with one or more auxiliary substances

with one or more auxiliary substances · 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 codeB01D3/34
Official titlewith one or more auxiliary substances
Display labelwith one or more auxiliary substances
Total patents131

Filing trend

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

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
20158
201615
20179
201812
201910
202018
20219
202214
20239
202414
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 B01D3/34?
CPC B01D3/34 is the Cooperative Patent Classification code for “with one or more auxiliary substances.”
How many patents are filed under CPC B01D3/34 (with one or more auxiliary substances)?
Our database includes 131 publications tagged with this CPC code.
Is patent activity under CPC B01D3/34 growing?
Publication counts under this code: 14 in 2024 vs 11 in 2025 (latest complete years).