packaging infusion material into filter bags

packaging infusion material into filter bags · 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 codeB65B29/028
Official title{packaging infusion material into filter bags}
Display labelpackaging infusion material into filter bags
Total patents68

Filing trend

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

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
20153
20162
20172
20181
20198
20207
20216
202216
20231
20248
202511
20263

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 B65B29/028?
CPC B65B29/028 is the Cooperative Patent Classification code for “packaging infusion material into filter bags.”
How many patents are filed under CPC B65B29/028 (packaging infusion material into filter bags)?
Our database includes 68 publications tagged with this CPC code.
Is patent activity under CPC B65B29/028 growing?
Publication counts under this code: 8 in 2024 vs 11 in 2025 (latest complete years).