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Making paper strips for spinning or twisting

Making paper strips for spinning or twisting · Cooperative Patent Classification (CPC)

Textile and paper production, treatment, and products.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
Metric	Value
CPC code	D21F11/16
Official title	Making paper strips for spinning or twisting
Display label	Making paper strips for spinning or twisting
Total patents	4

Year-over-year patent counts classified under this CPC code.

Filing activity appears to be declining based on the most recent years.

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.