Injecting pure oxygen or oxygen enriched air

Injecting pure oxygen or oxygen enriched air · Cooperative Patent Classification (CPC)

Engines, pumps, lighting, heating, and mechanical systems.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeF23L2900/07005
Official titleInjecting pure oxygen or oxygen enriched air
Display labelInjecting pure oxygen or oxygen enriched air
Total patents69

Filing trend

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

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
20155
20164
20173
20185
20195
202010
20215
20227
20237
20249
20259

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 F23L2900/07005?
CPC F23L2900/07005 is the Cooperative Patent Classification code for “Injecting pure oxygen or oxygen enriched air.”
How many patents are filed under CPC F23L2900/07005 (Injecting pure oxygen or oxygen enriched air)?
Our database includes 69 publications tagged with this CPC code.
Is patent activity under CPC F23L2900/07005 growing?
Publication counts under this code: 9 in 2024 vs 9 in 2025 (latest complete years).