Addition and mixing of substances to the spinning solution or to the melt; Homogenising

Addition and mixing of substances to the spinning solution or to the melt; Homogenising · 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 codeD01D1/065
Official title{Addition and mixing of substances to the spinning solution or to the melt; Homogenising}
Display labelAddition and mixing of substances to the spinning solution or to the melt; Homogenising
Total patents72

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
20155
20163
20173
20181
20199
20205
20219
20227
20235
20249
202513
20263

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 D01D1/065?
CPC D01D1/065 is the Cooperative Patent Classification code for “Addition and mixing of substances to the spinning solution or to the melt; Homogenising.”
How many patents are filed under CPC D01D1/065 (Addition and mixing of substances to the spinning solution or to the melt; Homogenising)?
Our database includes 72 publications tagged with this CPC code.
Is patent activity under CPC D01D1/065 growing?
Publication counts under this code: 9 in 2024 vs 13 in 2025 (latest complete years).