Arrangements for preventing or destroying scum

Arrangements for preventing or destroying scum · 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 codeD06F39/06
Official titleArrangements for preventing or destroying scum
Display labelArrangements for preventing or destroying scum
Total patents135

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
20154
20165
20177
20188
201910
202014
202113
202229
202310
202419
202514
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 D06F39/06?
CPC D06F39/06 is the Cooperative Patent Classification code for “Arrangements for preventing or destroying scum.”
How many patents are filed under CPC D06F39/06 (Arrangements for preventing or destroying scum)?
Our database includes 135 publications tagged with this CPC code.
Is patent activity under CPC D06F39/06 growing?
Publication counts under this code: 19 in 2024 vs 14 in 2025 (latest complete years).