Circuits (measuring resistance per se G01R27/00, e.g. G01R27/22)

Circuits (measuring resistance per se G01R27/00, e.g. G01R27/22) · 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 codeG01N27/045
Official title{Circuits (measuring resistance per se G01R27/00, e.g. G01R27/22)}
Display labelCircuits (measuring resistance per se G01R27/00, e.g. G01R27/22)
Total patents262

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
20158
201620
201714
201822
201928
202039
202126
202225
202330
202426
202521
20263

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 G01N27/045?
CPC G01N27/045 is the Cooperative Patent Classification code for “Circuits (measuring resistance per se G01R27/00, e.g. G01R27/22).”
How many patents are filed under CPC G01N27/045 (Circuits (measuring resistance per se G01R27/00, e.g. G01R27/22))?
Our database includes 262 publications tagged with this CPC code.
Is patent activity under CPC G01N27/045 growing?
Publication counts under this code: 26 in 2024 vs 21 in 2025 (latest complete years).