Injection or transfer plungers

Injection or transfer plungers · Cooperative Patent Classification (CPC)

Separating, mixing, shaping, printing, and transporting materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeB29C45/586
Official title{Injection or transfer plungers}
Display labelInjection or transfer plungers
Total patents32

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
20162
20181
20192
20202
20214
20227
20236
20244
20253
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 B29C45/586?
CPC B29C45/586 is the Cooperative Patent Classification code for “Injection or transfer plungers.”
How many patents are filed under CPC B29C45/586 (Injection or transfer plungers)?
Our database includes 32 publications tagged with this CPC code.
Is patent activity under CPC B29C45/586 growing?
Publication counts under this code: 4 in 2024 vs 3 in 2025 (latest complete years).