by suction or magnetic devices

by suction or magnetic devices · 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 codeB65G57/04
Official titleby suction or magnetic devices
Display labelby suction or magnetic devices
Total patents57

Filing trend

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

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
20154
20161
20172
20183
20193
20206
20216
20227
202312
20245
20256
20262

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 B65G57/04?
CPC B65G57/04 is the Cooperative Patent Classification code for “by suction or magnetic devices.”
How many patents are filed under CPC B65G57/04 (by suction or magnetic devices)?
Our database includes 57 publications tagged with this CPC code.
Is patent activity under CPC B65G57/04 growing?
Publication counts under this code: 5 in 2024 vs 6 in 2025 (latest complete years).