the tubes having a special shape, e.g. polygonal tubes

the tubes having a special shape, e.g. polygonal tubes · 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 codeB21C37/0803
Official title{the tubes having a special shape, e.g. polygonal tubes}
Display labelthe tubes having a special shape, e.g. polygonal tubes
Total patents49

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
20154
20164
20174
20187
20193
20206
20217
20224
20233
20243
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 B21C37/0803?
CPC B21C37/0803 is the Cooperative Patent Classification code for “the tubes having a special shape, e.g. polygonal tubes.”
How many patents are filed under CPC B21C37/0803 (the tubes having a special shape, e.g. polygonal tubes)?
Our database includes 49 publications tagged with this CPC code.
Is patent activity under CPC B21C37/0803 growing?
Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).