Rotorcraft; Rotors peculiar thereto

Rotorcraft; Rotors peculiar thereto · 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 codeB64C27/00
Official titleRotorcraft; Rotors peculiar thereto
Display labelRotorcraft; Rotors peculiar thereto
Total patents295

Filing trend

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

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
201528
201628
201722
201824
201935
202028
202124
202238
202321
202422
202522
20263

Representative patents

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

Frequently asked questions

Answers are generated from the same data shown on this page.

What is CPC B64C27/00?
CPC B64C27/00 is the Cooperative Patent Classification code for “Rotorcraft; Rotors peculiar thereto.”
How many patents are filed under CPC B64C27/00 (Rotorcraft; Rotors peculiar thereto)?
Our database includes 295 publications tagged with this CPC code.
Is patent activity under CPC B64C27/00 growing?
Publication counts under this code: 22 in 2024 vs 22 in 2025 (latest complete years).