| Patents for B01D 8 - Cold traps; Cold baffles (787) |
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| 02/08/1996 | DE4427184A1 Cryogenically cleaning Xenon Fluoride Excimer laser gas mixts. |
| 02/06/1996 | US5488833 Tangential flow cold trap |
| 02/01/1996 | DE19527557A1 Cleaning process gases esp. prior to continuous analysis |
| 01/16/1996 | US5483803 High conductance water pump |
| 12/27/1995 | EP0688595A1 System for filtering residual contaminant particles for smokes and gas through atomized ultrafreezing |
| 11/13/1995 | CA2149167A1 Compressed air system to deliver dry and clean air |
| 11/08/1995 | EP0681154A1 Process to separate gaseous substances from air, containing a high proportion of substances having a low boil point |
| 09/13/1995 | CN1108146A A process for removing elemental sulfur from a gas stream |
| 07/13/1995 | WO1995018666A1 System for filtering residual contaminant particles for smokes and gas through atomized ultrafreezing |
| 07/12/1995 | EP0662333A2 Process for the separation of gaseous substances particularly from high loaded air especially technical gases |
| 07/04/1995 | US5430752 Apparatus for purifying laser gas |
| 07/04/1995 | US5428963 Compressed air system to deliver dry and clean air |
| 06/06/1995 | US5422081 Trap device for vapor phase reaction apparatus |
| 05/31/1995 | EP0655414A1 A process for removing elemental sulfur from a gas stream |
| 05/23/1995 | US5417848 Coalescence separator with changeable coalescence element |
| 05/16/1995 | US5415224 Apparatus for cold drying of gas |
| 05/02/1995 | US5411707 Condensation in columns with valves |
| 04/27/1995 | DE4335888A1 Evaporation device for sample extracts in trace analysis by means of DC, GC, HPLC, GC/MS, UV and other methods |
| 04/06/1995 | WO1995009321A1 Cryogenic control of emission of solvent vapors from mixers |
| 03/29/1995 | CA2132486A1 Cryogenic control of emission of solvent vapors from mixers |
| 01/17/1995 | CA2095838C Vapor collecting apparatus |
| 11/29/1994 | US5367881 Cryogenically condensing the vapors at a rate approximating their evaporation |
| 09/27/1994 | US5349833 Cryotrap for air pollution analyzer |
| 09/14/1994 | EP0614687A1 Method and apparatus for recovering multicomponent vapor mixtures |
| 08/02/1994 | US5333461 Pollution control; mixing collectable material ino liquid cryogenic material, evaporating cryogenic liquid while condensing collectable material, venting cryogenic material |
| 04/26/1994 | US5305610 Process and apparatus for producing nitrogen and oxygen |
| 04/19/1994 | US5303558 Thermal trap for gaseous materials |
| 03/10/1994 | DE4325745A1 Coalescence separator for separation of fine oil water mixtures |
| 03/09/1994 | EP0585689A1 Coalescence separator |
| 03/08/1994 | US5291751 Cryo-mechanical vapor recovery apparatus |
| 03/05/1994 | CA2105642A1 Coalescence separator |
| 01/11/1994 | CA1325995C Process for the separation of hf via azeotropic distillation |
| 12/08/1993 | EP0409945B1 Process and device for evacuating the content of gas spaces of large containers containing pollutant substances |
| 11/25/1993 | WO1993023133A1 Cryogenic waterpump |
| 11/25/1993 | CA2136107A1 Cryogenic waterpump |
| 11/24/1993 | EP0516758A4 Absorption vapor pressure enhancement process and its applications in high level refrigeration and separation processes |
| 11/16/1993 | US5261250 Method and apparatus for recovering multicomponent vapor mixtures |
| 11/16/1993 | US5261244 Cryogenic waterpump |
| 11/09/1993 | US5259735 Evacuation system and method therefor |
| 08/04/1993 | EP0553706A1 Installation for drying gases by cooling |
| 08/03/1993 | US5231772 Apparatus and process for recovering solvents |
| 08/01/1993 | CA2087996A1 Apparatus for cold drying of gas |
| 07/27/1993 | CA1320646C Cryo-slammer |
| 05/04/1993 | US5207069 To avoid dewing during pressurization of a vacuum chamber |
| 12/22/1992 | CA1311620C Cryo-slamming apparatus and method for ultrarapid cooling of biological samples |
| 12/09/1992 | EP0516758A1 Absorption vapor pressure enhancement process and its applications in high level refrigeration and separation processes. |
| 10/28/1992 | EP0510656A2 Evacuation system and method therefor |
| 09/29/1992 | US5150576 Vapor collecting apparatus |
| 09/08/1992 | US5144807 Hydrocarbon recovery; cryogenic cooling with liquid nitrogen |
| 08/04/1992 | US5136605 Apparatus for purifying laser gas |
| 05/17/1992 | WO1992008937A1 Vapor collecting apparatus |
| 04/07/1992 | US5101637 Refrigerant recovery device |
| 04/01/1992 | EP0477813A1 Method of removing pollutants in the form of gases, vapours or aerosols from a gaseous effluent |
| 03/17/1992 | US5096673 Natural gas treating system including mercury trap |
| 01/28/1992 | US5083445 Cryopump |
| 12/17/1991 | US5072592 Gas cleaner |
| 12/04/1991 | EP0459019A2 Fast cycle cryogenic flex probe |
| 11/27/1991 | CN1056564A Multiple effect absorption refrigeration processes and apparatuses for use therein |
| 10/29/1991 | US5061306 Multiple effect absorption refrigeration processes and apparatuses for use therein |
| 10/02/1991 | DE3936834A1 Solvent recovery process during continuous audio- or video-tape mfr. |
| 09/05/1991 | WO1991013301A1 Absorption vapor pressure enhancement process and its applications in high level refrigeration and separation processes |
| 09/05/1991 | CA2079895A1 Absorption vapor pressure enhancement process and its applications in high level refrigeration and separation processes |
| 09/03/1991 | US5044165 Cryo-slammer |
| 08/21/1991 | EP0442146A1 Process for recovery of hydrocarbons |
| 05/21/1991 | US5017240 Vapor treatment facilities for petroleum storage tank cleaning |
| 04/30/1991 | CA1283600C Abatement of vapors from gas steams by solidification |
| 04/23/1991 | US5009073 Fast cycle cryogenic flex probe |
| 03/20/1991 | EP0417592A2 Device and process of the recuperation of solvents |
| 02/12/1991 | US4992083 Apparatus for intermediate enrichment of trace substances from a gas stream in a cold trap, and chromatography arrangement provided therewith |
| 01/01/1991 | US4982050 Natural gas treating system including mercury trap |
| 12/18/1990 | US4977749 Apparatus and method for purification of gases used in exciplex (excimer) lasers |
| 10/23/1990 | US4964278 Method of separating condensible vapors from particles in highly compressed gases |
| 09/19/1990 | EP0388252A2 Method of separating condensible vapors from particles in highly compressed gases |
| 09/06/1990 | CA2011474A1 Method of separating condensible vapors from particles in highly compressed gases |
| 08/23/1990 | DE3903938A1 Verfahren zur entsorgung der gasrauminhalte von grossvolumigen behaeltern bei umweltbelastenden inhaltstoffen A method for disposal of the gas chamber contents of large-volume containers with polluting materials content |
| 08/11/1990 | WO1990009343A1 Process and device for evacuating the content of gas spaces of large containers containing pollutant substances |
| 08/11/1990 | CA2026665A1 Method and arrangement for the disposal of gas space contents of large-volume containers in the case of components which load the environment |
| 08/01/1990 | EP0379992A1 Cryopump |
| 06/28/1990 | DE3841519A1 Cold trap with rotating magnetic field |
| 06/26/1990 | US4936953 Cold trap vapor control device |
| 06/20/1990 | EP0373738A2 Improved cryo-slammer |
| 05/30/1990 | EP0370702A1 Apparatus comprising a high vacuum chamber |
| 05/30/1990 | EP0370360A2 Apparatus for the intermediate enriching of trace elements from a gas stream in a cold trap |
| 05/29/1990 | US4928497 Sodium purification from its hydride and oxide |
| 05/17/1990 | CA2001825A1 Methods and articles for collecting a refrigerant vented from a heat exchange system |
| 05/08/1990 | US4922973 Collecting vessels for collecting refrigerants from heat exchange systems and methods |
| 04/25/1990 | EP0364633A1 Cryo-slamming apparatus and method for ultrarapid cooling of biological samples |
| 03/27/1990 | US4911792 Process for the separation of HF via phase separation and distillation |
| 02/07/1990 | EP0353970A1 Process for the separation of HF via phase separation and distillation |
| 01/16/1990 | US4893792 Cold trap |
| 01/09/1990 | US4892653 Cold trap for the purification of liquid metals containing dissolved impurities |
| 12/20/1989 | EP0346379A1 Method for recovering volatile compounds from atmosphere |
| 12/19/1989 | US4887434 Apparatus for the cryogenic enrichment of trace substances of a gas stream |
| 10/17/1989 | US4873833 Apparatus comprising a high-vacuum chamber |
| 09/19/1989 | US4867952 Cracking traps for process gas components having a condensed phase |
| 09/07/1989 | DE3810390C1 Apparatus for eliminating moisture from a pipe grid of a sprinkler system for a cold room |
| 09/05/1989 | US4863871 Method and device for adjusting the cooling temperature of a sample trap in an apparatus for gas chromatographic analysis |
| 08/29/1989 | US4860546 Vacuum system with molecular flow line |
| 06/07/1989 | EP0319409A1 Cold trap for the purification of liquid metals with zones of separated traps |
| 06/06/1989 | US4835974 Process for the removal of impurities from exhaust gases |