with hollow tubes

with hollow 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 codeB01D2053/223
Official title{with hollow tubes}
Display labelwith hollow tubes
Total patents84

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
20156
20169
20172
20185
20194
20209
20214
202216
20239
202410
20258
20262

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 B01D2053/223?
CPC B01D2053/223 is the Cooperative Patent Classification code for “with hollow tubes.”
How many patents are filed under CPC B01D2053/223 (with hollow tubes)?
Our database includes 84 publications tagged with this CPC code.
Is patent activity under CPC B01D2053/223 growing?
Publication counts under this code: 10 in 2024 vs 8 in 2025 (latest complete years).