Free-cutting steel and manufacturing method thereof
US-12404573-B2 · Sep 2, 2025 · US
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Blooms or billets
Blooms or billets · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B21B2001/022 |
| Official title | {Blooms or billets} |
| Display label | Blooms or billets |
| Total patents | 12 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 3 |
| 2022 | 1 |
| 2023 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Ultra-thick steel material having excellent strength and low temperature impact toughness for flange, and manufacturing method therefor
US-2025229310-A1 · Jul 17, 2025 · US
High-strength low-carbon martensitic high hole expansion steel and manufacturing method therefor
US-2023313332-A1 · Oct 5, 2023 · US
Free-cutting steel and manufacturing method thereof
US-2023029298-A1 · Jan 26, 2023 · US
Titanium cast product for hot rolling unlikely to exhibit surface defects and method of manufacturing the same
US-11504765-B2 · Nov 22, 2022 · US
Rolling plant for rolling billets or blooms
US-2019374987-A1 · Dec 12, 2019 · US
Steel pipe for line pipe and method of manufacturing the same
US-10487373-B2 · Nov 26, 2019 · US
Titanium casting product for hot rolling and method for producing the same
US-10350658-B2 · Jul 16, 2019 · US
Steel pipe for line pipe and method for manufacturing the same
US-2018187278-A1 · Jul 5, 2018 · US
Titanium cast product for hot rolling unlikely to exhibit surface defects and method of manufacturing the same
US-2017304891-A1 · Oct 26, 2017 · US
Titanium casting product for hot rolling and method for producing the same
US-2017282231-A1 · Oct 5, 2017 · US
Production method of seamless tube using round bar made of high Cr-high Ni alloy
US-9468959-B2 · Oct 18, 2016 · US