Coke oven roof repair or replacement
US-12559683-B2 · Feb 24, 2026 · US
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Hot repair
Hot repair · 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 | F27D2001/161 |
| Official title | {Hot repair} |
| Display label | Hot repair |
| Total patents | 10 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2018 | 2 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 2 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Coke oven roof repair or replacement
US-2025313756-A1 · Oct 9, 2025 · US
Method for repairing a glass melting furnace
US-2025207860-A1 · Jun 26, 2025 · US
Method for protecting an inner wall of a shaft furnace
US-12235047-B2 · Feb 25, 2025 · US
Method for protecting an inner wall of a shaft furnace
US-2022074667-A1 · Mar 10, 2022 · US
Spray material for hot and dry spray application, and hot and dry spray application method
US-2022033302-A1 · Feb 3, 2022 · US
Unshaped product for repairing glass melting furnaces
US-11111183-B2 · Sep 7, 2021 · US
Method for repairing a refractory lining of a metallurgical vessel in the hot state
US-10837704-B2 · Nov 17, 2020 · US
Unshaped product for repairing glass melting furnaces
US-2018237344-A1 · Aug 23, 2018 · US
Method for Repairing a Refractory Lining of a Metallurgical Vessel in the Hot State
US-2018209739-A1 · Jul 26, 2018 · US