Gas cleaning, e.g. scrubbers; Separation of different gases (separating dispersed particles from gases or vapours B01D45/00; separation of gases or vapours B01D53/00; gas washing apparatus for laboratory uses B01L5/04)

Gas cleaning, e.g. scrubbers; Separation of different gases (separating dispersed particles from gases or vapours B01D45/00; separation of gases or vapours B01D53/00; gas washing apparatus for laboratory uses B01L5/04) · Cooperative Patent Classification (CPC)

Chemical and metallurgical processes, compounds, and materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeC12M47/18
Official title{Gas cleaning, e.g. scrubbers; Separation of different gases (separating dispersed particles from gases or vapours B01D45/00; separation of gases or vapours B01D53/00; gas washing apparatus for laboratory uses B01L5/04)}
Display labelGas cleaning, e.g. scrubbers; Separation of different gases (separating dispersed particles from gases or vapours B01D45/00; separation of gases or vapours B01D53/00; gas washing apparatus for laboratory uses B01L5/04)
Total patents135

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
201513
20167
20176
201813
201911
20208
202118
202216
202319
20248
202514
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 C12M47/18?
CPC C12M47/18 is the Cooperative Patent Classification code for “Gas cleaning, e.g. scrubbers; Separation of different gases (separating dispersed particles from gases or vapours B01D45/00; separation of gases or vapours B01D53/00; gas washing apparatus for laboratory uses B01L5/04).”
How many patents are filed under CPC C12M47/18 (Gas cleaning, e.g. scrubbers; Separation of different gases (separating dispersed particles from gases or vapours B01D45/00; separation of gases or vapours B01D53/00; gas washing apparatus for laboratory uses B01L5/04))?
Our database includes 135 publications tagged with this CPC code.
Is patent activity under CPC C12M47/18 growing?
Publication counts under this code: 8 in 2024 vs 14 in 2025 (latest complete years).