Making hollow articles or partly closed articles

Making hollow articles or partly closed articles · 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 codeB28B11/006
Official title{Making hollow articles or partly closed articles}
Display labelMaking hollow articles or partly closed articles
Total patents63

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
20158
20169
20176
20184
20195
20205
20217
20227
20233
20246
20252
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 B28B11/006?
CPC B28B11/006 is the Cooperative Patent Classification code for “Making hollow articles or partly closed articles.”
How many patents are filed under CPC B28B11/006 (Making hollow articles or partly closed articles)?
Our database includes 63 publications tagged with this CPC code.
Is patent activity under CPC B28B11/006 growing?
Publication counts under this code: 6 in 2024 vs 2 in 2025 (latest complete years).