Switching devices actuated by an explosion produced within the device and initiated by an electric current

Switching devices actuated by an explosion produced within the device and initiated by an electric current · 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 codeH01H39/00
Official titleSwitching devices actuated by an explosion produced within the device and initiated by an electric current
Display labelSwitching devices actuated by an explosion produced within the device and initiated by an electric current
Total patents189

Filing trend

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

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
20154
20166
20179
20188
201923
202028
202121
202219
202326
202420
202522
20263

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 H01H39/00?
CPC H01H39/00 is the Cooperative Patent Classification code for “Switching devices actuated by an explosion produced within the device and initiated by an electric current.”
How many patents are filed under CPC H01H39/00 (Switching devices actuated by an explosion produced within the device and initiated by an electric current)?
Our database includes 189 publications tagged with this CPC code.
Is patent activity under CPC H01H39/00 growing?
Publication counts under this code: 20 in 2024 vs 22 in 2025 (latest complete years).