of the tubular type, i.e. for indicating the level in one direction only

of the tubular type, i.e. for indicating the level in one direction only · 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 codeG01C9/34
Official titleof the tubular type, i.e. for indicating the level in one direction only
Display labelof the tubular type, i.e. for indicating the level in one direction only
Total patents119

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
20166
20178
201817
20199
202013
202114
202213
202313
202411
20259
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 G01C9/34?
CPC G01C9/34 is the Cooperative Patent Classification code for “of the tubular type, i.e. for indicating the level in one direction only.”
How many patents are filed under CPC G01C9/34 (of the tubular type, i.e. for indicating the level in one direction only)?
Our database includes 119 publications tagged with this CPC code.
Is patent activity under CPC G01C9/34 growing?
Publication counts under this code: 11 in 2024 vs 9 in 2025 (latest complete years).