Single movable plate with two or more apertures of graded size, e.g. sliding plate or pivoting plate

Single movable plate with two or more apertures of graded size, e.g. sliding plate or pivoting plate · 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 codeG03B9/04
Official titleSingle movable plate with two or more apertures of graded size, e.g. sliding plate or pivoting plate
Display labelSingle movable plate with two or more apertures of graded size, e.g. sliding plate or pivoting plate
Total patents112

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
20151
20161
20174
20184
201926
202015
202126
20227
202310
202411
20257

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 G03B9/04?
CPC G03B9/04 is the Cooperative Patent Classification code for “Single movable plate with two or more apertures of graded size, e.g. sliding plate or pivoting plate.”
How many patents are filed under CPC G03B9/04 (Single movable plate with two or more apertures of graded size, e.g. sliding plate or pivoting plate)?
Our database includes 112 publications tagged with this CPC code.
Is patent activity under CPC G03B9/04 growing?
Publication counts under this code: 11 in 2024 vs 7 in 2025 (latest complete years).