Orthorhombic cspbi3 microwires for sensitive flexible high-resolution x-ray detectors
US-2025176351-A1 · May 29, 2025 · US
by normal casting or gradient freezing
by normal casting or gradient freezing · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C30B21/02 |
| Official title | by normal casting or gradient freezing |
| Display label | by normal casting or gradient freezing |
| Total patents | 36 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 8 |
| 2017 | 9 |
| 2018 | 2 |
| 2019 | 5 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 3 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Arcuate seed casting method
US-12123104-B2 · Oct 22, 2024 · US
Arcuate Seed Casting Method
US-2022325434-A1 · Oct 13, 2022 · US
SiC ingot and method of manufacturing SiC ingot
US-11459669-B2 · Oct 4, 2022 · US
Arcuate seed casting method
US-11377753-B2 · Jul 5, 2022 · US
Arcuate Seed Casting Method
US-2021102310-A1 · Apr 8, 2021 · US
Ultra-high temperature precipitation process for manufacturing polysilicon
US-10683209-B2 · Jun 16, 2020 · US
Method for forming components using additive manufacturing and re-melt
US-10570744-B2 · Feb 25, 2020 · US
Metal casting apparatus, cast work piece and method therefor
US-10421120-B2 · Sep 24, 2019 · US
Separate vessel metal shielding method for magnetic flux in directional solidification furnace
US-10337121-B2 · Jul 2, 2019 · US
SiC INGOT AND METHOD OF MANUFACTURING SiC INGOT
US-2019194822-A1 · Jun 27, 2019 · US
Separate vessel metal shielding method for magnetic flux in directional solidification furnace
US-2019127882-A1 · May 2, 2019 · US
Hydrogen storing alloy and production method thereof
US-10243203-B2 · Mar 26, 2019 · US
Group III nitride crystal substrate, epilayer-containing group III nitride crystal substrate, semiconductor device and method of manufacturing the same
US-10113248-B2 · Oct 30, 2018 · US
Ultra-high temperature precipitation process for manufacturing polysilicon
US-2018297853-A1 · Oct 18, 2018 · US
Group iii nitride crystal substrate, epilayer-containing group iii nitride crystal substrate, semiconductor device and method of manufacturing the same
US-2017283988-A1 · Oct 5, 2017 · US
Method for forming a directionally solidified replacement body for a component using additive manufacturing
US-9770758-B2 · Sep 26, 2017 · US
Hydrogen storing alloy and production method thereof
US-2017250397-A1 · Aug 31, 2017 · US
Mould for monocrystalline casting
US-9744587-B2 · Aug 29, 2017 · US
Method for forming components using additive manufacturing and re-melt
US-9718127-B2 · Aug 1, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C30B21/02?
- CPC C30B21/02 is the Cooperative Patent Classification code for “by normal casting or gradient freezing.”
- How many patents are filed under CPC C30B21/02 (by normal casting or gradient freezing)?
- Our database includes 36 publications tagged with this CPC code.
- Is patent activity under CPC C30B21/02 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).