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Class Information
Number: 373/142
Name: Industrial electric heating furnaces > Induction furnace device > For charging or discharging
Description: Subject matter including means to supply charge material to the furnace, or means to let out the heated charge from the furnace.










Sub-classes under this class:

Class Number Class Name Patents
373/143 By tilting 19


Patents under this class:
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Patent Number Title Of Patent Date Issued
8571085 Induction furnace for the controllable melting of powder/granular materials Oct. 29, 2013
8350198 Heating and melting of materials by electric induction heating of susceptors Jan. 8, 2013
8317897 Method for supersonically injecting oxygen into a furnace Nov. 27, 2012
8320427 Cold walled induction guide tube Nov. 27, 2012
7796674 Cold crucible induction furnace Sep. 14, 2010
7388896 Induction melter apparatus Jun. 17, 2008
7368690 Method of and apparatus for processing of semi-solid metal alloys May. 6, 2008
7197061 Directional solidification of a metal Mar. 27, 2007
6993061 Operating an induction melter apparatus Jan. 31, 2006
6831939 Dual use of an induction furnace to produce hot metal or pig iron while processing iron and volatile metal containing materials Dec. 14, 2004
6819704 Induction melting furnace with metered discharge Nov. 16, 2004
6600768 Induction melting furnace with metered discharge Jul. 29, 2003
6596221 Metallurgical vessel having a tapping device and method for the controlled, slag-free extraction of molten metal from said vessel Jul. 22, 2003
6523598 Vacuum induction melting system Feb. 25, 2003
6507598 Induction heating furnace and bottom tapping mechanism thereof Jan. 14, 2003
6487234 Induction heating furnace and bottom tapping mechanism thereof Nov. 26, 2002
6436336 Replaceable drain electroslag guide Aug. 20, 2002
6409791 Metallothermal process and continuous drawing, in cold induction furnaces, of metals or alloys Jun. 25, 2002
6385231 Induction heating furnace and bottom tapping mechanism thereof May. 7, 2002
6360810 Vacuum induction melting system Mar. 26, 2002
6307875 Induction heating furnace and bottom tapping mechanism thereof Oct. 23, 2001
6226314 Assembly of a tapping device and a cooled inductor May. 1, 2001
6221123 Process and apparatus for melting metal Apr. 24, 2001
6219372 Guide tube structure for flux concentration Apr. 17, 2001
6185243 Glass induction melting furnace using a cold crucible Feb. 6, 2001
6144690 Melting method using cold crucible induction melting apparatus Nov. 7, 2000
6101212 Sealed evacuatable crucible for inductive melting or superheating Aug. 8, 2000
6097750 Electroslag refining hearth Aug. 1, 2000
6052403 Inductor in a fusion tank Apr. 18, 2000
6049560 Inductively heated side drain for high temperature molten materials Apr. 11, 2000
5901169 Apparatus for discharging molten matter from cold crucible induction melting furnace May. 4, 1999
5889813 Levitation melting furnace Mar. 30, 1999
5872352 Swingable induction heating chamber for melting ingot for metal casting Feb. 16, 1999
5809057 Electroslag apparatus and guide Sep. 15, 1998
5563904 Process for melting an electroconductive material in a cold crucible induction melting furnace and melting furnace for carrying out the process Oct. 8, 1996
5559827 Vacuum melting-pressure pouring induction furnace Sep. 24, 1996
5526375 Method and apparatus for the semi-continuous melting and discharging of ceramic material in an induction melting furnace with sintering crust crucible Jun. 11, 1996
5487873 Method and apparatus for treating hazardous waste or other hydrocarbonaceous material Jan. 30, 1996
5479438 Apparatus for fusing a solid layer of electrically conductive material Dec. 26, 1995
5430757 Method and apparatus for the semi-continuous melting and discharging of ceramic material in an induction melting furnace with sintering crust crucible Jul. 4, 1995
5425047 Closed induction furnace with a tilting apparatus Jun. 13, 1995
5416793 Induction melting apparatus sealed against the atmosphere May. 16, 1995
5367532 Furnace for the continuous melting of oxide mixtures by direct induction with high frequency, a very short refining time and a low energy consumption Nov. 22, 1994
5343492 Closed induction furnace for the melting and casting of substances Aug. 30, 1994
5341394 Furnace for melting materials with low melting point with improved casting duct Aug. 23, 1994
5272718 Method and apparatus for forming a stream of molten material Dec. 21, 1993
5268925 Method and apparatus for the semi-continuous melting and discharging of ceramic material in an induction melting furnace with singering crust crucible Dec. 7, 1993
5222096 Induction furnace for melting and casting purposes with an enclosed crucible pot Jun. 22, 1993
5131005 Melting apparatus having double wall structure Jul. 14, 1992
5121406 Induction melting furnace Jun. 9, 1992

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