PatentsDB
This page is not indexed by search engines while we improve data quality.

Rotors with adjustable blades

Rotors with adjustable blades · Cooperative Patent Classification (CPC)

Engines, pumps, lighting, heating, and mechanical systems.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeF04D15/0055
Official title{Rotors with adjustable blades}
Display labelRotors with adjustable blades
Total patents13

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
20171
20181
20193
20211
20222
20243
20252

Representative patents

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