C21B 2300/00
Process aspects
C21B2300/00 (Process aspects) appears on 76 US grants and 147 published applications in this corpus.
Search patents in C21B- Granted patents
- 76
- Published applications
- 147
- Assignees
- 59
- Inventors
- 292
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 2 | 5 |
| 2012 | 1 | 1 |
| 2013 | 1 | 0 |
| 2014 | 2 | 25 |
| 2015 | 6 | 4 |
| 2016 | 9 | 6 |
| 2017 | 6 | 2 |
| 2018 | 3 | 2 |
| 2019 | 1 | 8 |
| 2020 | 9 | 2 |
| 2021 | 1 | 3 |
| 2022 | 3 | 12 |
| 2023 | 2 | 16 |
| 2024 | 4 | 30 |
| 2025 | 11 | 12 |
| 2026 | 12 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Optimal calculation method of energy operating condition in iron mill, optimal calculation device of energy operating condition in iron mill, and running method of iron mill12 May 2026US 12,624,403 B2Jfe Steel Corporation
- Method for operating blast furnace12 May 2026US 12,624,404 B2Jfe Steel Corporation
- Systems and methods for steel production14 Apr 2026US 12,601,020 B2Pathfinder Holdings Corp.
- Method and device for producing direct reduced metal7 Apr 2026US 12,595,521 B2Greeniron H2 AB
- Method of operating an electric arc furnace and steel mill24 Mar 2026US 12,584,182 B2Paul Wurth S. A.
- Systems and methods for direct reduction of iron ore24 Sep 2026US 2026/0287255 A1Uchicago Argonne, LLC
- Method for operating a plant network17 Sep 2026US 2026/0275435 A1ThyssenKrupp Steel Europe AG
- Hot metal temperature control method, hot metal temperature control device, hot metal temperature control system, and terminal device20 Aug 2026US 2026/0242883 A1Jfe Steel Corporation
- Method for producing molten iron6 Aug 2026US 2026/0226569 A1Jfe Steel Corporation
- Furnace heat prediction data creation device and method therefor, and furnace heat prediction device and method therefor6 Aug 2026US 2026/0228384 A1Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
Most cited
By later US patents
- Integrated power generation and carbon capture using fuel cells14US 9,077,006 B2ExxonMobil Research and Engineering Company · 2015
- Method for operating a blast furnace13US 6,302,941 B1NKK Corporation · 2001
- Integration of molten carbonate fuel cells with fermentation processes11US 9,520,607 B2ExxonMobil Research and Engineering Company · 2016
- Integration of molten carbonate fuel cells in iron and steel processing10US 10,093,997 B2ExxonMobil Research and Engineering Company · 2018
- Integrated electrical power and chemical production using fuel cells9US 9,455,463 B2ExxonMobil Research and Engineering Company · 2016