Feed or discharge mechanisms for settling tanks

Feed or discharge mechanisms for settling tanks · 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 codeB01D21/24
Official titleFeed or discharge mechanisms for settling tanks
Display labelFeed or discharge mechanisms for settling tanks
Total patents62

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
20159
20163
20178
201813
20193
20205
20216
20224
20235
20243
20253

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 B01D21/24?
CPC B01D21/24 is the Cooperative Patent Classification code for “Feed or discharge mechanisms for settling tanks.”
How many patents are filed under CPC B01D21/24 (Feed or discharge mechanisms for settling tanks)?
Our database includes 62 publications tagged with this CPC code.
Is patent activity under CPC B01D21/24 growing?
Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).