Melting filament-forming substances

Melting filament-forming substances · 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 codeD01D1/04
Official titleMelting filament-forming substances
Display labelMelting filament-forming substances
Total patents66

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
20162
20174
20182
20195
20205
20217
20229
20237
202411
20258
20266

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 D01D1/04?
CPC D01D1/04 is the Cooperative Patent Classification code for “Melting filament-forming substances.”
How many patents are filed under CPC D01D1/04 (Melting filament-forming substances)?
Our database includes 66 publications tagged with this CPC code.
Is patent activity under CPC D01D1/04 growing?
Publication counts under this code: 11 in 2024 vs 8 in 2025 (latest complete years).