Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01D - Separation › B01D 8 - Cold traps; Cold baffles
Patents for B01D 8 - Cold traps; Cold baffles (787)
08/2000
08/23/2000EP1028792A1 Freezing a gas component in a gas mixture
08/08/2000US6099649 Chemical vapor deposition hot-trap for unreacted precursor conversion and effluent removal
05/2000
05/16/2000US6063197 Trap for capturing waste by-product generated by a chemical vapor deposition system
04/2000
04/18/2000US6051053 Trapping device and method of operation therefor
04/05/2000EP0990107A1 Methods and apparatus to generate liquid ambulatory oxygen from an oxygen concentrator
04/05/2000EP0804360B1 Recondensation of gaseous hydrocarbons
03/2000
03/29/2000EP0688595B1 System for filtering residual contaminant particles for smokes and gas through atomized ultrafreezing
03/08/2000CN2367614Y Throttle-freezing type carbon deoxide remover
02/2000
02/15/2000CA2136382C Process for removing elemental sulfur from a gas stream
01/2000
01/26/2000EP0721553B1 Cryogenic control of emission of solvent vapors from mixers
12/1999
12/29/1999WO1999067621A1 Device for sampling volatile species traces present in a gaseous atmosphere
12/08/1999CN1238031A Self-cleaning cryogenic refrigeration system
11/1999
11/17/1999EP0956142A1 Liquid cooled trap patent application
11/09/1999US5979440 Methods and apparatus to generate liquid ambulatory oxygen from an oxygen concentrator
11/09/1999US5979179 Controlled cooling, heating
11/03/1999CN1046096C Process for removing elemental sulfur from gas stream
10/1999
10/13/1999EP0948723A1 Self-cleaning cryogenic refrigeration system
09/1999
09/28/1999US5958138 Gas recovery unit
09/22/1999EP0841980B1 Device and method for purifying a gas or vapour flow
09/14/1999US5951820 Compound is evaporated, passed through inner tube of heat exchanger to be precipitated, the heat exchanger is heated to re-evaporate compound, and the re-evaporated compound is precipitated in a filling container, cooled
08/1999
08/25/1999CN2334904Y Integral heat-exchanger for separating moisture from air
07/1999
07/01/1999WO1999032686A1 Gas trap for cvd apparatus
06/1999
06/16/1999EP0921846A1 On-line recovery of xenon from anaesthetic gas
06/02/1999CN2321510Y Back-flow type sodium vapour trap for instrument and meter
05/1999
05/20/1999WO1999024136A1 Freezing a gas component in a gas mixture
05/20/1999DE19749836A1 Ausfrieren einer Gaskomponente aus einem Gasgemisch Freeze out of a gas component from a gas mixture
05/04/1999US5900822 For monitoring the electrical power input to a load
04/1999
04/21/1999CN1214638A Combination cryopump/getter pump and method for regenerating same
04/14/1999EP0820569A4 Self-cleaning low temperature refrigeration system
03/1999
03/30/1999US5887438 Low profile in line cryogenic water pump
02/1999
02/24/1999EP0897734A1 Multi-component recovery apparatus and method
02/10/1999EP0895484A1 Combination cryopump/getter pump and method for regenerating same
01/1999
01/27/1999EP0892662A1 Throttle cycle cryopumping system for group i gases
01/19/1999US5860294 Recondensation of gaseous hydrocarbons
01/05/1999US5855118 Combination cryopump/getter pump and method for regenerating same
12/1998
12/23/1998WO1998058219A1 Methods and apparatus to generate liquid ambulatory oxygen from an oxygen concentrator
12/02/1998EP0881451A2 Process and device for improving heat transfer
12/02/1998CN1200479A Method and apparatus for improving heat transfer
11/1998
11/03/1998CA2168832C Cryogenic vapor recovery process and system
10/1998
10/13/1998US5820641 Fluid cooled trap
09/1998
09/15/1998US5807410 Process for removing elemental sulfur from a gas stream
09/01/1998US5799509 Multi-component recovery apparatus and method
08/1998
08/05/1998EP0856714A2 Process and apparatus for removing condensable components from gases or gas mixtures
07/1998
07/07/1998US5775109 Enhanced cooldown of multiple cryogenic refrigerators supplied by a common compressor
06/1998
06/17/1998EP0847790A1 Trapping device and method of operation therefor
05/1998
05/20/1998EP0841980A1 Device and method for purifying a gas or vapour flow
05/13/1998EP0841087A2 A system and process for pelletizing products
03/1998
03/26/1998WO1998012468A1 Self-cleaning cryogenic refrigeration system
03/10/1998US5724832 Self-cleaning cryogenic refrigeration system
03/05/1998WO1998008583A1 On-line recovery of xenon from anaesthetic gas
03/05/1998DE19635002A1 Verfahren zur Online-Rückgewinnung von Xenon aus Narkosegas A method for on-line recovery of anesthetic gas xenon from
02/1998
02/25/1998EP0825402A2 Cryogenic system for producing nitrogen
01/1998
01/28/1998EP0820569A1 Self-cleaning low temperature refrigeration system
01/07/1998EP0816530A1 A method of purifying an organo-metallic compound
01/06/1998US5704227 Heat exchanger
01/06/1998US5704214 Vacuum exhaust system for sucking and discharging exhaust gas
12/1997
12/23/1997US5699672 Refrigeration method and apparatus
12/16/1997US5697228 Gas manufacture
11/1997
11/18/1997US5687574 Throttle cycle cryopumping system for Group I gases
11/05/1997EP0804360A1 Recondensation of gaseous hydrocarbons
10/1997
10/22/1997EP0516758B1 Absorption vapor pressure enhancement process and its applications in high level refrigeration and separation processes
10/08/1997CN1161442A Gas mfr.
10/02/1997WO1997035652A1 Combination cryopump/getter pump and method for regenerating same
10/02/1997CA2250453A1 Combination cryopump/getter pump and method for regenerating same
09/1997
09/18/1997WO1997033671A1 Throttle cycle cryopumping system for group i gases
08/1997
08/14/1997WO1997028886A1 Liquid cooled trap patent application
07/1997
07/29/1997US5651667 Cryopump synchronous motor load monitor
07/24/1997CA2240423A1 Method and apparatus for removing condensate from combustion analyzer sample
07/08/1997US5644923 System for filtering residual contaminant particles for smoke and gas through atomized ultrafreezing
06/1997
06/17/1997US5638698 Cryogenic system for producing nitrogen
05/1997
05/21/1997EP0774634A2 Gas manufacture
05/21/1997CN1150240A Gas recovery unit
05/07/1997EP0771887A1 Gas recovery unit
04/1997
04/08/1997US5617739 Self-cleaning low-temperature refrigeration system
04/08/1997US5617727 Controlled multiple storage vessel gas trap
03/1997
03/19/1997EP0721553A4 Cryogenic control of emission of solvent vapors from mixers
02/1997
02/25/1997US5605054 Apparatus for reclaiming refrigerant
02/12/1997EP0757918A2 Gas recovery unit
01/1997
01/28/1997US5596876 Miniaturized cryogenic trap apparatus
01/03/1997WO1997000117A1 Device and method for purifying a gas or vapour flow
01/02/1997EP0750932A2 Volatile organic compounds recovery from vent gas streams
01/01/1997CN1139196A Cryogenic vapor recovery process and system
11/1996
11/13/1996EP0742040A1 Process and apparatus for waste gas cleaning using heat exchangers
11/07/1996WO1996034669A1 Shielded cryogenic trap
10/1996
10/22/1996US5566555 Hydrocarbons
10/17/1996DE19513602A1 Solid particles and/or fluid droplet sepn. from fluid
10/16/1996EP0737499A1 A method of condensing a volatile compound out of a gas stream and an apparatus for this purpose
10/03/1996WO1996030695A1 Self-cleaning low temperature refrigeration system
09/1996
09/25/1996EP0733390A2 Cryogenic vapour recovery process and system
09/11/1996EP0731323A2 Method for producing cold with air as refrigerant and as primary coolant
08/1996
08/28/1996EP0641238B1 Cryogenic waterpump
07/1996
07/30/1996US5540057 Volatile organic compounds recovery from vent gas streams
07/25/1996WO1996022221A1 Recondensation of gaseous hydrocarbons
07/25/1996CA2209794A1 Recondensation of gaseous hydrocarbons
07/23/1996US5537833 Shielded cryogenic trap
07/17/1996EP0721553A1 Cryogenic control of emission of solvent vapors from mixers
07/09/1996US5533338 Cryogenic vapor recovery process and system
04/1996
04/16/1996US5507147 Condensation and absorption
04/09/1996US5505829 Molecular separation method and apparatus
03/1996
03/26/1996US5501080 Self-contained cryogenic gas sampling apparatus and method
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