Sifting, sorting, cleaning or removing impurities from tobacco

Sifting, sorting, cleaning or removing impurities from tobacco · Cooperative Patent Classification (CPC)

Agriculture, food, personal care, health, and life sciences.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeA24B1/04
Official titleSifting, sorting, cleaning or removing impurities from tobacco
Display labelSifting, sorting, cleaning or removing impurities from tobacco
Total patents28

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
20158
20162
20173
20183
20192
20205
20211
20221
20233

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 A24B1/04?
CPC A24B1/04 is the Cooperative Patent Classification code for “Sifting, sorting, cleaning or removing impurities from tobacco.”
How many patents are filed under CPC A24B1/04 (Sifting, sorting, cleaning or removing impurities from tobacco)?
Our database includes 28 publications tagged with this CPC code.
Is patent activity under CPC A24B1/04 growing?
Publication counts under this code: 1 in 2022 vs 3 in 2023 (latest complete years).