by using flow properties of fluids, e.g. flow through tubes or apertures

by using flow properties of fluids, e.g. flow through tubes or apertures · 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 codeG01N9/32
Official titleby using flow properties of fluids, e.g. flow through tubes or apertures
Display labelby using flow properties of fluids, e.g. flow through tubes or apertures
Total patents143

Filing trend

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

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
20155
20169
20178
20188
201910
20208
202114
202218
202312
202428
202518
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 G01N9/32?
CPC G01N9/32 is the Cooperative Patent Classification code for “by using flow properties of fluids, e.g. flow through tubes or apertures.”
How many patents are filed under CPC G01N9/32 (by using flow properties of fluids, e.g. flow through tubes or apertures)?
Our database includes 143 publications tagged with this CPC code.
Is patent activity under CPC G01N9/32 growing?
Publication counts under this code: 28 in 2024 vs 18 in 2025 (latest complete years).