What is CPC B01D45/14?

CPC B01D45/14 is the Cooperative Patent Classification code for “generated by rotating vanes, discs, drums or brushes.”

How many patents are filed under CPC B01D45/14 (generated by rotating vanes, discs, drums or brushes)?

Our database includes 350 publications tagged with this CPC code.

Publication counts under this code: 33 in 2024 vs 23 in 2025 (latest complete years).

generated by rotating vanes, discs, drums or brushes · 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	B01D45/14
Official title	generated by rotating vanes, discs, drums or brushes
Display label	generated by rotating vanes, discs, drums or brushes
Total patents	350

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.

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

What is CPC B01D45/14?: CPC B01D45/14 is the Cooperative Patent Classification code for “generated by rotating vanes, discs, drums or brushes.”
How many patents are filed under CPC B01D45/14 (generated by rotating vanes, discs, drums or brushes)?: Our database includes 350 publications tagged with this CPC code.
Is patent activity under CPC B01D45/14 growing?: Publication counts under this code: 33 in 2024 vs 23 in 2025 (latest complete years).