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the switching device being a gas-filled tube having a control electrode

the switching device being a gas-filled tube having a control electrode · Cooperative Patent Classification (CPC)

Electric circuits, power, telecommunications, and semiconductors.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeH03K3/55
Official titlethe switching device being a gas-filled tube having a control electrode
Display labelthe switching device being a gas-filled tube having a control electrode
Total patents4

Filing trend

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

Filing activity appears stable based on the most recent years.

Patents filed per year
YearPatents
20151
20211
20221
20231

Representative patents

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