F27D 17/304
Specially adapted for electric arc furnaces
Official title: {specially adapted for electric arc furnaces}
F27D17/304 (Specially adapted for electric arc furnaces) appears on 118 US grants and 58 published applications in this corpus.
Search patents in F27D- Granted patents
- 118
- Published applications
- 58
- Assignees
- 81
- Inventors
- 247
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 5 | 0 |
| 1984 | 7 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 6 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 9 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 0 |
| 2002 | 3 | 2 |
| 2003 | 1 | 2 |
| 2004 | 0 | 2 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 2 |
| 2008 | 1 | 2 |
| 2009 | 1 | 1 |
| 2010 | 2 | 3 |
| 2011 | 1 | 1 |
| 2012 | 2 | 3 |
| 2013 | 1 | 4 |
| 2014 | 1 | 3 |
| 2015 | 2 | 1 |
| 2016 | 0 | 3 |
| 2017 | 4 | 2 |
| 2018 | 0 | 3 |
| 2019 | 2 | 2 |
| 2020 | 2 | 5 |
| 2021 | 2 | 2 |
| 2022 | 4 | 1 |
| 2023 | 3 | 1 |
| 2024 | 2 | 4 |
| 2025 | 4 | 6 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Steel making plant with electric arc furnace21 Apr 2026US 12,607,409 B2SMS group GmbH
- Method of operating an electric arc furnace and steel mill24 Mar 2026US 12,584,182 B2Paul Wurth S. A.
- Carbon dioxide emission reduction system for electric arc furnaces utilizing algae for carbon dioxide absorbtion16 Sep 2025US 12,416,055 B1CIX Inc.
- Process and plant for preheating a metal charge fed in continuous to an electric melting furnace15 Jul 2025US 12,359,873 B2
- Reactors and methods for production of sustainable chemicals using carbon emissions of metallurgical furnaces25 Mar 2025US 12,258,671 B2Dioxycle
- Carbon Monoxide Electrolyzers used with Reverse Water Gas Shift Reactors for the Conversion of Carbon Dioxide into Added-Value Products16 Jul 2026US 2026/0201576 A1Dioxycle
- Furnace vessel for electric arc, metallurgical or refining furnaces and system thereof28 May 2026US 2026/0146795 A1
- Carbon dioxide emission reduction system for electric arc furnaces utilizing algae for carbon dioxide absorbtion8 Jan 2026US 2026/0009094 A1CIX Inc.
- Method for operating electric furnace18 Dec 2025US 2025/0383152 A1Hyundai Steel Company
- Carbon dioxide emission reduction system for electric arc furnaces utilizing algae for carbon dioxide absorbtion11 Sep 2025US 2025/0283184 A1CIX Inc.
Most cited
By later US patents
- Electric arc furnace post combustion method38US 5,572,544 APraxair Technology, Inc. · 1996
- Metallurgical plant37US 4,836,510 AVoest-Alpine Aktiengesellschaft · 1989
- Process and an apparatus for producing metals and metal alloys36US 6,440,195 B1Technological Resources Pty. Limited · 2002
- Apparatus for continuous steelmaking18US 4,543,124 AIntersteel Technology, Inc. · 1985
- Method for continuous steelmaking16US 4,564,388 AIntersteel Technology, Inc. · 1986