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Class Information
Number: 373/133
Name: Industrial electric heating furnaces > Resistance furnace device > With heating element detail > Non-metallic resistor > Rod-like
Description: Subject matter wherein the resistor heating element has the shape of an elongated cylinder, or bar.

Patents under this class:

Patent Number Title Of Patent Date Issued
8263914 Cartridge heater and method of use Sep. 11, 2012
7838802 Radiation apparatus with capability of preventing heat convection Nov. 23, 2010
7692122 Heat conductor support disc Apr. 6, 2010
7685843 Tin oxide material with improved electrical properties for glass melting Mar. 30, 2010
7576306 Electric heating element that includes a radiant tube Aug. 18, 2009
7439473 Method and arrangement for supporting vertically depending electrical resistance elements Oct. 21, 2008
7378621 Molybdenum silicide type element May. 27, 2008
6850551 Electric heater for molten aluminum Feb. 1, 2005
5946341 Method pertaining to the operation of electric furnaces, and a furnace Aug. 31, 1999
5473141 Radiant tube heating assembly Dec. 5, 1995
5327454 Bridge for connecting cores in a manufacturing equipment of polycrystal silicon Jul. 5, 1994
4554441 Electric heating coil Nov. 19, 1985
4435819 Electrical resistance furnaces Mar. 6, 1984
4392052 Device for carrying electrical resistance elements Jul. 5, 1983
4262192 Molybdenum disilicide resistance wire and support Apr. 14, 1981
4238635 Melting and casting means Dec. 9, 1980
4215233 Heating assembly with vibration dampening shipping supports for graphite heating elements Jul. 29, 1980
4158743 Electric resistance furnace Jun. 19, 1979
4132886 Heating element Jan. 2, 1979
4126757 Multizone graphite heating element furnace Nov. 21, 1978
4117252 High temperature furnace Sep. 26, 1978
4090054 Electrical preheating apparatus May. 16, 1978
4080510 Silicon carbide heater Mar. 21, 1978
4072814 Furnace for melting metal by the Joule effect Feb. 7, 1978
4057396 Fluid-wall reactor for high temperature chemical reaction processes Nov. 8, 1977
4017673 Method and apparatus for graphitization of carbon materials Apr. 12, 1977
3996412 Aluminum melting furnace Dec. 7, 1976

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