C22B 15/0039
In electric furnaces
Official title: {in electric furnaces}
C22B15/0039 (In electric furnaces) appears on 17 US grants and 10 published applications in this corpus.
Search patents in C22B- Granted patents
- 17
- Published applications
- 10
- Assignees
- 15
- Inventors
- 44
- Latest grant
- 30 Jun 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 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 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 2 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 2 |
| 2019 | 1 | 1 |
| 2020 | 2 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Manufacturing method of crude copper from low-grade copper sludge30 Jun 2020US 10,697,041 B2Sungeel Himetal
- Process and system for recycling E-waste material10 Mar 2020US 10,584,399 B2BlueOak Arkansas
- Method and carrier for transporting reductant such as coke into a metallurgical furnace and production method of the carrier2 Jul 2019US 10,337,084 B2Outotec (Finland) Oy
- Method and arrangement for refining copper concentrate28 Feb 2017US 9,580,771 B2Outotec (Finland) Oy
- Method for recovering valuable metals1 Dec 2015US 9,203,126 B2Sumitomo Metal Mining Co., Ltd.
- Electric arc furnace8 Jun 2023US 2023/0175780 A1Digimet 2013 Sl
- Intelligent system for controlling operational parameters of a smelting furnace5 Jan 2023US 2023/0003450 A1Codelcotec SPA
- Process and system for recycling e-waste material24 Jan 2019US 2019/0024210 A1BlueOak Arkansas
- Method and carrier for transporting reductant such as coke into a metallurgical furnace and production method of the carrier28 Jun 2018US 2018/0179613 A1Outotec (Finland) Oy
- Manufacturing method of crude copper from low-grade copper sludge31 May 2018US 2018/0148812 A1Sungeel Himetal
Most cited
By later US patents
- Method of producing blister copper13US 4,144,055 ABoliden Aktiebolag · 1979
- Process for treating lead-copper-sulphur charges9US 4,162,915 AMetallurgie Hoboken-Overpelt · 1979
- Tank furnace for the metallurgical treatment of non-ferrous metals8US 4,773,630 AShamprogetti S.p.A. · 1988
- Process for continuous copper smelting6US 5,217,527 AMitsubishi Materials Corporation · 1993
- Method of producing blister copper5US 4,204,861 ABoliden Aktiebolag · 1980