Distributing spinning solution or melt to spinning nozzles

Distributing spinning solution or melt to spinning nozzles · 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 codeD01D4/06
Official titleDistributing spinning solution or melt to spinning nozzles
Display labelDistributing spinning solution or melt to spinning nozzles
Total patents62

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
20154
20162
20172
20181
20192
20205
20211
20228
20238
202413
202512
20264

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 D01D4/06?
CPC D01D4/06 is the Cooperative Patent Classification code for “Distributing spinning solution or melt to spinning nozzles.”
How many patents are filed under CPC D01D4/06 (Distributing spinning solution or melt to spinning nozzles)?
Our database includes 62 publications tagged with this CPC code.
Is patent activity under CPC D01D4/06 growing?
Publication counts under this code: 13 in 2024 vs 12 in 2025 (latest complete years).