PatentsDB
This page is not indexed by search engines while we improve data quality.

Hearth-type furnaces, e.g. of reverberatory type (F27B9/00, F27B11/00, F27B13/00, F27B14/00, F27B15/00, F27B21/00 take precedence); Electric arc furnaces {; Tank furnaces}

Hearth-type furnaces, e.g. of reverberatory type (F27B9/00, F27B11/00, F27B13/00, F27B14/00, F27B15/00, F27B21/00 take precedence); Electric arc furnaces {; Tank furnaces} · 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 codeF27B3/00
Official titleHearth-type furnaces, e.g. of reverberatory type (F27B9/00, F27B11/00, F27B13/00, F27B14/00, F27B15/00, F27B21/00 take precedence); Electric arc furnaces {; Tank furnaces}
Display labelHearth-type furnaces, e.g. of reverberatory type (F27B9/00, F27B11/00, F27B13/00, F27B14/00, F27B15/00, F27B21/00 take precedence); Electric arc furnaces {; Tank furnaces}
Total patents5

Filing trend

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

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
20151
20171
20211
20241
20251

Representative patents

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