Mixers with a succession of converging-diverging cross-sections, i.e. undulating cross-section

Mixers with a succession of converging-diverging cross-sections, i.e. undulating cross-section · 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 codeB01F25/4338
Official title{Mixers with a succession of converging-diverging cross-sections, i.e. undulating cross-section}
Display labelMixers with a succession of converging-diverging cross-sections, i.e. undulating cross-section
Total patents82

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
20154
20166
20178
201813
20199
202015
20217
20221
202310
20245
20253
20261

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 B01F25/4338?
CPC B01F25/4338 is the Cooperative Patent Classification code for “Mixers with a succession of converging-diverging cross-sections, i.e. undulating cross-section.”
How many patents are filed under CPC B01F25/4338 (Mixers with a succession of converging-diverging cross-sections, i.e. undulating cross-section)?
Our database includes 82 publications tagged with this CPC code.
Is patent activity under CPC B01F25/4338 growing?
Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).