C21B 5/008
Composition or distribution of the charge
Official title: {Composition or distribution of the charge}
C21B5/008 (Composition or distribution of the charge) appears on 91 US grants and 111 published applications in this corpus.
Search patents in C21B- Granted patents
- 91
- Published applications
- 111
- Assignees
- 69
- Inventors
- 329
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 3 |
| 2005 | 0 | 1 |
| 2006 | 2 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 1 | 1 |
| 2010 | 1 | 4 |
| 2011 | 2 | 4 |
| 2012 | 1 | 5 |
| 2013 | 3 | 3 |
| 2014 | 2 | 0 |
| 2015 | 4 | 7 |
| 2016 | 0 | 3 |
| 2017 | 4 | 4 |
| 2018 | 2 | 2 |
| 2019 | 1 | 2 |
| 2020 | 2 | 5 |
| 2021 | 3 | 4 |
| 2022 | 2 | 7 |
| 2023 | 6 | 5 |
| 2024 | 2 | 19 |
| 2025 | 11 | 19 |
| 2026 | 3 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Production method of pig iron10 Feb 2026US 12,545,970 B2Kabushiki Kaisha Kobe Seiko Sho
- Use of residual iron within granulated metallic unit production facilities, and associated systems, devices, and methods11 Nov 2025US 12,465,973 B2Suncoke Technology and Development LLC
- Continuous granulated metallic units production, and associated systems, devices, and methods30 Sep 2025US 12,427,569 B2Suncoke Technology and Development LLC
- Sintered ore and method for producing same, and sintered ore for hydrogen reduction and method for producing same27 Aug 2026US 2026/0250798 A1Jfe Steel Corporation
- Process control method, blast furnace operation method, hot metal production method, process control device, and program30 Jul 2026US 2026/0218321 A1Jfe Steel Corporation
- Blast furnace operating method16 Jul 2026US 2026/0201484 A1Jfe Steel Corporation
- Temperature-measuring device and temperature-measuring method11 Jun 2026US 2026/0160611 A1Jfe Steel Corporation
- Low-sulfur granulated metallic units, and associated systems, devices, and methods14 May 2026US 2026/0131376 A1Suncoke Technology and Development LLC
Most cited
By later US patents
- Bio-reduction of metal ores integrated with biomass pyrolysis29US 11,753,698 B2Carbon Technology Holdings, LLC · 2023
- Treatment process for resins or organic compounds, or waste plastics containing them17US 6,436,168 B1Nippon Steel Corporation · 2002
- Method and apparatus for improved use of primary energy sources in integrated steel plants17US 6,986,800 B2Hylsa S.A. de C.V. · 2006
- Foundry coke products, and associated systems, devices, and methods10US 11,851,724 B2Suncoke Technology and Development LLC · 2023
- Use of prereduced ore in a blast furnace10US 4,248,624 AHylsa, S. A. · 1981