PatentsDB
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with special cross-section, e.g. with corrugations on both sides, with ribs, flanges, or the like (E04D3/35 takes precedence)

with special cross-section, e.g. with corrugations on both sides, with ribs, flanges, or the like (E04D3/35 takes precedence) · Cooperative Patent Classification (CPC)

Building, mining, and civil engineering structures.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeE04D3/24
Official titlewith special cross-section, e.g. with corrugations on both sides, with ribs, flanges, or the like (E04D3/35 takes precedence)
Display labelwith special cross-section, e.g. with corrugations on both sides, with ribs, flanges, or the like (E04D3/35 takes precedence)
Total patents23

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
20161
20173
20182
20192
20204
20212
20222
20243
20252
20262

Representative patents

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