Substrate heat treatment device
US-2025351234-A1 · Nov 13, 2025 · US
This page is not indexed by search engines while we improve data quality.
of multiple-chamber type
of multiple-chamber type · 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 | F27B5/02 |
| Official title | of multiple-chamber type |
| Display label | of multiple-chamber type |
| Total patents | 24 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 5 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 4 |
| 2022 | 3 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Injector configured for arrangement within a reactor of a vertical furnace and vertical furnace
US-12410518-B2 · Sep 9, 2025 · US
Device and method for magnesium smelting by vacuum carbothermal reduction of calcined dolomite
US-2025109457-A1 · Apr 3, 2025 · US
Retort with loading window
US-11971216-B1 · Apr 30, 2024 · US
Method for removing refractory metal cores
US-11673188-B2 · Jun 13, 2023 · US
Multi-chamber heat treatment device
US-11572614-B2 · Feb 7, 2023 · US
Method for removing refractory metal cores
US-2022168803-A1 · Jun 2, 2022 · US
Method for removing refractory metal cores
US-11325182-B2 · May 10, 2022 · US
Heat treatment system
US-11248846-B2 · Feb 15, 2022 · US
Graphite production method and production device
US-2021403328-A1 · Dec 30, 2021 · US
Injector configured for arrangement within a reactor of a vertical furnace and vertical furnace
US-2021324518-A1 · Oct 21, 2021 · US
Heating furnace
US-2021318066-A1 · Oct 14, 2021 · US
Method for removing refractory metal cores
US-2021283681-A1 · Sep 16, 2021 · US
Heat treatment device
US-10690416-B2 · Jun 23, 2020 · US
Multi-chamber heat treatment device
US-2020095667-A1 · Mar 26, 2020 · US
Multi-chamber heat treatment device
US-10488115-B2 · Nov 26, 2019 · US
Brazing furnace and aluminum-material brazing method
US-2019314916-A1 · Oct 17, 2019 · US
Heat treatment device
US-2018010854-A1 · Jan 11, 2018 · US
Heat treatment system
US-2017370648-A1 · Dec 28, 2017 · US
Multi-chamber heat treatment device
US-2017307296-A1 · Oct 26, 2017 · US