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 codeH01L21/02172
Official title
Display labelElectricity (mapped technology topic)
Total patents381

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
201523
201628
201734
201838
201944
202049
202136
202239
202343
202421
202519
20267

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 H01L21/02172?
CPC H01L21/02172 is the Cooperative Patent Classification code for “Electricity.”
How many patents are filed under CPC H01L21/02172 (Electricity)?
Our database includes 381 publications tagged with this CPC code.
Is patent activity under CPC H01L21/02172 growing?
Publication counts under this code: 21 in 2024 vs 19 in 2025 (latest complete years).