for investigating or analysing gases {(G01N27/411 takes precedence)}

for investigating or analysing gases {(G01N27/411 takes precedence)} · Cooperative Patent Classification (CPC)

Computing, optics, measurement, and control technologies.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeG01N27/407
Official titlefor investigating or analysing gases {(G01N27/411 takes precedence)}
Display labelfor investigating or analysing gases {(G01N27/411 takes precedence)}
Total patents416

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
201526
201649
201733
201839
201945
202046
202143
202241
202334
202426
202529
20265

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 G01N27/407?
CPC G01N27/407 is the Cooperative Patent Classification code for “for investigating or analysing gases {(G01N27/411 takes precedence)}.”
How many patents are filed under CPC G01N27/407 (for investigating or analysing gases {(G01N27/411 takes precedence)})?
Our database includes 416 publications tagged with this CPC code.
Is patent activity under CPC G01N27/407 growing?
Publication counts under this code: 26 in 2024 vs 29 in 2025 (latest complete years).