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Rotor or rotor head construction (for helicopters B64C27/32)

Rotor or rotor head construction (for helicopters B64C27/32) · Cooperative Patent Classification (CPC)

Separating, mixing, shaping, printing, and transporting materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeB64C27/021
Official title{Rotor or rotor head construction (for helicopters B64C27/32)}
Display labelRotor or rotor head construction (for helicopters B64C27/32)
Total patents12

Filing trend

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

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
20161
20181
20194
20202
20211
20221
20241
20251

Representative patents

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