What is CPC B05B3/021?

CPC B05B3/021 is the Cooperative Patent Classification code for “Operations & Transport.”

How many patents are filed under CPC B05B3/021 (Operations & Transport)?

Our database includes 40 publications tagged with this CPC code.

Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).

Operations & Transport · Cooperative Patent Classification (CPC)

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

Mapped technology topics for this CPC code.

CPC classification statistics
Metric	Value
CPC code	B05B3/021
Official title	—
Display label	Operations & Transport (mapped technology topic)
Total patents	40

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

Filing activity over the last five years is declining.

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

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

What is CPC B05B3/021?: CPC B05B3/021 is the Cooperative Patent Classification code for “Operations & Transport.”
How many patents are filed under CPC B05B3/021 (Operations & Transport)?: Our database includes 40 publications tagged with this CPC code.
Is patent activity under CPC B05B3/021 growing?: Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).