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Lamps as heat source, i.e. heating elements with protective gas envelope, e.g. halogen lamps

Lamps as heat source, i.e. heating elements with protective gas envelope, e.g. halogen lamps · Cooperative Patent Classification (CPC)

Electric circuits, power, telecommunications, and semiconductors.

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Mapped technology topics for this CPC code.

CPC classification statistics
Metric	Value
CPC code	H05B3/744
Official title	{Lamps as heat source, i.e. heating elements with protective gas envelope, e.g. halogen lamps}
Display label	Lamps as heat source, i.e. heating elements with protective gas envelope, e.g. halogen lamps
Total patents	4

Year-over-year patent counts classified under this CPC code.

Filing activity appears stable based on the most recent years.

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.