Oxygen; Ozone; Oxides or hydroxides in general

Oxygen; Ozone; Oxides or hydroxides in general · 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 codeC01B13/00
Official titleOxygen; Ozone; Oxides or hydroxides in general
Display labelOxygen; Ozone; Oxides or hydroxides in general
Total patents35

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
20164
20174
20186
20196
20206
20212
20223
20231
20241
20252

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 C01B13/00?
CPC C01B13/00 is the Cooperative Patent Classification code for “Oxygen; Ozone; Oxides or hydroxides in general.”
How many patents are filed under CPC C01B13/00 (Oxygen; Ozone; Oxides or hydroxides in general)?
Our database includes 35 publications tagged with this CPC code.
Is patent activity under CPC C01B13/00 growing?
Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).