Means for extinguishing or preventing arc between current-carrying parts

Means for extinguishing or preventing arc between current-carrying parts · 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 codeH01H33/04
Official titleMeans for extinguishing or preventing arc between current-carrying parts
Display labelMeans for extinguishing or preventing arc between current-carrying parts
Total patents110

Filing trend

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

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
20159
201611
201713
201813
201911
20209
202112
20228
20238
202410
20255
20261

Representative patents

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

Frequently asked questions

Answers are generated from the same data shown on this page.

What is CPC H01H33/04?
CPC H01H33/04 is the Cooperative Patent Classification code for “Means for extinguishing or preventing arc between current-carrying parts.”
How many patents are filed under CPC H01H33/04 (Means for extinguishing or preventing arc between current-carrying parts)?
Our database includes 110 publications tagged with this CPC code.
Is patent activity under CPC H01H33/04 growing?
Publication counts under this code: 10 in 2024 vs 5 in 2025 (latest complete years).