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Class Information
Number: 266/149
Name: Metallurgical apparatus > With means treating or handling gases exhausted by treating means > By condensing and collecting a volatile constituent > Within evacuated chamber
Description: Device wherein said phase change is effected within a vacuum environment.

Patents under this class:

Patent Number Title Of Patent Date Issued
8404177 System for recovery of cadmium telluride (CdTe) from system components used in the manufacture of photovoltaic (PV) modules Mar. 26, 2013
8034283 Rotary hearth furnace and method of operating the same Oct. 11, 2011
7753987 High vacuum in-situ refining method for high-purity materials and an apparatus thereof Jul. 13, 2010
7381383 Treating apparatus, treating method and method of treating soil Jun. 3, 2008
6838045 Apparatus for metal purification Jan. 4, 2005
6533990 Apparatus for distilling molten baths Mar. 18, 2003
6444164 Apparatus for producing high-purity silver materials Sep. 3, 2002
6409790 Method and apparatus for practicing carbonaceous-based metallurgy Jun. 25, 2002
6375893 Method and apparatus for evaporating components of multiple substance mixtures and multiple substance systems Apr. 23, 2002
5891216 Oven mercury retorting device Apr. 6, 1999
5698158 Vacuum distillation apparatus for producing ultra high purity material Dec. 16, 1997
5529605 Method and apparatus for removing mercury from contaminated pipes and installation parts, in particular mercury introduced by natural gas Jun. 25, 1996
5350438 Method and apparatus for removing plated metal from steel sheet scraps Sep. 27, 1994
5324487 Vacuum-suction degassing apparatus Jun. 28, 1994
5320666 Low pressure contaminant extraction Jun. 14, 1994
5306472 Vacuum-suction degassing method and an apparatus therefor Apr. 26, 1994
5222547 Intermediate pressure electron beam furnace Jun. 29, 1993
5131634 Sublimer-reactor system with weighing means Jul. 21, 1992
5098069 Equipment and regulating means for recovering metal-carbide scrap by alloying Mar. 24, 1992
5078789 Continuous vacuum distillation and furnace therefor Jan. 7, 1992
5035404 Retort assembly for kroll reductions Jul. 30, 1991
4888052 Producing volatile metals Dec. 19, 1989
4850575 Apparatus for manufacturing a sintered body with high density Jul. 25, 1989
4842643 Apparatus for, purifying a melt, which, besides one or more impurities, essentially contains a light metal, in particular aluminum Jun. 27, 1989
4842254 Apparatus for purifying lithium Jun. 27, 1989
4708190 Treating metals and/or metallic compounds Nov. 24, 1987
4564174 Device for the recovery of mercury Jan. 14, 1986
4508322 Apparatus for preparing high melting point high toughness metals Apr. 2, 1985
4468011 Device for the recovery of mercury Aug. 28, 1984
4447045 Apparatus for preparing high-melting-point high-toughness metals May. 8, 1984
4440384 Retort pipe seal Apr. 3, 1984
4407488 Distillation and sublimation apparatus comprising a condenser Oct. 4, 1983
4403769 Vacuum separator Sep. 13, 1983
4344793 Mercury removal process and apparatus Aug. 17, 1982
4254943 Apparatus for removing mercury from solid waste material Mar. 10, 1981
4200264 Apparatus for obtaining Mg and Ca through carbon reduction Apr. 29, 1980
4146774 Planar reactive evaporation apparatus for the deposition of compound semiconducting films Mar. 27, 1979
4105192 Process and apparatus for producing zirconium sponge Aug. 8, 1978
4077799 Method and apparatus of refining crude cadmium Mar. 7, 1978
4045006 Apparatus for continuous vacuum-refining of metals Aug. 30, 1977
4027861 Apparatus for continuous vacuum-refining of metals Jun. 7, 1977
4010937 Method and apparatus of refining crude cadmium Mar. 8, 1977

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