Combined visual and audible advertising or displaying, e.g. for public address

Combined visual and audible advertising or displaying, e.g. for public address · 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 codeG09F27/00
Official titleCombined visual and audible advertising or displaying, e.g. for public address
Display labelCombined visual and audible advertising or displaying, e.g. for public address
Total patents443

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
201517
201617
201720
201823
201932
202068
202179
202250
202351
202454
202526
20266

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 G09F27/00?
CPC G09F27/00 is the Cooperative Patent Classification code for “Combined visual and audible advertising or displaying, e.g. for public address.”
How many patents are filed under CPC G09F27/00 (Combined visual and audible advertising or displaying, e.g. for public address)?
Our database includes 443 publications tagged with this CPC code.
Is patent activity under CPC G09F27/00 growing?
Publication counts under this code: 54 in 2024 vs 26 in 2025 (latest complete years).