Pretreatment

Pretreatment · 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 codeC11B1/02
Official titlePretreatment
Display labelPretreatment
Total patents103

Filing trend

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

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
201510
201613
20179
20188
201913
202015
20219
20227
20237
20247
20253
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 C11B1/02?
CPC C11B1/02 is the Cooperative Patent Classification code for “Pretreatment.”
How many patents are filed under CPC C11B1/02 (Pretreatment)?
Our database includes 103 publications tagged with this CPC code.
Is patent activity under CPC C11B1/02 growing?
Publication counts under this code: 7 in 2024 vs 3 in 2025 (latest complete years).