Drying on cylinders

Drying on cylinders · Cooperative Patent Classification (CPC)

Textile and paper production, treatment, and products.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeD21F5/02
Official titleDrying on cylinders
Display labelDrying on cylinders
Total patents32

Filing trend

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

Filing activity over the last five years is rapidly growing.

Patents filed per year
YearPatents
20152
20172
20182
20192
20206
20229
20232
20246
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 D21F5/02?
CPC D21F5/02 is the Cooperative Patent Classification code for “Drying on cylinders.”
How many patents are filed under CPC D21F5/02 (Drying on cylinders)?
Our database includes 32 publications tagged with this CPC code.
Is patent activity under CPC D21F5/02 growing?
Publication counts under this code: 2 in 2023 vs 6 in 2024 (latest complete years).