What is CPC B65D71/20?

CPC B65D71/20 is the Cooperative Patent Classification code for “Slits or openings along the fold line of the tubular body.”

How many patents are filed under CPC B65D71/20 (Slits or openings along the fold line of the tubular body)?

Our database includes 48 publications tagged with this CPC code.

Publication counts under this code: 4 in 2024 vs 3 in 2025 (latest complete years).

Slits or openings along the fold line of the tubular body · Cooperative Patent Classification (CPC)

Separating, mixing, shaping, printing, and transporting materials.

Mapped technology topics for this CPC code.

CPC classification statistics
Metric	Value
CPC code	B65D71/20
Official title	Slits or openings along the fold line of the tubular body
Display label	Slits or openings along the fold line of the tubular body
Total patents	48

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

Filing activity over the last five years is growing.

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

Answers are generated from the same data shown on this page.

What is CPC B65D71/20?: CPC B65D71/20 is the Cooperative Patent Classification code for “Slits or openings along the fold line of the tubular body.”
How many patents are filed under CPC B65D71/20 (Slits or openings along the fold line of the tubular body)?: Our database includes 48 publications tagged with this CPC code.
Is patent activity under CPC B65D71/20 growing?: Publication counts under this code: 4 in 2024 vs 3 in 2025 (latest complete years).