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Hot gas water tube boilers not provided for in F22B1/1807 - F22B1/1861

Hot gas water tube boilers not provided for in F22B1/1807 - F22B1/1861 · Cooperative Patent Classification (CPC)

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

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
Metric	Value
CPC code	F22B1/1869
Official title	{Hot gas water tube boilers not provided for in F22B1/1807 - F22B1/1861}
Display label	Hot gas water tube boilers not provided for in F22B1/1807 - F22B1/1861
Total patents	11

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

Filing activity over the last five years is declining.

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