Crucibles or vessels · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C30B13/14 |
| Official title | Crucibles or vessels |
| Display label | Crucibles or vessels |
| Total patents | 30 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 1 |
| 2017 | 4 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 4 |
| 2022 | 3 |
| 2023 | 3 |
| 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-2025320624-A1 · Oct 16, 2025 · US
US-2025283245-A1 · Sep 11, 2025 · US
US-12006589-B2 · Jun 11, 2024 · US
US-2024003052-A1 · Jan 4, 2024 · US
US-2023287596-A1 · Sep 14, 2023 · US
US-11725303-B2 · Aug 15, 2023 · US
US-11661672-B2 · May 30, 2023 · US
US-2022267923-A1 · Aug 25, 2022 · US
US-11312053-B2 · Apr 26, 2022 · US
US-2022033993-A1 · Feb 3, 2022 · US
US-11198951-B2 · Dec 14, 2021 · US
US-2021310150-A1 · Oct 7, 2021 · US
US-11060206-B2 · Jul 13, 2021 · US
US-2021046683-A1 · Feb 18, 2021 · US
US-2020010978-A1 · Jan 9, 2020 · US
US-2019177878-A1 · Jun 13, 2019 · US
US-9951439-B2 · Apr 24, 2018 · US
US-9945047-B2 · Apr 17, 2018 · US
US-9828692-B2 · Nov 28, 2017 · US
Answers are generated from the same data shown on this page.