| 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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| 11/23/2000 | WO2000070222A1 Piston vacuum pump |
| 11/21/2000 | US6149392 Getter pump with high gas sorption velocity |
| 11/16/2000 | DE19921711A1 Piston vacuum pump has pistons mounted on and coupled to crankshaft so that complete or approximately complete balancing of oscillating inertial forces (first order forces) is achieved |
| 11/15/2000 | EP0865595B1 Low-temperature refrigerator with cold head, and use thereof |
| 11/08/2000 | EP1050681A1 Trap device and trap system |
| 11/08/2000 | CN1272914A Pulse pipe refrigerating machine and cryopump using refrigerating machine |
| 11/08/2000 | CN1272616A High efficiency steam coagulator in vacuum device |
| 11/07/2000 | US6142742 Getter pump module and system |
| 11/01/2000 | CN2403914Y Non-oil vacuum pump |
| 10/26/2000 | WO2000063557A1 Piston vacuum pump with a gas inlet and a gas outlet |
| 10/25/2000 | EP1045990A1 Temperature-responsive mobile shielding device between a getter pump and a molecular pump |
| 10/19/2000 | WO2000061832A1 Method and getter devices for use in deposition of thin layers |
| 10/19/2000 | WO2000061437A1 Volumetric vacuum control |
| 10/19/2000 | DE19917009A1 Vacuum piston pump has gas inlet valve which is pressure controlled and installed so that it opens during suction stroke, and preferably during first phase of it |
| 10/10/2000 | US6129532 CO2 compressor |
| 10/05/2000 | DE19913593A1 Controlled pump assembly with high vacuum, pilot pumps has control unit that switches on pilot pump based on pilot pressure, opens valve when pilot pressure exceeds upper threshold |
| 10/04/2000 | EP1041471A2 Remote monitor control device |
| 10/04/2000 | CN1057147C Improved high-capacity getter pump |
| 09/27/2000 | EP1039187A2 Improvements in flame arresters |
| 09/26/2000 | US6123516 Vacuum pump |
| 09/26/2000 | US6122921 Shield to prevent cryopump charcoal array from shedding during cryo-regeneration |
| 09/26/2000 | US6122920 High specific surface area aerogel cryoadsorber for vacuum pumping applications |
| 09/12/2000 | US6116032 Method for reducing particulate generation from regeneration of cryogenic vacuum pumps |
| 08/30/2000 | EP1031640A1 Trap apparatus |
| 08/30/2000 | EP1030971A1 High pressure fuel supply system for natural gas vehicles |
| 08/29/2000 | US6109880 Getter pump module and system including focus shields |
| 08/23/2000 | CN2392927Y Safety callibration table for high-low pressure gas |
| 08/22/2000 | US6106237 Getter pump with one-piece frame supporting nonevaporable getter elements |
| 08/22/2000 | US6105877 Dispensing device |
| 08/10/2000 | DE19859752A1 Pumpeinrichtung zum Fördern von Dämpfen Pump device for conveying vapors |
| 08/03/2000 | WO2000045085A1 Bottom entry pumping system with tertiary containment |
| 08/02/2000 | EP1024290A1 Vacuum pump systems |
| 08/01/2000 | US6097417 Vacuum system for removing ablated particles from media mounted in an internal drum platesetter |
| 07/26/2000 | CN2389241Y High-efficiency vacuum equipment for chemical and medical use |
| 07/25/2000 | US6092373 Cryopump |
| 07/20/2000 | DE10000941A1 Kryopumpe hoher Kapazität Cryopump high capacity |
| 07/13/2000 | WO2000040910A1 Vacuum control system for foam drying apparatus |
| 07/13/2000 | CA2360112A1 Vacuum control system for foam drying apparatus |
| 07/11/2000 | US6088508 Method of operating vacuum pump |
| 06/28/2000 | EP1014427A2 Processing apparatus having integrated pumping system |
| 06/28/2000 | EP1014014A1 Pulse pipe refrigerating machine and cryopump using the refrigerating machine |
| 06/28/2000 | EP1013931A2 Vapour feeding pump |
| 06/28/2000 | EP1012478A2 In situ getter pump system and method |
| 06/20/2000 | US6077046 Getter assembly having porous metallic support and its use in a vacuum apparatus |
| 06/15/2000 | WO2000034656A1 Low pressure ratio piston compressor |
| 06/15/2000 | WO2000034655A1 Compressor arrangement |
| 06/15/2000 | CA2353391A1 Compressor arrangement |
| 06/13/2000 | US6074171 Getter pump especially suitable for the use upstream, in proximity coaxially with respect to a turbomolecular pump |
| 06/13/2000 | CA2128416C High capacity getter pump |
| 06/06/2000 | US6071085 Gas ballast system for a multi-stage positive displacement pump |
| 05/23/2000 | US6065295 Low-temperature refrigerator with cold head and a process for optimizing said cold head for a desired temperature range |
| 05/18/2000 | WO2000028212A1 Method for conveying damp gases by means of a conveyor device and conveyor device for carrying out said method |
| 05/18/2000 | DE19851680A1 Verfahren zum Fördern feuchter Gase mittels einer Fördereinrichtung sowie Fördereinrichtung zum Durchführen dieses Verfahrens A method for conveying moist gases by means of a conveyor and conveyor for carrying out this method |
| 05/17/2000 | EP1000244A1 Method for evacuating a wet gas, treatment device for carrying out this method and suction pump for a treatment device of this type |
| 05/17/2000 | CN1253237A Piezoelectric ceramic pump |
| 05/10/2000 | EP0999292A1 Transport of gases pumped in a vacuum pump or in pipings |
| 05/10/2000 | CN1252844A In situ getter pump system and method |
| 05/03/2000 | EP0996877A1 An apparatus and method for regulating a pressure in a chamber |
| 05/02/2000 | US6056510 Multistage vacuum pump unit |
| 04/27/2000 | WO2000023713A1 Temperature-responsive mobile shielding device between a getter pump and a molecular pump |
| 04/25/2000 | US6053704 Cryogenic vacuum pump system having a cryopanel and a heat absorbing unit |
| 04/18/2000 | US6049997 Heat generation through mechanical molecular gas agitation |
| 03/29/2000 | EP0988969A2 Vaccuum system for removing ablated particles from media mounted in an internal drum platesetter |
| 03/28/2000 | US6043137 Getter pump module and system |
| 03/28/2000 | US6042342 Fluid displacement system |
| 03/14/2000 | USRE36610 Evacuation apparatus and evacuation method |
| 03/01/2000 | CN2366581Y Air compressor for increasing pressure in coal mine |
| 02/29/2000 | US6030181 Vacuum apparatus and a method of controlling a suction speed thereof |
| 02/24/2000 | WO1998048168A3 In situ getter pump system and method |
| 02/16/2000 | CN1244632A Fast vacuum sealer and its manufacture, application and fast sealing method |
| 02/09/2000 | EP0977948A1 Dry vacuum pump |
| 02/09/2000 | CN2363082Y Cold trap with refrigeration machine |
| 02/08/2000 | US6022195 Electronically controlled vacuum pump with control module |
| 02/02/2000 | CN1243563A Vacuum pump |
| 01/20/2000 | WO2000002594A1 Vapor sterilization device |
| 01/19/2000 | EP0972938A2 Gas ballast device for a multistage positive displacement pump |
| 01/13/2000 | DE19831123A1 Gasballasteinrichtung für mehrstufige Verdrängerpumpen Gas ballast for multi-stage displacement pumps |
| 01/13/2000 | DE19830706A1 Vorrichtung zur Dampfsterilisation Apparatus for steam sterilization |
| 01/12/2000 | CN2358248Y 微型空气压缩机 Mini air compressor |
| 01/06/2000 | WO2000000741A1 Plasma vacuum pumping cell |
| 12/23/1999 | DE19826681A1 Gas-absorbent nonvolatile getter material thin films for high vacuum production or gas storage |
| 12/22/1999 | EP0964999A1 Vacuum pump |
| 12/21/1999 | US6004109 Apparatus for the rapid evacuation of a vacuum chamber |
| 12/16/1999 | WO1999064797A1 Pulse pipe refrigerating machine and cryopump using the refrigerating machine |
| 12/14/1999 | US6000415 Method and apparatus for positioning a restrictor shield of a pump in response to an electric signal |
| 12/07/1999 | US5997255 Method for pumping a chamber using an in situ getter pump |
| 12/01/1999 | CN2351589Y Noise-silencing energy-saving air compressor |
| 11/30/1999 | US5993165 In Situ getter pump system and method |
| 11/25/1999 | WO1999060272A1 Device and method for evacuation |
| 11/24/1999 | CN2350558Y Superhigh pressure jet boost pump |
| 11/09/1999 | US5980213 Getter pump module and system |
| 11/09/1999 | US5979075 Heat generation through mechanical molecular gas agitation |
| 11/03/1999 | CN2346956Y Water feeding base of powder spraying water delivery machine |
| 11/03/1999 | CN2346955Y Bleeding manifold branch of molecular pump |
| 11/02/1999 | US5974809 Cryopump with an exhaust filter |
| 10/26/1999 | US5972183 Getter pump module and system |
| 10/26/1999 | US5971711 Vacuum pump control system |
| 10/20/1999 | CN1232527A Fluid displacement system |
| 10/12/1999 | US5965046 Method and apparatus for baking out a gate valve in a semiconductor processing system |
| 09/29/1999 | CN2340937Y Central air sucker for group of pipes |