Manufacture of articles by pressing wet fibre pulp, or papier-mâché, between moulds

Manufacture of articles by pressing wet fibre pulp, or papier-mâché, between moulds · 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 codeD21J3/00
Official titleManufacture of articles by pressing wet fibre pulp, or papier-mâché, between moulds
Display labelManufacture of articles by pressing wet fibre pulp, or papier-mâché, between moulds
Total patents125

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
20183
20194
20203
20217
202217
202321
202434
202527
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 D21J3/00?
CPC D21J3/00 is the Cooperative Patent Classification code for “Manufacture of articles by pressing wet fibre pulp, or papier-mâché, between moulds.”
How many patents are filed under CPC D21J3/00 (Manufacture of articles by pressing wet fibre pulp, or papier-mâché, between moulds)?
Our database includes 125 publications tagged with this CPC code.
Is patent activity under CPC D21J3/00 growing?
Publication counts under this code: 34 in 2024 vs 27 in 2025 (latest complete years).