After-treatment

After-treatment · 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 codeB05D3/145
Official title{After-treatment}
Display labelAfter-treatment
Total patents99

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
20166
20176
201813
20198
20206
202113
202211
202311
20246
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 B05D3/145?
CPC B05D3/145 is the Cooperative Patent Classification code for “After-treatment.”
How many patents are filed under CPC B05D3/145 (After-treatment)?
Our database includes 99 publications tagged with this CPC code.
Is patent activity under CPC B05D3/145 growing?
Publication counts under this code: 6 in 2024 vs 9 in 2025 (latest complete years).