Method of heat treating a steel component
US-12534793-B2 · Jan 27, 2026 · US
Molten salts · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C21D1/607 |
| Official title | Molten salts |
| Display label | Molten salts |
| Total patents | 25 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 4 |
| 2017 | 3 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 4 |
| 2024 | 3 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12534793-B2 · Jan 27, 2026 · US
US-2024318690-A1 · Sep 26, 2024 · US
US-2024279762-A1 · Aug 22, 2024 · US
US-2024033816-A1 · Feb 1, 2024 · US
US-11534831-B2 · Dec 27, 2022 · US
US-2022389559-A1 · Dec 8, 2022 · US
US-2022364195-A1 · Nov 17, 2022 · US
US-11441204-B2 · Sep 13, 2022 · US
US-2021355561-A1 · Nov 18, 2021 · US
US-11118253-B2 · Sep 14, 2021 · US
US-10920296-B2 · Feb 16, 2021 · US
US-2020407812-A1 · Dec 31, 2020 · US
US-10704126-B2 · Jul 7, 2020 · US
US-2020181726-A1 · Jun 11, 2020 · US
US-10428401-B2 · Oct 1, 2019 · US
US-2019119798-A1 · Apr 25, 2019 · US
US-2017342521-A1 · Nov 30, 2017 · US
US-2017268086-A1 · Sep 21, 2017 · US
US-9651105-B2 · May 16, 2017 · US
US-2016348206-A1 · Dec 1, 2016 · US
Answers are generated from the same data shown on this page.