Venting, degassing or ventilating of gases, fumes or toxic vapours from the mixture

Venting, degassing or ventilating of gases, fumes or toxic vapours from the mixture · 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 codeB01F23/803
Official title{Venting, degassing or ventilating of gases, fumes or toxic vapours from the mixture}
Display labelVenting, degassing or ventilating of gases, fumes or toxic vapours from the mixture
Total patents29

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
20173
20183
20192
20205
20213
20223
20234
20242
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 B01F23/803?
CPC B01F23/803 is the Cooperative Patent Classification code for “Venting, degassing or ventilating of gases, fumes or toxic vapours from the mixture.”
How many patents are filed under CPC B01F23/803 (Venting, degassing or ventilating of gases, fumes or toxic vapours from the mixture)?
Our database includes 29 publications tagged with this CPC code.
Is patent activity under CPC B01F23/803 growing?
Publication counts under this code: 2 in 2024 vs 3 in 2025 (latest complete years).