C21B 5/004
Injection of slurries
Official title: {Injection of slurries}
C21B5/004 (Injection of slurries) appears on 16 US grants and 5 published applications in this corpus.
Search patents in C21B- Granted patents
- 16
- Published applications
- 5
- Assignees
- 15
- Inventors
- 22
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 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 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for operation of blast furnace3 Mar 2026US 12,565,688 B2Kobe Steel, Ltd.
- Blast furnace and method for operating a blast furnace14 May 2019US 10,287,643 B2CCP Technology GmbH
- Lance for injecting highly-loaded coal slurries into the blast furnace26 Jul 1988US 4,759,532 ANuova Italsider S.p.A.
- Coal-water slurry and method for its preparation25 Nov 1986US 4,624,680 AAlfred University Research Foundation, Inc.
- Carbon foam usable as blast-furnace fuel and method of making same28 Jan 1986US 4,566,877 AInstitut de Recherches de la Siderurgie Francaise
- Method for operation of blast furnace9 Jun 2022US 2022/0177985 A1Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Blast furnace and method for operating a blast furnace5 Jan 2017US 2017/0002433 A1CCP Technology GmbH
- Non-corrosive treatment to enhance pressurized and non-pressurized pulverized coal combustion8 Oct 2009US 2009/0253085 A1General Electric Company
- Non-corrosive treatment to enhance pressurized and non-pressurized pulvarized coal combustion15 Feb 2007US 2007/0033864 A1General Electric Company
- Non-corrosive treatment to enhance pressurized and non-pressurized pulverized coal combustion19 Aug 2004US 2004/0159184 A1General Electric Company
Most cited
By later US patents
- Coal-water slurry and method for its preparation67US 4,282,006 AAlfred University Research Foundation, Inc. · 1981
- Process and apparatus for feeding particulate material into a pressure vessel23US 4,488,838 ATextron Inc. · 1984
- Stabilized slurry and process for preparing same15US 4,479,806 AAlfred University Research Foundation, Inc. · 1984
- Stabilized fuel slurry12US 4,030,894 AInterlake, Inc. · 1977
- Stabilized fuel slurry12US 4,153,421 AInterlake, Inc. · 1979