Cases; Covers

Cases; Covers · 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 codeH01H23/04
Official titleCases; Covers
Display labelCases; Covers
Total patents145

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
20156
20168
201711
20189
201911
202017
202116
202219
202319
202416
202510
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 H01H23/04?
CPC H01H23/04 is the Cooperative Patent Classification code for “Cases; Covers.”
How many patents are filed under CPC H01H23/04 (Cases; Covers)?
Our database includes 145 publications tagged with this CPC code.
Is patent activity under CPC H01H23/04 growing?
Publication counts under this code: 16 in 2024 vs 10 in 2025 (latest complete years).