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heated by the main burner flame

heated by the main burner flame · 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 codeF23D11/443
Official title{heated by the main burner flame}
Display labelheated by the main burner flame
Total patents15

Filing trend

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

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
20153
20165
20171
20182
20192
20202

Representative patents

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