Pen barrels

Pen barrels · 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 codeB43K7/005
Official title{Pen barrels}
Display labelPen barrels
Total patents86

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
20155
20163
201713
20187
20194
202012
202110
202212
20239
20245
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 B43K7/005?
CPC B43K7/005 is the Cooperative Patent Classification code for “Pen barrels.”
How many patents are filed under CPC B43K7/005 (Pen barrels)?
Our database includes 86 publications tagged with this CPC code.
Is patent activity under CPC B43K7/005 growing?
Publication counts under this code: 5 in 2024 vs 5 in 2025 (latest complete years).