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Class Information
Number: 373/155
Name: Industrial electric heating furnaces > Induction furnace device > Coreless > Lining
Description: Subject matter including material covering the interior surface of the crucible, or furnace.










Patents under this class:

Patent Number Title Of Patent Date Issued
7730745 Vitrification furnace with dual heating means Jun. 8, 2010
7675959 Systems and methods of electromagnetic influence on electroconducting continuum Mar. 9, 2010
7503188 Vitrification furnace with dual heating means Mar. 17, 2009
7195479 Hot liner insertion/removal fixture Mar. 27, 2007
6996153 Core-type furnace Feb. 7, 2006
6501784 Thermal insulation to be inserted between two insulating structures Dec. 31, 2002
6214286 Hybrid induction skull melting Apr. 10, 2001
5902509 Method and apparatus for inductively heating a refractory shaped member May. 11, 1999
5901170 Induction furnace May. 4, 1999
5896410 Compact furnace design Apr. 20, 1999
5889813 Levitation melting furnace Mar. 30, 1999
5588019 High performance induction melting coil Dec. 24, 1996
5495495 Dense lining for coreless induction furnace Feb. 27, 1996
5418811 High performance induction melting coil May. 23, 1995
5416795 Quick change crucible for vacuum melting furnace May. 16, 1995
5410567 Optical fiber draw furnace Apr. 25, 1995
5384804 Heat shielding cladding Jan. 24, 1995
5339329 Induction heated meniscus coating vessel Aug. 16, 1994
5319671 Prewarning device for induction melting furnace Jun. 7, 1994
5283805 Segmented cold-wall induction melting crucible Feb. 1, 1994
5280496 Induction furnace with cooled crucible Jan. 18, 1994
5280495 Furnace refractory extraction system and method Jan. 18, 1994
5272720 Induction heating apparatus and method 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
5257281 Induction heating apparatus and method Oct. 26, 1993
5218615 Furnace lining and lining brick therefor with improved heat absorbing characteristics Jun. 8, 1993
5134629 Inductor loop coating Jul. 28, 1992
4900249 Aluminum reverberatory furnace lining Feb. 13, 1990
4823359 Furnance having dense refractory oxide liner Apr. 18, 1989
4675879 Induction furnaces Jun. 23, 1987
4643890 Perforated reactor tube for a fluid wall reactor and method of forming a fluid wall Feb. 17, 1987
4618964 Ladle or tundish Oct. 21, 1986
4610017 High frequency induction melting furnace and process for the production of ceramic materials using this furnace Sep. 2, 1986
4608473 Modified zirconia induction furnace Aug. 26, 1986
4580273 Electrical induction crucible furnace for die casting Apr. 1, 1986
4550412 Carbon-free induction furnace Oct. 29, 1985
4503304 Inductive heating device having a plurality of heating coil units Mar. 5, 1985
4478676 Method for decreasing radial temperature gradients of crystal growth melts utilizing radiant energy absorptive materials and crystal growth chambers comprising such materials Oct. 23, 1984
4471488 Direct induction melting device for dielectric substances of the glass or enamel type Sep. 11, 1984
4469925 Inductive heating device utilizing a heat insulator Sep. 4, 1984
4450333 Zirconia induction furnace May. 22, 1984
4351058 Induction crucible furnace and method for its preparation Sep. 21, 1982
4321446 Apparatus for production of graphite fibers Mar. 23, 1982
4269887 Ceramic fiber felt May. 26, 1981
4201882 Induction melting furnace May. 6, 1980











 
 
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