Heating furnace having double insulating wall structure
US-10876793-B2 · Dec 29, 2020 · US
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Surrounding protection around the furnace, e.g. covers, circulation of gas
Surrounding protection around the furnace, e.g. covers, circulation of gas · 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 | F27D2001/0073 |
| Official title | {Surrounding protection around the furnace, e.g. covers, circulation of gas} |
| Display label | Surrounding protection around the furnace, e.g. covers, circulation of gas |
| Total patents | 3 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2019 | 1 |
| 2020 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Heating furnace having double insulating wall structure
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