Emergency protective circuit arrangements for limiting excess current or voltage without disconnection

Emergency protective circuit arrangements for limiting excess current or voltage without disconnection · 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 codeH02H9/00
Official titleEmergency protective circuit arrangements for limiting excess current or voltage without disconnection
Display labelEmergency protective circuit arrangements for limiting excess current or voltage without disconnection
Total patents261

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
201525
201618
201715
201820
201930
202030
202138
202223
202329
202415
202517
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 H02H9/00?
CPC H02H9/00 is the Cooperative Patent Classification code for “Emergency protective circuit arrangements for limiting excess current or voltage without disconnection.”
How many patents are filed under CPC H02H9/00 (Emergency protective circuit arrangements for limiting excess current or voltage without disconnection)?
Our database includes 261 publications tagged with this CPC code.
Is patent activity under CPC H02H9/00 growing?
Publication counts under this code: 15 in 2024 vs 17 in 2025 (latest complete years).