characterised by the pre-treatment chambers located immediately upstream of the bath or occurring locally before the dipping process

characterised by the pre-treatment chambers located immediately upstream of the bath or occurring locally before the dipping process · Cooperative Patent Classification (CPC)

Chemical and metallurgical processes, compounds, and materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeC23C2/0038
Official title{characterised by the pre-treatment chambers located immediately upstream of the bath or occurring locally before the dipping process}
Display labelcharacterised by the pre-treatment chambers located immediately upstream of the bath or occurring locally before the dipping process
Total patents145

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
201518
201610
201715
201816
201911
202018
202112
202212
202315
20248
20257
20263

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 C23C2/0038?
CPC C23C2/0038 is the Cooperative Patent Classification code for “characterised by the pre-treatment chambers located immediately upstream of the bath or occurring locally before the dipping process.”
How many patents are filed under CPC C23C2/0038 (characterised by the pre-treatment chambers located immediately upstream of the bath or occurring locally before the dipping process)?
Our database includes 145 publications tagged with this CPC code.
Is patent activity under CPC C23C2/0038 growing?
Publication counts under this code: 8 in 2024 vs 7 in 2025 (latest complete years).