Leaching

Leaching · 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 codeB22F2003/244
Official title{Leaching}
Display labelLeaching
Total patents157

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
20158
201612
201710
201825
201921
202015
202111
202221
202314
202413
20256
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 B22F2003/244?
CPC B22F2003/244 is the Cooperative Patent Classification code for “Leaching.”
How many patents are filed under CPC B22F2003/244 (Leaching)?
Our database includes 157 publications tagged with this CPC code.
Is patent activity under CPC B22F2003/244 growing?
Publication counts under this code: 13 in 2024 vs 6 in 2025 (latest complete years).