Patents
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)
06/1996
06/19/1996CN2229547Y Medical air compressor
06/11/1996US5525044 High pressure gas compressor
06/06/1996WO1996017171A2 Getter pump module and system
06/06/1996CA2485918A1 Getter pump module and system
06/06/1996CA2206264A1 Getter pump module and system
05/1996
05/29/1996CN2228143Y Vacuum-pumping device
05/28/1996US5520002 High speed pump for a processing vacuum chamber
05/21/1996US5517823 Pressure controlled cryopump regeneration method and system
05/09/1996WO1996013620A1 In situ getter pump system and method
05/08/1996EP0710807A2 Compressor refrigeration machine
05/07/1996US5513499 Method and apparatus for cryopump regeneration using turbomolecular pump
05/01/1996EP0708715A1 Heat generation through mechanical molecular agitation
05/01/1996CN1121483A Oil distribution gear pumps with integrated air separators
04/1996
04/18/1996WO1994012792A1 Process and device for reducing the gap between a static part and a movable part
04/18/1996CA2150828A1 Method and a device for reducing the gap between a static and a movable part
04/17/1996EP0650640B1 High-capacity getter pump
04/10/1996EP0332658B1 Enhanced density modified isoplanar process
03/1996
03/27/1996CN1119140A Method and device for potting parts in a vaccum and device for evacuating chambers, vessels or the like
03/07/1996DE4430762A1 Vacuum impregnation with synthetic resin, partic. ignition coils
03/06/1996EP0699277A1 Modified cryogenic diffusion pump
02/1996
02/27/1996US5494410 Manually operable vacuum pump
02/22/1996DE3943640C2 Multistage cold-storage refrigerator using rare-earth alloy e.g for superconducting magnet, computer, SQUID, infrared telescope cooling
02/14/1996CN2219973Y Blade type vacuum pump
01/1996
01/24/1996EP0693626A1 Vacuum chamber for ultra high vacuum processing at high temperatures
01/18/1996DE4443387C1 Twin=step mechanical vacuum pump assembly
01/16/1996US5483803 High conductance water pump
01/09/1996US5482443 Multistage vacuum pump
12/1995
12/26/1995US5477692 Metal sponge for cryosorption pumping applications
12/20/1995EP0524435B1 Compressor supercharger with evaporative cooler
12/20/1995CN1113545A Vertical unoiled reciprocal vacuum pump
12/13/1995EP0686597A1 An apparatus with a container and pump for vacuum unloading of contents
11/1995
11/29/1995EP0684382A1 Cryopump
11/29/1995CN1112648A Step superhigh pressure air pump unit
11/22/1995EP0682749A1 High pressure pump for accurate dosing of liquids
11/14/1995US5465584 Cryopump
11/08/1995CN1111352A Portable GCMS system using getter pump
10/1995
10/18/1995CN2210263Y Single stage single suction arm type centrifugal oil pump
10/17/1995US5458862 Process for purifying exhaust gases, especially from vacuum pyrolysis installations
10/11/1995EP0676549A1 Piston and cylinder devices
10/03/1995US5454426 Thermal sweep insulation system for minimizing entropy increase of an associated adiabatic enthalpizer
09/1995
09/27/1995EP0576512B1 Reciprocating vacuum pumps
09/27/1995CN1109142A Sorption pump
09/20/1995EP0672222A1 Process and device for reducing the gap between a static part and a movable part.
09/20/1995EP0671980A1 Dispensing device
09/19/1995US5450729 Cryopump
09/12/1995US5450316 Electronic process controller having password override
09/12/1995US5449276 Two stage vacuum pump having different diameter interengaging rotors
09/05/1995US5447033 Multi-stage cold accumulation type refrigerator and cooling device including the same
08/1995
08/29/1995US5445502 Vacuum pump having parallel kinetic pump inlet section
08/22/1995US5443548 Cryogenic refrigeration system and refrigeration method therefor
08/22/1995US5443368 Turbomolecular pump with valves and integrated electronic controls
08/09/1995CN2204868Y Piston vacuum pump
06/1995
06/27/1995US5426949 Vacuum vessel having a cooled member
06/20/1995US5426300 In a gas analyzing system
05/1995
05/31/1995CN1103151A Thermally insulating jacket under reversible vacuum
05/23/1995US5417551 Housing arrangement for a synchronous plural motor fluid rotary apparatus
05/03/1995EP0650640A1 High-capacity getter pump.
05/03/1995EP0650639A1 High capacity getter pump.
04/1995
04/27/1995WO1995011381A1 Process for operating a cryopump and vacuum pump system with cryopump and fore-pump
04/11/1995US5405445 Vacuum extraction system for chemical vapor deposition reactor vessel and trapping device incorporated therein
03/1995
03/29/1995EP0645536A1 Sorption pump
03/28/1995US5401298 Sorption pump
03/28/1995US5400604 Cryopump and process for regenerating said cryopump
03/22/1995EP0644576A2 Portable gas chromatograph-mass spectrometer system using getter pump.
03/15/1995EP0643227A1 Vacuum pumps
02/1995
02/07/1995US5387090 Two-stage positive displacement pump
02/07/1995US5386708 Cryogenic vacuum pump with expander speed control
02/02/1995WO1995003186A1 Heat generation through mechanical molecular agitation
02/01/1995EP0636789A1 Method and apparatus for cooling a vacuum device
01/1995
01/11/1995EP0633420A2 Thermally insulating jacket under reversible vacuum
01/09/1995CA2126815A1 Thermally insulating jacket under reversible vacuum
12/1994
12/28/1994EP0631217A1 Device for regulating vacuum
12/27/1994US5375424 Cryopump with electronically controlled regeneration
12/08/1994WO1994028314A1 Modified cryogenic diffusion pump
12/08/1994CA2162593A1 Modified cryogenic diffusion pump
11/1994
11/30/1994EP0626516A1 Two stage positive displacement pump
11/30/1994EP0349577B1 An optimally staged cryopump
11/24/1994WO1994027046A1 Vacuum pump
11/24/1994WO1994021312A3 Portable medical vacuum aspiration device
11/22/1994US5365743 Multi-stage cold accumulation type refrigerator and cooling device including the same
11/08/1994US5362214 Multi-vacuum release for pump
11/01/1994US5360324 Reciprocating vacuum pumps
10/1994
10/25/1994US5358389 Two-stage compression vacuum pump having valved piston and power limiting valve
10/25/1994US5357760 Hybrid cryogenic vacuum pump apparatus and method of operation
10/18/1994US5356275 Device for supplying a multi-stage dry-running vacuum pump with inert gas
10/18/1994US5356270 Ultra high vacuum cryopump relief valve assembly
10/13/1994WO1994012285A3 Dispensing device
10/04/1994US5352097 Vacuum pump
09/1994
09/29/1994WO1994021312A2 Portable medical vacuum aspiration device
09/27/1994US5350275 Turbomolecular pump having vanes with ceramic and metallic surfaces
09/13/1994US5345787 Miniature cryosorption vacuum pump
09/13/1994CA2011816C Cryogas pump
09/06/1994US5343740 High sensitivity leak detection method and apparatus
09/06/1994US5343709 Cryopump
09/06/1994US5343708 Electronically controlled cryopump
09/01/1994WO1994019608A1 Cryogenic vacuum pump with electronically controlled regeneration
08/1994
08/24/1994EP0611888A1 Manually actuated vacuumpump
08/17/1994EP0610666A1 Turbomolecular pump
08/17/1994EP0574442B1 Device for supplying a multi-stage dry-running vacuum pump with inert gas
08/16/1994US5337773 Vacuum-operated draining systems
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