Hinged covers or doors

Hinged covers or doors · 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 codeH02B1/38
Official titleHinged covers or doors
Display labelHinged covers or doors
Total patents217

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
201517
201618
201713
201821
201942
202020
202116
202222
202318
202417
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 H02B1/38?
CPC H02B1/38 is the Cooperative Patent Classification code for “Hinged covers or doors.”
How many patents are filed under CPC H02B1/38 (Hinged covers or doors)?
Our database includes 217 publications tagged with this CPC code.
Is patent activity under CPC H02B1/38 growing?
Publication counts under this code: 17 in 2024 vs 10 in 2025 (latest complete years).