Method for protecting an inner wall of a shaft furnace
US-12235047-B2 · Feb 25, 2025 · US
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Increasing the durability of linings; Means for protecting
Increasing the durability of linings; Means for protecting · 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 | F27D1/1678 |
| Official title | {Increasing the durability of linings; Means for protecting} |
| Display label | Increasing the durability of linings; Means for protecting |
| Total patents | 14 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 3 |
| 2022 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for protecting an inner wall of a shaft furnace
US-2022074667-A1 · Mar 10, 2022 · US
Refractory articles and methods for forming same
US-2022002206-A1 · Jan 6, 2022 · US
Refractory articles and methods for forming same
US-11155500-B2 · Oct 26, 2021 · US
Method for handling a slag pot or ladle and pyrometallurgical tools
US-11091650-B2 · Aug 17, 2021 · US
Method for determining the state of a refractory lining of a metallurgical vessel for molten metal in particular
US-10935320-B2 · Mar 2, 2021 · US
Refractory articles and methods for forming same
US-2020148597-A1 · May 14, 2020 · US
Method for Handling a Slag Pot or Ladle and Pyrometallurgical Tools
US-2019316844-A1 · Oct 17, 2019 · US
Method for determining the state of a refractory lining of a metallurgical vessel for molten metal in particular
US-2018347907-A1 · Dec 6, 2018 · US
Reflow oven and methods of treating surfaces of the reflow oven
US-9662731-B2 · May 30, 2017 · US
Reflow oven and methods of treating surfaces of the reflow oven
US-9170051-B2 · Oct 27, 2015 · US
Cooling plate arrangement and method for installing cooling plates in a metallurgical furnace
US-9039959-B2 · May 26, 2015 · US
Reflow oven and methods of treating surfaces of the reflow oven
US-2015129642-A1 · May 14, 2015 · US
Reflow oven and methods of treating surfaces of the reflow oven
US-8940099-B2 · Jan 27, 2015 · US