Feeding liquid to the spinning head (constructions of pumps F04)

Feeding liquid to the spinning head (constructions of pumps F04) · 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 codeD01D1/06
Official titleFeeding liquid to the spinning head (constructions of pumps F04)
Display labelFeeding liquid to the spinning head (constructions of pumps F04)
Total patents39

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
20161
20173
20183
20193
20204
20212
20222
20233
202410
20255
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 D01D1/06?
CPC D01D1/06 is the Cooperative Patent Classification code for “Feeding liquid to the spinning head (constructions of pumps F04).”
How many patents are filed under CPC D01D1/06 (Feeding liquid to the spinning head (constructions of pumps F04))?
Our database includes 39 publications tagged with this CPC code.
Is patent activity under CPC D01D1/06 growing?
Publication counts under this code: 10 in 2024 vs 5 in 2025 (latest complete years).