F27B 3/186
Charging in a vertical chamber adjacent to the melting chamber
Official title: {Charging in a vertical chamber adjacent to the melting chamber}
F27B3/186 (Charging in a vertical chamber adjacent to the melting chamber) appears on 41 US grants and 26 published applications in this corpus.
Search patents in F27B- Granted patents
- 41
- Published applications
- 26
- Assignees
- 31
- Inventors
- 91
- Latest grant
- 26 Mar 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 5 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 3 |
| 2003 | 3 | 2 |
| 2004 | 2 | 2 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 3 |
| 2013 | 0 | 2 |
| 2014 | 0 | 2 |
| 2015 | 3 | 3 |
| 2016 | 0 | 2 |
| 2017 | 2 | 0 |
| 2018 | 3 | 2 |
| 2019 | 0 | 0 |
| 2020 | 1 | 3 |
| 2021 | 1 | 0 |
| 2022 | 1 | 0 |
| 2023 | 1 | 0 |
| 2024 | 2 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- High-temperature flue gas recovery apparatus for melting furnace26 Mar 2024US 11,940,216 B1Zhejiang Hailiang Co., Ltd.
- Electric furnace13 Feb 2024US 11,898,797 B2Nippon Steel Corporation
- Feeder device utilized in electric arc furnace, and flue gas and temperature control method20 Jun 2023US 11,680,749 B2Cisdi Engineering Co., Ltd
- Multi-chamber melting furnace and method for melting non-ferrous scrap metal1 Nov 2022US 11,486,642 B2Gautschi Engineering GmbH
- Systems and methods to preheat ferromagnetic scrap27 Apr 2021US 10,989,475 B2
- Method of producing molten iron2 Jan 2025US 2025/0003684 A1Jfe Steel Corporation
- Electric furnace12 Mar 2020US 2020/0080780 A1Nippon Steel Corporation
- Feeder Device Utilized In Electric Arc Furnace, And Flue Gas And Temperature Control Method6 Feb 2020US 2020/0041206 A1Cisdi Engineering Co., Ltd
- Multi-chamber melting furnace and method for melting non-ferrous scrap metal9 Jan 2020US 2020/0011602 A1Gautschi Engineering GmbH
- Method for making steel in an electric arc furnace25 Oct 2018US 2018/0305778 A1
Most cited
By later US patents
- Smelting plant with removable shaft-like charging material preheater26US 5,153,894 AFuchs Technology AG · 1992
- Electric arc furnace arrangement for producing steel16US 5,471,495 AVoest-Alpine Industrieanlagenbeau GmbH · 1995
- Smelting plant with two melting furnaces arranged in juxtaposed relationship15US 5,264,020 AFuchs Technology AG · 1993
- Electric arc furnace having slag door and post combustion process11US 5,956,365 AFuchs Systems, Inc. · 1999
- Electric arc furnace for continuous charging with ferrous materials and semicontinuous tapping of molten steel11US 6,269,112 B12001