Plungers

Plungers · Cooperative Patent Classification (CPC)

Agriculture, food, personal care, health, and life sciences.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeA01F15/042
Official title{Plungers}
Display labelPlungers
Total patents252

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
201511
201633
201738
201840
201928
202034
202128
20226
202312
202416
20255
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 A01F15/042?
CPC A01F15/042 is the Cooperative Patent Classification code for “Plungers.”
How many patents are filed under CPC A01F15/042 (Plungers)?
Our database includes 252 publications tagged with this CPC code.
Is patent activity under CPC A01F15/042 growing?
Publication counts under this code: 16 in 2024 vs 5 in 2025 (latest complete years).