Degassing; Venting; Bubble traps (means for collection or storage of gas C12M23/36; gas collection apparatus for laboratory use B01L5/02)

Degassing; Venting; Bubble traps (means for collection or storage of gas C12M23/36; gas collection apparatus for laboratory use B01L5/02) · 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 codeC12M29/20
Official title{Degassing; Venting; Bubble traps (means for collection or storage of gas C12M23/36; gas collection apparatus for laboratory use B01L5/02)}
Display labelDegassing; Venting; Bubble traps (means for collection or storage of gas C12M23/36; gas collection apparatus for laboratory use B01L5/02)
Total patents282

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
201512
201613
201714
201829
201921
202020
202137
202238
202331
202430
202530
20267

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 C12M29/20?
CPC C12M29/20 is the Cooperative Patent Classification code for “Degassing; Venting; Bubble traps (means for collection or storage of gas C12M23/36; gas collection apparatus for laboratory use B01L5/02).”
How many patents are filed under CPC C12M29/20 (Degassing; Venting; Bubble traps (means for collection or storage of gas C12M23/36; gas collection apparatus for laboratory use B01L5/02))?
Our database includes 282 publications tagged with this CPC code.
Is patent activity under CPC C12M29/20 growing?
Publication counts under this code: 30 in 2024 vs 30 in 2025 (latest complete years).