the carrier or impeller having identical forward and return paths of movement, e.g. reciprocating conveyors

the carrier or impeller having identical forward and return paths of movement, e.g. reciprocating conveyors · 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 codeB65G25/04
Official titlethe carrier or impeller having identical forward and return paths of movement, e.g. reciprocating conveyors
Display labelthe carrier or impeller having identical forward and return paths of movement, e.g. reciprocating conveyors
Total patents107

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
20156
20167
20177
20182
201911
202016
202110
202210
202311
202416
20259
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 B65G25/04?
CPC B65G25/04 is the Cooperative Patent Classification code for “the carrier or impeller having identical forward and return paths of movement, e.g. reciprocating conveyors.”
How many patents are filed under CPC B65G25/04 (the carrier or impeller having identical forward and return paths of movement, e.g. reciprocating conveyors)?
Our database includes 107 publications tagged with this CPC code.
Is patent activity under CPC B65G25/04 growing?
Publication counts under this code: 16 in 2024 vs 9 in 2025 (latest complete years).