Braking propellers, e.g. for measuring the power output of an engine

Braking propellers, e.g. for measuring the power output of an engine · 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 codeB64C11/002
Official title{Braking propellers, e.g. for measuring the power output of an engine}
Display labelBraking propellers, e.g. for measuring the power output of an engine
Total patents38

Filing trend

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

Filing activity over the last five years is rapidly growing.

Patents filed per year
YearPatents
20154
20163
20173
20183
20191
20205
20212
20221
20236
20244
20256

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 B64C11/002?
CPC B64C11/002 is the Cooperative Patent Classification code for “Braking propellers, e.g. for measuring the power output of an engine.”
How many patents are filed under CPC B64C11/002 (Braking propellers, e.g. for measuring the power output of an engine)?
Our database includes 38 publications tagged with this CPC code.
Is patent activity under CPC B64C11/002 growing?
Publication counts under this code: 4 in 2024 vs 6 in 2025 (latest complete years).