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Class Information
Number: 373/113
Name: Industrial electric heating furnaces > Resistance furnace device > For cooling
Description: Subject matter including means for lowering the temperature of the resistance furnace device.

Sub-classes under this class:

Class Number Class Name Patents
373/114 Terminal 12

Patents under this class:

Patent Number Title Of Patent Date Issued
7598477 Vacuum muffle quench furnace Oct. 6, 2009
7531769 Carbon fiber composite muffle May. 12, 2009
6947467 Cooling system for heat treating furnace Sep. 20, 2005
6693949 Method and device for operating electric arc furnaces and/or resistance furnaces Feb. 17, 2004
6427462 Semiconductor manufacturing facility, semiconductor manufacturing apparatus and semiconductor manufacturing method Aug. 6, 2002
6365877 Blackbody furnace Apr. 2, 2002
6028882 Claus unit cooling and heat recovery system Feb. 22, 2000
5502742 Heat treating furnace with removable floor, adjustable heating element support, and threaded ceramic gas injection nozzle Mar. 26, 1996
5478985 Heat treat furnace with multi-bar high convective gas quench Dec. 26, 1995
5267257 Vacuum furnace with convection heating and cooling Nov. 30, 1993
5173921 Apparatus and process for activation of carbon by electrical resistance heating in the presence of steam Dec. 22, 1992
5135047 Furnace for high quality and superconducting bulk crystal growths Aug. 4, 1992
4847859 Device and method for cooling a high temperature furnace Jul. 11, 1989
4734127 Process and apparatus for refining aluminum Mar. 29, 1988
4702696 High temperature vacuum furnace Oct. 27, 1987
4362501 Process and arrangement for the zonal heating or cooling of elongate treatment members Dec. 7, 1982
4286111 Apparatus for interconnecting a power supply to an electrode within a chamber containing fluid maintained at a high temperature and pressure Aug. 25, 1981
4280807 Autoclave furnace with cooling system Jul. 28, 1981
4199545 Fluid-wall reactor for high temperature chemical reaction processes Apr. 22, 1980
4141483 Method and apparatus for fabricating polymetallic articles by solid-state diffusion bonding process Feb. 27, 1979
4133969 High frequency resistance melting furnace Jan. 9, 1979
4131419 Furnace for the high temperature-high pressure treatment of materials which includes pressure medium circulation channels Dec. 26, 1978
4095804 Sealing means for high temperature, high pressure, cylindrical furnaces Jun. 20, 1978
4022446 Quenching in hot gas isostatic pressure furnace May. 10, 1977
4015068 Graphitization furnace Mar. 29, 1977
4003697 Pressure furnace for treating products at high temperature and high pressure Jan. 18, 1977
3989883 Furnace installation operated by direct electrical heating according to the resistance principle, in particular for the preparation of silicon carbide Nov. 2, 1976
3976829 Collector apparatus for gaseous reaction products Aug. 24, 1976

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