Bags or like containers made of paper and having structural provision for thickness of contents (with shock-absorbing properties B65D81/03)

Bags or like containers made of paper and having structural provision for thickness of contents (with shock-absorbing properties B65D81/03) · Cooperative Patent Classification (CPC)

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

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeB65D31/00
Official title{Bags or like containers made of paper and having structural provision for thickness of contents (with shock-absorbing properties B65D81/03)}
Display labelBags or like containers made of paper and having structural provision for thickness of contents (with shock-absorbing properties B65D81/03)
Total patents74

Filing trend

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

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
20155
20169
201710
20187
20193
20209
20214
202212
20235
20244
20252
20264

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 B65D31/00?
CPC B65D31/00 is the Cooperative Patent Classification code for “Bags or like containers made of paper and having structural provision for thickness of contents (with shock-absorbing properties B65D81/03).”
How many patents are filed under CPC B65D31/00 (Bags or like containers made of paper and having structural provision for thickness of contents (with shock-absorbing properties B65D81/03))?
Our database includes 74 publications tagged with this CPC code.
Is patent activity under CPC B65D31/00 growing?
Publication counts under this code: 4 in 2024 vs 2 in 2025 (latest complete years).