What is CPC B01D46/24?

CPC B01D46/24 is the Cooperative Patent Classification code for “Particle separators, e.g. dust precipitators, using rigid hollow filter bodies.”

How many patents are filed under CPC B01D46/24 (Particle separators, e.g. dust precipitators, using rigid hollow filter bodies)?

Our database includes 558 publications tagged with this CPC code.

Publication counts under this code: 58 in 2024 vs 46 in 2025 (latest complete years).

Particle separators, e.g. dust precipitators, using rigid hollow filter bodies · 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	B01D46/24
Official title	Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
Display label	Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
Total patents	558

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

Filing activity over the last five years is stable.

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

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

What is CPC B01D46/24?: CPC B01D46/24 is the Cooperative Patent Classification code for “Particle separators, e.g. dust precipitators, using rigid hollow filter bodies.”
How many patents are filed under CPC B01D46/24 (Particle separators, e.g. dust precipitators, using rigid hollow filter bodies)?: Our database includes 558 publications tagged with this CPC code.
Is patent activity under CPC B01D46/24 growing?: Publication counts under this code: 58 in 2024 vs 46 in 2025 (latest complete years).