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for producing oxygen as a mixing column overhead gas by mixing gaseous air feed and liquid oxygen

for producing oxygen as a mixing column overhead gas by mixing gaseous air feed and liquid oxygen · Cooperative Patent Classification (CPC)

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

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CPC classification statistics
Metric	Value
CPC code	F25J3/04466
Official title	{for producing oxygen as a mixing column overhead gas by mixing gaseous air feed and liquid oxygen}
Display label	for producing oxygen as a mixing column overhead gas by mixing gaseous air feed and liquid oxygen
Total patents	7

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Filing activity over the last five years is stable.

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.