Electricity

Electricity · 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 codeH01M4/366
Official title
Display labelElectricity (mapped technology topic)
Total patents14,003

Filing trend

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

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
2015695
2016764
2017859
2018862
20191,116
20201,314
20211,203
20221,390
20231,588
20241,801
20251,977
2026434

Representative patents

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

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Frequently asked questions

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

What is CPC H01M4/366?
CPC H01M4/366 is the Cooperative Patent Classification code for “Electricity.”
How many patents are filed under CPC H01M4/366 (Electricity)?
Our database includes 14,003 publications tagged with this CPC code.
Is patent activity under CPC H01M4/366 growing?
Publication counts under this code: 1,801 in 2024 vs 1,977 in 2025 (latest complete years).
H01M4/366 | PatentsDB