with impellers; Subaeration machines {(mixing gases or vapours with liquids B01F23/20)}

with impellers; Subaeration machines {(mixing gases or vapours with liquids B01F23/20)} · 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 codeB03D1/16
Official titlewith impellers; Subaeration machines {(mixing gases or vapours with liquids B01F23/20)}
Display labelwith impellers; Subaeration machines {(mixing gases or vapours with liquids B01F23/20)}
Total patents43

Filing trend

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

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
20151
20161
20174
20182
20194
20204
20217
20226
20236
20244
20252
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 B03D1/16?
CPC B03D1/16 is the Cooperative Patent Classification code for “with impellers; Subaeration machines {(mixing gases or vapours with liquids B01F23/20)}.”
How many patents are filed under CPC B03D1/16 (with impellers; Subaeration machines {(mixing gases or vapours with liquids B01F23/20)})?
Our database includes 43 publications tagged with this CPC code.
Is patent activity under CPC B03D1/16 growing?
Publication counts under this code: 4 in 2024 vs 2 in 2025 (latest complete years).