Controlling or regulating desired parameters

Controlling or regulating desired parameters · 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 codeC23F13/04
Official titleControlling or regulating desired parameters
Display labelControlling or regulating desired parameters
Total patents99

Filing trend

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

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
20154
20167
20174
20186
20196
202016
202110
202211
202313
202410
202510
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 C23F13/04?
CPC C23F13/04 is the Cooperative Patent Classification code for “Controlling or regulating desired parameters.”
How many patents are filed under CPC C23F13/04 (Controlling or regulating desired parameters)?
Our database includes 99 publications tagged with this CPC code.
Is patent activity under CPC C23F13/04 growing?
Publication counts under this code: 10 in 2024 vs 10 in 2025 (latest complete years).