for shaping screw-propellers, turbine blades, or impellers

for shaping screw-propellers, turbine blades, or impellers · 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 codeB23C3/18
Official titlefor shaping screw-propellers, turbine blades, or impellers
Display labelfor shaping screw-propellers, turbine blades, or impellers
Total patents95

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
201511
201612
20178
20189
20198
20207
202113
20229
20237
20245
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 B23C3/18?
CPC B23C3/18 is the Cooperative Patent Classification code for “for shaping screw-propellers, turbine blades, or impellers.”
How many patents are filed under CPC B23C3/18 (for shaping screw-propellers, turbine blades, or impellers)?
Our database includes 95 publications tagged with this CPC code.
Is patent activity under CPC B23C3/18 growing?
Publication counts under this code: 5 in 2024 vs 6 in 2025 (latest complete years).