Patent classifications
H
ELECTRICITY
Load children
H05
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Load children
H05B
ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
Load children
H05B3/10
Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
Load children Filter patents View analytics View as hierarchy
H05B3/12
characterised by the composition or nature of the conductive material
Load children Filter patents View analytics View as hierarchy
H05B3/14
the material being non-metallic
Load children Filter patents View analytics View as hierarchy