internal diameters

internal diameters · 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 codeG01B5/12
Official titleinternal diameters
Display labelinternal diameters
Total patents140

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
201516
201614
201715
20189
201911
202016
202117
20229
202315
202410
20256
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 G01B5/12?
CPC G01B5/12 is the Cooperative Patent Classification code for “internal diameters.”
How many patents are filed under CPC G01B5/12 (internal diameters)?
Our database includes 140 publications tagged with this CPC code.
Is patent activity under CPC G01B5/12 growing?
Publication counts under this code: 10 in 2024 vs 6 in 2025 (latest complete years).