by forcing the gas through absorbent pads containing the liquid

by forcing the gas through absorbent pads containing the liquid · 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 codeB01F23/215
Official title{by forcing the gas through absorbent pads containing the liquid}
Display labelby forcing the gas through absorbent pads containing the liquid
Total patents65

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
20154
20168
201714
201815
20196
20215
20222
20232
20245
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 B01F23/215?
CPC B01F23/215 is the Cooperative Patent Classification code for “by forcing the gas through absorbent pads containing the liquid.”
How many patents are filed under CPC B01F23/215 (by forcing the gas through absorbent pads containing the liquid)?
Our database includes 65 publications tagged with this CPC code.
Is patent activity under CPC B01F23/215 growing?
Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).