C21B 13/0033
In fluidised bed furnaces or apparatus containing a dispersion of the material
Official title: {In fluidised bed furnaces or apparatus containing a dispersion of the material}
C21B13/0033 (In fluidised bed furnaces or apparatus containing a dispersion of the material) appears on 155 US grants and 99 published applications in this corpus.
Search patents in C21B- Granted patents
- 155
- Published applications
- 99
- Assignees
- 95
- Inventors
- 322
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 6 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 6 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 6 | 0 |
| 1999 | 12 | 0 |
| 2000 | 10 | 0 |
| 2001 | 13 | 2 |
| 2002 | 5 | 6 |
| 2003 | 6 | 1 |
| 2004 | 1 | 4 |
| 2005 | 2 | 3 |
| 2006 | 3 | 5 |
| 2007 | 0 | 3 |
| 2008 | 1 | 6 |
| 2009 | 5 | 6 |
| 2010 | 7 | 3 |
| 2011 | 7 | 2 |
| 2012 | 3 | 3 |
| 2013 | 0 | 2 |
| 2014 | 1 | 2 |
| 2015 | 3 | 2 |
| 2016 | 2 | 8 |
| 2017 | 2 | 0 |
| 2018 | 4 | 1 |
| 2019 | 3 | 0 |
| 2020 | 2 | 2 |
| 2021 | 1 | 0 |
| 2022 | 0 | 5 |
| 2023 | 1 | 3 |
| 2024 | 4 | 13 |
| 2025 | 2 | 12 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Zigzag flow reactor for heterogenous thermochemical reduction8 Sep 2026US 12,728,457 B2Arizona Board of Regents on behalf of Arizona State University
- Method and device for producing direct reduced metal7 Apr 2026US 12,595,521 B2Greeniron H2 AB
- Method for the direct reduction of iron ore29 Apr 2025US 12,286,679 B2ThyssenKrupp Steel Europe AG
- Process for the smelting of a metalliferous feedstock material4 Mar 2025US 12,241,133 B2African Rainbow Minerals Limited
- Hydrogen reduction of iron ore concentrate in loose layers and compacts10 Dec 2024US 12,163,198 B2University of Utah Research Foundation
- Zigzag flow reactor for heterogenous thermochemical reduction1 Oct 2026US 2026/0295671 A1Arizona Board of Regents on behalf of Arizona State University
- Ironmaking method and associated plant17 Sep 2026US 2026/0275433 A1
- Direct Reduced Iron Pellets and Use Thereof16 Apr 2026US 2026/0103768 A1HYBRIT Development AB
- Fluidized bed ironmaking process and system19 Mar 2026US 2026/0078457 A1Charm Industrial, Inc.
- Adjusting carbon content in direct reduced iron12 Feb 2026US 2026/0043101 A1Primetals Technologies Austria GmbH
Most cited
By later US patents
- Cryoplasty device and method384US 5,868,735 ASciMed Life Systems, Inc. · 1999
- Cryoplasty device and method227US 6,290,696 B1SciMed Life Systems, Inc. · 2001
- Cryoplasty device and method182US 6,648,878 B2SciMed Life Systems, Inc. · 2003
- Cryoplasty device and method170US 7,022,120 B2SciMed Life Systems, Inc. · 2006
- Process for the direct reduction of particulate iron-containing material and a plant for carrying out the process50US 5,833,734 ABrifer International Ltd. · 1998