Flow sheets

Flow sheets · 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 codeB01D11/028
Official title{Flow sheets}
Display labelFlow sheets
Total patents132

Filing trend

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

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
20153
20163
20172
20187
201911
202013
202119
202212
202316
202421
202520
20265

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 B01D11/028?
CPC B01D11/028 is the Cooperative Patent Classification code for “Flow sheets.”
How many patents are filed under CPC B01D11/028 (Flow sheets)?
Our database includes 132 publications tagged with this CPC code.
Is patent activity under CPC B01D11/028 growing?
Publication counts under this code: 21 in 2024 vs 20 in 2025 (latest complete years).