| 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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| 10/17/2002 | WO2002081915A1 Method and device for generation of a vacuum |
| 10/17/2002 | DE10116824A1 Verfahren und Vorrichtung zur Erzeugung von Unterdruck Method and device for generating negative pressure |
| 10/15/2002 | US6464466 Trap apparatus |
| 10/10/2002 | US20020145259 Directional, low-leakage seal assembly |
| 10/10/2002 | DE10115394A1 Maschinenbauteil und/oder verfahrenstechnische Anlage mit einem Hohlraum und Reinigungsverfahren hierfür Machine component and / or process plant having a cavity and cleaning method therefor |
| 10/08/2002 | US6461113 Electronically controlled vacuum pump |
| 10/08/2002 | US6460351 Electronically controlled cryopump |
| 10/04/2002 | CA2379648A1 Directional, low leakage seal assembly |
| 10/02/2002 | EP1245830A2 Multi-cylinder compressor |
| 09/25/2002 | EP1243795A1 A two-stage vacuum pump |
| 09/25/2002 | EP0964999B1 Vacuum pump |
| 09/19/2002 | US20020131870 System for pumping low thermal conductivity gases |
| 09/19/2002 | DE10112243A1 Displacement device for gas refrigeration machines has width of annular gap in direction of hot chamber of machine selected within defined limits over different sections of piston length |
| 09/18/2002 | EP1240433A1 Dry compressing vacuum pump having a gas ballast device |
| 09/12/2002 | DE10110368A1 Vacuum pump has outlet connector with openings in base of circumferential slot to form an opening and closing passage, and elastic O-ring fitted in slot forms valve element while defining faces of slot form valve seat |
| 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 | EP1000244B1 Method for evacuating a wet gas, treatment device for carrying out this method and suction pump for a treatment device of this type |
| 09/11/2002 | CN2510647Y 特种往复式真空泵 Special reciprocating pumps |
| 09/10/2002 | US6446651 Multi-chamber vacuum system and a method of operating the same |
| 08/28/2002 | CN1366706A Spatter ion pump |
| 08/27/2002 | US6438967 Cryocooler interface sleeve for a superconducting magnet and method of use |
| 08/27/2002 | US6438966 Cryocooler interface sleeve |
| 08/21/2002 | EP1232344A1 Vacuum pump comprising an outlet |
| 08/15/2002 | US20020108569 Vacuum pump |
| 08/14/2002 | EP1231383A1 Vacuum pump |
| 08/08/2002 | US20020106285 Temperature control with constant cooling flow and temperature for vacuum generating device |
| 08/08/2002 | US20020104320 Electronically controlled cryopump |
| 08/07/2002 | EP1131558B1 Method for conveying damp gases by means of a conveyor device and conveyor device for carrying out said method |
| 07/31/2002 | EP1177132A4 Volumetric vacuum control |
| 07/23/2002 | US6422825 Plasma vacuum pumping cell |
| 07/23/2002 | US6422824 Getting assembly for vacuum display panels |
| 07/18/2002 | US20020094277 Electronically controlled vacuum pump |
| 07/18/2002 | US20020093003 Porous getter devices with reduced particle loss and method for manufacturing same |
| 07/11/2002 | WO2002053957A1 Leak control valve |
| 07/11/2002 | US20020090309 Vacuum pump |
| 06/20/2002 | WO2002024983A3 Integrated phase separator for ultra high vacuum system |
| 06/19/2002 | CN1354364A Titanium pump leak detector and leak detection method |
| 06/13/2002 | US20020071777 Dual stage compressor |
| 06/05/2002 | EP1211424A2 Vacuum pump |
| 05/22/2002 | EP1206641A1 Membrane pump |
| 05/16/2002 | US20020057964 Screw-type dry vacuum pump |
| 05/16/2002 | US20020056311 Trap apparatus |
| 05/15/2002 | EP1205666A2 Screw-type dry vacuum pump |
| 05/15/2002 | EP1205223A1 Trap apparatus |
| 05/15/2002 | CN2491627Y Full automatic biochemical analyzer vacuum pump |
| 05/15/2002 | CN1349565A Method and getter devices for use in deposition of thin layers |
| 05/08/2002 | EP1203158A1 Method and compressor module for compressing a gas stream |
| 05/08/2002 | DE10053664A1 Mechanische kinetische Vakuumpumpe Mechanical kinetic vacuum pump |
| 05/02/2002 | WO2002035100A1 Mechanical kinetic vacuum pump |
| 05/02/2002 | US20020051712 UHV compatible lead through, device and procedure for highly effective production of nuclear spin polarized 3He at high polarization |
| 05/02/2002 | US20020050294 Evacuation and inert gas introduction apparatus |
| 05/02/2002 | EP1201979A2 Evacuation and inert gas introduction apparatus |
| 05/02/2002 | EP1201927A2 Vacuum pump |
| 05/01/2002 | CN1083940C Multi-step pressure reducing apparatus and method |
| 04/25/2002 | WO2002033332A1 Method and system for exchanging earth energy between earthly bodies and an energy exchanger, especially to produce an electric current |
| 04/25/2002 | WO2002012725A3 Pump with reversible port function |
| 04/25/2002 | WO2001069144A3 Hydrogen compressor |
| 04/25/2002 | DE10051232A1 Device for collecting pastes, liquids, gases and other mobile objects e.g. in environmental protection, in medicine and in biology comprises a pump cylinder divided into a front and a rear partial chamber |
| 04/25/2002 | CA2424753A1 Method and system for exchanging earth energy between earthly bodies and an energy exchanger, especially for current gerneration |
| 04/24/2002 | EP1199476A2 Vacuum pump |
| 04/17/2002 | CN1083059C Improved high-capacity aspirator pump |
| 04/16/2002 | US6371737 Conveying pumped gases in a vacuum pump or in pipes |
| 04/10/2002 | CN2485447Y Vaccum pump |
| 04/09/2002 | US6368371 Trap device and trap system |
| 04/09/2002 | US6367267 Integrated phase separator for ultra high vacuum system |
| 04/04/2002 | WO2002027058A1 Porous getter devices with reduced particle loss and method for their manufacture |
| 03/28/2002 | WO2002024983A2 Integrated phase separator for ultra high vacuum system |
| 03/28/2002 | US20020037633 Disk-like gettering unit, integrated circuit, encapsulated semiconductor device, and method for manufacturing the same |
| 03/27/2002 | CN1081746C 压缩机 Compressor |
| 03/26/2002 | US6361618 Methods and apparatus for forming and maintaining high vacuum environments |
| 03/19/2002 | US6359411 Displacement machine for compressible media |
| 03/19/2002 | US6358024 High capacity supply pump with simultaneous directly actuated plungers |
| 02/28/2002 | US20020025254 Depression container |
| 02/28/2002 | US20020023440 Cryopump system with modular electronics |
| 02/28/2002 | DE10135153A1 Unterdruckbehälter Vacuum tank |
| 02/27/2002 | EP1181449A1 Pump cylinder and method of collecting pasty materials, liquids, gases and/or mobile objects |
| 02/21/2002 | DE10039214A1 Cryogenic fluid pump uses pulsed hot wire can deliver small fluid volume is reliable |
| 02/20/2002 | CN1079498C Oil distribution gear pumps with integrated air separator |
| 02/19/2002 | US6347925 Flywheel system with parallel pumping arrangement |
| 02/14/2002 | WO2002012725A2 Pump with reversible port function |
| 02/12/2002 | US6345965 Dual stage compressor |
| 02/12/2002 | CA2203904C In situ getter pump system and method |
| 02/06/2002 | EP1177382A1 Piston vacuum pump |
| 02/06/2002 | EP1177132A1 Volumetric vacuum control |
| 02/06/2002 | CN1334903A Low pressure ratio piston compressor |
| 01/17/2002 | US20020005046 Electro-desorption compressor |
| 01/10/2002 | WO2002002943A1 Flywheel system with parallel pumping arrangement |
| 01/10/2002 | US20020004016 Gas supplying device for vacuum pump |
| 01/09/2002 | EP1170505A2 Vacuum Pump |
| 01/09/2002 | EP1169572A1 Piston vacuum pump with a gas inlet and a gas outlet |
| 01/09/2002 | EP1169489A1 Method and getter devices for use in deposition of thin layers |
| 01/09/2002 | CN2470573Y Air-inflating, vacuumizing dual-purpose pump |
| 01/02/2002 | CN1077236C Getter pump of single-piece supporting framework with plurality of parallel non-evaporable getter elements |
| 01/02/2002 | CN1077216C Gas compressor or expansion machine |
| 12/20/2001 | WO2001096744A1 Temperature control with constant cooling flow and temperature for vacuum generating device |
| 12/18/2001 | US6330801 Method and system for increasing cryopump capacity |
| 12/12/2001 | CN2464962Y Reciprocative vacuum pump |
| 12/12/2001 | CN2464961Y Electric pneumatic pump with suction function |
| 12/11/2001 | US6328536 Reciprocating low pressure ratio compressor |
| 12/11/2001 | US6327863 Cryopump with gate valve control |