Having means for contacting a solid metalliferous material or metal object with a liquid > With heating means, e.g., flame contact > By electric heating means > Patents

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Class Information
Number: 266/128
Name: Metallurgical apparatus > Having means for contacting a solid metalliferous material or metal object with a liquid > With heating means, e.g., flame contact > By electric heating means
Description: Device wherein the heat to treat the material is produced by a current passing through a conductive medium.

Sub-classes under this class:

Class Number	Class Name	Patents
266/129	Inductance type	127

Patents under this class:

Patent Number	Title Of Patent	Date Issued
5567381	Hybrid heat treating furnace	Oct. 22, 1996
5485985	Method and apparatus for heat treating	Jan. 23, 1996
5097114	Low-voltage heating device	Mar. 17, 1992
4428563	Apparatus for spot annealing tubing	Jan. 31, 1984
4245819	Apparatus for stabilizing springs	Jan. 20, 1981
4240616	Apparatus for heat-treating metallic material	Dec. 23, 1980
4234168	Apparatus for producing low-oxygen iron-base metallic powder	Nov. 18, 1980
4222554	Electric salt bath furnace	Sep. 16, 1980
3969154	Catastrophic failure of metals	Jul. 13, 1976