 07/16/2003 | EP1327111A1 Method and system for exchanging earth energy between earthly bodies and an energy exchanger, especially to produce an electric current |
| 07/09/2003 | CN2559808Y 立式活塞往复真空机 Vertical reciprocating piston vacuum machine |
| 07/09/2003 | CN1429128A Compressor unit provided with adsorption dryer and adsorption dryer therefor |
| 07/08/2003 | US6590280 Disk-like gettering unit, integrated circuit, encapsulated semiconductor device, and method for manufacturing the same |
| 07/08/2003 | US6589599 Easily loaded and unloaded getter device for reducing evacuation time and contamination in a vacuum chamber and method for use of same |
| 07/08/2003 | US6589023 Device and method for reducing vacuum pump energy consumption |
| 07/03/2003 | US20030123997 Device for delivering moist gases |
| 07/02/2003 | EP1322795A1 Porous getter devices with reduced particle loss and method for their manufacture |
| 07/02/2003 | CN2558783Y Electric vacuum-pumping device |
| 06/12/2003 | WO2003048577A1 Double action pump |
| 06/11/2003 | CN2555420Y Hydrostatic gage |
| 06/11/2003 | CN1423054A Fluid compression apparatus |
| 06/11/2003 | CN1423053A Hydraulic apparatus |
| 06/05/2003 | US20030103855 Fluid compressing apparatus |
| 06/05/2003 | US20030103854 Apparatus for compressing fluid |
| 06/05/2003 | US20030101699 Exhaust gas filtration device and auxiliary filtration device |
| 05/28/2003 | CN2553137Y Differential pressure controlled vacuum pump |