C21C 2300/08
Particular sequence of the process steps
C21C2300/08 (Particular sequence of the process steps) appears on 24 US grants and 43 published applications in this corpus.
Search patents in C21C- Granted patents
- 24
- Published applications
- 43
- Assignees
- 20
- Inventors
- 137
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 5 |
| 2011 | 1 | 3 |
| 2012 | 1 | 2 |
| 2013 | 3 | 2 |
| 2014 | 1 | 2 |
| 2015 | 1 | 3 |
| 2016 | 0 | 0 |
| 2017 | 3 | 2 |
| 2018 | 1 | 1 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 3 | 1 |
| 2022 | 0 | 3 |
| 2023 | 0 | 2 |
| 2024 | 0 | 10 |
| 2025 | 4 | 1 |
| 2026 | 3 | 3 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Converter steelmaking method23 Jun 2026US 12,662,712 B2Jfe Steel Corporation
- Method for manufacturing low-phosphorus molten steel9 Jun 2026US 12,649,955 B2Jfe Steel Corporation
- Refining process control device and refining process control method7 Apr 2026US 12,595,523 B2Jfe Steel Corporation
- Sustainable steel production with co-generation of hydrogen23 Dec 2025US 12,503,737 B2Saudi Arabian Oil Company
- Additive for treating molten iron to produce cast iron with zero contraction and with Lonsdaleite-type spheroidal graphite5 Aug 2025US 12,378,618 B2
- System to produce green steel through electric arc furnace with very low ghg emission intensity16 Jul 2026US 2026/0201487 A1Saarloha Advanced Materials Private Limited
- Method for manufacturing steel30 Apr 2026US 2026/0117333 A1Hyundai Steel Company
- Method for producing and preparing steel bar for automotive bushings by means of ecological and economical arc furnace5 Feb 2026US 2026/0035775 A1Bengang Steel Plates Co., Ltd.
- Additive for treating molten iron to produce cast iron with zero contraction and with lonsdaleite-type spheroidal graphite11 Sep 2025US 2025/0283187 A1
- Molten pig iron manufacturing method7 Nov 2024US 2024/0368716 A1Nippon Steel Corporation
Most cited
By later US patents
- Method for homogenizing steel compositions6US 10,738,367 B2TerraPower, LLC · 2020
- Method for producing steel ingot4US 7,597,737 B2Hitachi Metals, Ltd. · 2009
- Low cost making of a low carbon, low sulfur, and low nitrogen steel using conventional steelmaking equipment4US 8,105,415 B2Nucor Corporation · 2012
- Method and device for producing stainless steel without using a supply of electrical energy, based on pig-iron that has been pre-treated in a DDD installation1US 8,048,196 B2SMS Siemag Aktiengesellschaft · 2011
- Method of desulfurizing steel1US 8,523,977 B2Nucor Corporation · 2013