C21B 2100/24
By shift reactions
Official title: by shift reactions
C21B2100/24 (By shift reactions) appears on 55 US grants and 52 published applications in this corpus.
Search patents in C21B- Granted patents
- 55
- Published applications
- 52
- Assignees
- 44
- Inventors
- 167
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 3 | 3 |
| 2015 | 0 | 2 |
| 2016 | 0 | 2 |
| 2017 | 2 | 3 |
| 2018 | 0 | 5 |
| 2019 | 6 | 0 |
| 2020 | 3 | 1 |
| 2021 | 2 | 1 |
| 2022 | 0 | 5 |
| 2023 | 0 | 4 |
| 2024 | 3 | 8 |
| 2025 | 2 | 7 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for the production of carburized sponge iron28 Jul 2026US 12,692,563 B2HYBRIT Development AB
- Steel making plant with electric arc furnace21 Apr 2026US 12,607,409 B2SMS group GmbH
- Gas production apparatus, gas production system, steel production system, chemical manufacturing system, and gas production method with reduced carbon dioxide emission24 Mar 2026US 12,582,941 B2Sekisui Chemical Co., Ltd.
- Method of operating an electric arc furnace and steel mill24 Mar 2026US 12,584,182 B2Paul Wurth S. A.
- System and method for producing steel23 Dec 2025US 12,503,735 B2Sekisui Chemical Co., Ltd.
- Ironmaking method and associated plant17 Sep 2026US 2026/0275433 A1
- Method of producing reduced iron16 Jul 2026US 2026/0201486 A1Jfe Steel Corporation
- Carbon dioxide capture, carbon resource utilization, and hydrogen production system for steel mill2 Jul 2026US 2026/0183700 A1Lowcarbon Co., Ltd.
- Fluidized bed ironmaking process and system19 Mar 2026US 2026/0078457 A1Charm Industrial, Inc.
- Production of syngas from methanol produced from syngas and/or co215 Jan 2026US 2026/0015298 A1
Most cited
By later US patents
- Production of carbon monoxide by the gasification of carbonaceous materials78US 4,265,868 AKoppers Company, Inc. · 1981
- Method for the direct reduction of iron ore61US 4,160,663 A1979
- Method for the gaseous reduction of metal ores using reducing gas produced by gasification of solid or liquid fossil fuels50US 4,246,024 AGrupo Industrial Alfa, S.A. · 1981
- Gasification plant for direct reduction reactors29US 6,149,859 ATexaco Inc. · 2000
- Production of reducing gas for furnace injection22US 4,363,654 A1982