Heating of the molten zone · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C30B13/16 |
| Official title | Heating of the molten zone |
| Display label | Heating of the molten zone |
| 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 | 3 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 1 |
| 2021 | 2 |
| 2022 | 4 |
| 2023 | 4 |
| 2024 | 2 |
| 2025 | 3 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12467158-B2 · Nov 11, 2025 · US
US-2025283245-A1 · Sep 11, 2025 · US
US-12247317-B2 · Mar 11, 2025 · US
US-12006589-B2 · Jun 11, 2024 · US
US-2024003052-A1 · Jan 4, 2024 · US
US-11846037-B2 · Dec 19, 2023 · US
US-2023287596-A1 · Sep 14, 2023 · US
US-11725303-B2 · Aug 15, 2023 · US
US-11661672-B2 · May 30, 2023 · US
US-2022325439-A1 · Oct 13, 2022 · US
US-2022307157-A1 · Sep 29, 2022 · US
US-2022267923-A1 · Aug 25, 2022 · US
US-2022033993-A1 · Feb 3, 2022 · US
US-2021310150-A1 · Oct 7, 2021 · US
US-11060206-B2 · Jul 13, 2021 · US
US-2019177878-A1 · Jun 13, 2019 · US
US-10066320-B2 · Sep 4, 2018 · US
US-9932690-B2 · Apr 3, 2018 · US
US-2017283986-A1 · Oct 5, 2017 · US
US-9567691-B2 · Feb 14, 2017 · US
Answers are generated from the same data shown on this page.