Openwork frame or cage stirrers not provided for in other groups of this subclass

Openwork frame or cage stirrers not provided for in other groups of this subclass · 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 codeB01F27/13
Official titleOpenwork frame or cage stirrers not provided for in other groups of this subclass
Display labelOpenwork frame or cage stirrers not provided for in other groups of this subclass
Total patents69

Filing trend

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

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
20154
20161
20172
20186
20195
20206
202111
20225
20234
202414
202510
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 B01F27/13?
CPC B01F27/13 is the Cooperative Patent Classification code for “Openwork frame or cage stirrers not provided for in other groups of this subclass.”
How many patents are filed under CPC B01F27/13 (Openwork frame or cage stirrers not provided for in other groups of this subclass)?
Our database includes 69 publications tagged with this CPC code.
Is patent activity under CPC B01F27/13 growing?
Publication counts under this code: 14 in 2024 vs 10 in 2025 (latest complete years).