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IPC Subgroup
H05B 3/48

heating conductor embedded in insulating material

Introduced: September 1968

Last revised: January 2006

Full Title

Ohmic-resistance heating > Heating elements having the shape of rods or tubes > non-flexible > heating conductor embedded in insulating material

Classification Context

Section:
ELECTRICITY
Class:
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Subclass:
ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL

2 direct subcodes

Child Classifications

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  • H05B 3/5 heating conductor arranged in metal tubes, the radiating surface having heat-conducting fins
  • H05B 3/52 Apparatus or processes for filling or compressing insulating material in tubes