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characterised by use of turntables or rotary rings

characterised by use of turntables or rotary rings · 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	E04H6/40
Official title	characterised by use of turntables or rotary rings
Display label	characterised by use of turntables or rotary rings
Total patents	7

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

Filing activity appears stable based on the most recent years.

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