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Furnace cars

Furnace cars · 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 codeF27D3/123
Official title{Furnace cars}
Display labelFurnace cars
Total patents22

Filing trend

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

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
20152
20161
20171
20184
20195
20203
20221
20232
20253

Representative patents

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