DIFF Subgroup
H05B 3/62 Heating elements specially adapted for furnaces (H05B3/60 takes precedence; arrangements of elements for electric heating in or on furnaces using ohmic resistance heating F27D11/02)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Heating elements specially adapted for furnaces
CPC: Heating elements specially adapted for furnaces (H05B3/60 takes precedence; arrangements of elements for electric heating in or on furnaces using ohmic resistance heating F27D11/02)
Full Title
Full titles differ between systems:
IPC:
Ohmic-resistance heating > Heating elements specially adapted for furnaces
CPC:
Ohmic-resistance heating > Heating elements specially adapted for furnaces (H05B3/60 takes precedence; arrangements of elements for electric heating in or on furnaces using ohmic resistance heating F27D11/02)
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
Child Classifications
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- H05B 3/66 Supports or mountings for heaters on or in the wall or roof IPC+CPC Available in IPC and CPC