Slag door for a melting furnace
US-11614283-B2 · Mar 28, 2023 · US
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by the use of scrapers
by the use of scrapers · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F27D3/1563 |
| Official title | {by the use of scrapers} |
| Display label | by the use of scrapers |
| Total patents | 4 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2020 | 2 |
| 2022 | 1 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Melting work device and melting work method
US-11473842-B2 · Oct 18, 2022 · US
Melting work device and melting work method
US-2020400376-A1 · Dec 24, 2020 · US
Slag door for a melting furnace
US-2020309456-A1 · Oct 1, 2020 · US