C21C 5/5294
General arrangement or layout of the electric melt shop
Official title: {General arrangement or layout of the electric melt shop}
C21C5/5294 (General arrangement or layout of the electric melt shop) appears on 73 US grants and 49 published applications in this corpus.
Search patents in C21C- Granted patents
- 73
- Published applications
- 49
- Assignees
- 59
- Inventors
- 175
- Latest grant
- 13 Jun 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 4 |
| 2003 | 4 | 2 |
| 2004 | 1 | 2 |
| 2005 | 1 | 3 |
| 2006 | 0 | 2 |
| 2007 | 1 | 4 |
| 2008 | 1 | 2 |
| 2009 | 3 | 3 |
| 2010 | 4 | 4 |
| 2011 | 6 | 3 |
| 2012 | 1 | 3 |
| 2013 | 1 | 1 |
| 2014 | 3 | 2 |
| 2015 | 2 | 4 |
| 2016 | 2 | 2 |
| 2017 | 3 | 2 |
| 2018 | 1 | 1 |
| 2019 | 0 | 1 |
| 2020 | 2 | 0 |
| 2021 | 3 | 2 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
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- Production apparatus and method for electric arc furnace steelmaking with fully continuous ultra-short process16 Nov 2021US 11,174,524 B1University of Science and Technology Beijing
- Steelmaking and ironmaking scrap segregation and packaging system and method thereof7 Sep 2021US 11,112,179 B2Amerifab, Inc.
- Steel scrap preheating-type electric furnace and method for improving heating cold area of side wall charging electric arc furnace23 Feb 2021US 10,928,136 B2Cisdi Engineering Co., Ltd
- Method of batching and scheduling for steelmaking production with plant-wide process consideration14 Jul 2020US 10,713,399 B2Northeastern University
- Method for producing molten iron using electric furnace12 Jun 2025US 2025/0188553 A1Jfe Steel Corporation
- Method for producing molten iron using electric furnace1 Feb 2024US 2024/0035102 A1Jfe Steel Corporation
- Production apparatus and method for electric arc furnace steelmaking with fully continuous ultra-short process18 Nov 2021US 2021/0355554 A1University of Science and Technology Beijing
- Steelmaking and ironmaking scrap segregation and packaging system and method thereof2 Sep 2021US 2021/0270528 A1Amerifab, Inc.
- Steelmaking and ironmaking scrap segregation and packaging system and method thereof28 Feb 2019US 2019/0063838 A1Amerifab, Inc.
Most cited
By later US patents
- Metallurgical plant37US 4,836,510 AVoest-Alpine Aktiengesellschaft · 1989
- Power control system for AC electric arc furnace22US 6,603,795 B2Hatch Associates Ltd. · 2003
- Method and apparatus for double vacuum production of steel13US 5,252,120 AA. Finkl & Sons Co. · 1993
- Continuous scrap preheating12US 5,400,358 AConsteel, S.A. · 1995
- Apparatus for the production of metals by a smelting metallurgical process10US 3,938,788 AFried. Krupp Huttenwerke AG · 1976