with charging pistons, plates, or the like (for discharging B65F3/28)

with charging pistons, plates, or the like (for discharging B65F3/28) · 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 codeB65F3/20
Official titlewith charging pistons, plates, or the like (for discharging B65F3/28)
Display labelwith charging pistons, plates, or the like (for discharging B65F3/28)
Total patents27

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
20151
20211
20222
20238
20243
202511
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 B65F3/20?
CPC B65F3/20 is the Cooperative Patent Classification code for “with charging pistons, plates, or the like (for discharging B65F3/28).”
How many patents are filed under CPC B65F3/20 (with charging pistons, plates, or the like (for discharging B65F3/28))?
Our database includes 27 publications tagged with this CPC code.
Is patent activity under CPC B65F3/20 growing?
Publication counts under this code: 3 in 2024 vs 11 in 2025 (latest complete years).