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with multiple layers of profiled spacer sheets

with multiple layers of profiled spacer sheets · Cooperative Patent Classification (CPC)

Building, mining, and civil engineering structures.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
Metric	Value
CPC code	E04C2002/3472
Official title	{with multiple layers of profiled spacer sheets}
Display label	with multiple layers of profiled spacer sheets
Total patents	4

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

Filing activity appears stable based on the most recent years.

Patents filed per year
Year	Patents
2018	2
2021	2

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