of solutions which are liquid

of solutions which are liquid · 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 codeB01D11/04
Official titleof solutions which are liquid
Display labelof solutions which are liquid
Total patents263

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
201534
201635
201723
201836
201938
202028
202123
202216
20236
202411
202511
20262

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 B01D11/04?
CPC B01D11/04 is the Cooperative Patent Classification code for “of solutions which are liquid.”
How many patents are filed under CPC B01D11/04 (of solutions which are liquid)?
Our database includes 263 publications tagged with this CPC code.
Is patent activity under CPC B01D11/04 growing?
Publication counts under this code: 11 in 2024 vs 11 in 2025 (latest complete years).