building-up the stack from the bottom

building-up the stack from the bottom · 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 codeB65B35/52
Official titlebuilding-up the stack from the bottom
Display labelbuilding-up the stack from the bottom
Total patents39

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
20161
20171
20184
20193
20204
20212
20229
20233
20245
20253
20261

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 B65B35/52?
CPC B65B35/52 is the Cooperative Patent Classification code for “building-up the stack from the bottom.”
How many patents are filed under CPC B65B35/52 (building-up the stack from the bottom)?
Our database includes 39 publications tagged with this CPC code.
Is patent activity under CPC B65B35/52 growing?
Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).