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Structures deriving their rigidity from concertina folds

Structures deriving their rigidity from concertina folds · 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 codeE04B1/345
Official title{Structures deriving their rigidity from concertina folds}
Display labelStructures deriving their rigidity from concertina folds
Total patents14

Filing trend

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

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
20161
20171
20182
20192
20203
20221
20232
20241
20251

Representative patents

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