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Tubulations therefor, e.g. for exhausting; Closures therefor

Tubulations therefor, e.g. for exhausting; Closures therefor · Cooperative Patent Classification (CPC)

Electric circuits, power, telecommunications, and semiconductors.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
Metric	Value
CPC code	H01J7/22
Official title	Tubulations therefor, e.g. for exhausting; Closures therefor
Display label	Tubulations therefor, e.g. for exhausting; Closures therefor
Total patents	4

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

Filing activity appears to be growing based on the most recent years.

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