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having elongated hollow cores

having elongated hollow cores · 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 codeE04B5/043
Official title{having elongated hollow cores}
Display labelhaving elongated hollow cores
Total patents6

Filing trend

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

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
20181
20212
20221
20231
20241

Representative patents

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