Cleaning, e.g. oxide removal

Cleaning, e.g. oxide removal · Cooperative Patent Classification (CPC)

Electric circuits, power, telecommunications, and semiconductors.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeH10W72/01971
Official title{Cleaning, e.g. oxide removal}
Display labelCleaning, e.g. oxide removal
Total patents303

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
201534
201641
201738
201835
201935
202027
202128
202215
202319
202418
202510
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 H10W72/01971?
CPC H10W72/01971 is the Cooperative Patent Classification code for “Cleaning, e.g. oxide removal.”
How many patents are filed under CPC H10W72/01971 (Cleaning, e.g. oxide removal)?
Our database includes 303 publications tagged with this CPC code.
Is patent activity under CPC H10W72/01971 growing?
Publication counts under this code: 18 in 2024 vs 10 in 2025 (latest complete years).