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of specified materials, or of combinations of materials, not covered by any one of groups E04D3/26 - E04D3/32

of specified materials, or of combinations of materials, not covered by any one of groups E04D3/26 - E04D3/32 · 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 codeE04D3/34
Official titleof specified materials, or of combinations of materials, not covered by any one of groups E04D3/26 - E04D3/32
Display labelof specified materials, or of combinations of materials, not covered by any one of groups E04D3/26 - E04D3/32
Total patents17

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
20164
20171
20181
20213
20221
20232
20243
20251
20261

Representative patents

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