by adding to the top of the stack

by adding to the top of the stack · 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 codeB65G57/02
Official titleby adding to the top of the stack
Display labelby adding to the top of the stack
Total patents92

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
20156
20168
201712
201810
201912
20209
20218
202212
20233
20247
20255

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 B65G57/02?
CPC B65G57/02 is the Cooperative Patent Classification code for “by adding to the top of the stack.”
How many patents are filed under CPC B65G57/02 (by adding to the top of the stack)?
Our database includes 92 publications tagged with this CPC code.
Is patent activity under CPC B65G57/02 growing?
Publication counts under this code: 7 in 2024 vs 5 in 2025 (latest complete years).