Interferometers

Interferometers · 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 codeG01B9/02
Official titleInterferometers
Display labelInterferometers
Total patents548

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
201567
201653
201760
201853
201959
202050
202164
202242
202343
202428
202528
20261

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 G01B9/02?
CPC G01B9/02 is the Cooperative Patent Classification code for “Interferometers.”
How many patents are filed under CPC G01B9/02 (Interferometers)?
Our database includes 548 publications tagged with this CPC code.
Is patent activity under CPC G01B9/02 growing?
Publication counts under this code: 28 in 2024 vs 28 in 2025 (latest complete years).