by land vehicles

by land vehicles · 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 codeG09F21/04
Official titleby land vehicles
Display labelby land vehicles
Total patents384

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
201514
201618
201737
201839
201958
202052
202151
202239
202333
202423
202518
20262

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 G09F21/04?
CPC G09F21/04 is the Cooperative Patent Classification code for “by land vehicles.”
How many patents are filed under CPC G09F21/04 (by land vehicles)?
Our database includes 384 publications tagged with this CPC code.
Is patent activity under CPC G09F21/04 growing?
Publication counts under this code: 23 in 2024 vs 18 in 2025 (latest complete years).