Filter punches

Filter punches · 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 codeG01N2001/288
Official title{Filter punches}
Display labelFilter punches
Total patents50

Filing trend

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

Filing activity over the last five years is rapidly growing.

Patents filed per year
YearPatents
20157
201610
20171
20184
20195
20202
20213
20223
20232
20244
20258
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 G01N2001/288?
CPC G01N2001/288 is the Cooperative Patent Classification code for “Filter punches.”
How many patents are filed under CPC G01N2001/288 (Filter punches)?
Our database includes 50 publications tagged with this CPC code.
Is patent activity under CPC G01N2001/288 growing?
Publication counts under this code: 4 in 2024 vs 8 in 2025 (latest complete years).