C22B 19/08
In blast furnaces
Official title: in blast furnaces
C22B19/08 (In blast furnaces) appears on 5 US grants and 3 published applications in this corpus.
Search patents in C22B- Granted patents
- 5
- Published applications
- 3
- Assignees
- 9
- Inventors
- 14
- Latest grant
- 9 Aug 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 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 | 0 | 0 |
| 1994 | 0 | 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 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for the recovery of zinc9 Aug 2022US 11,408,054 B2Tata Steel Nederland Technology B.V.
- Method and apparatus for lead smelting13 Mar 2012US 8,133,295 B2Xstrata Technology Pty Ltd.
- Tank furnace for the metallurgical treatment of non-ferrous metals27 Sep 1988US 4,773,630 AShamprogetti S.p.A.
- Blast furnace smelting of zinc15 Jul 1980US 4,212,667 AMetallurgical Development Company
- Method of recovering valuable metals from zinc bearing materials and blast furnace relevant thereto14 Aug 1979US 4,164,418 AMitsui Mining & Smelting Co., Ltd.
- Method for the recovery of zinc18 Feb 2021US 2021/0047709 A1Tata Steel Nederland Technology B.V.
- Method of recovery of zinc and other metals from metallurgical fines25 Oct 2018US 2018/0305789 A1American Zinc Recycling Corp.
- Method and apparatus for lead smelting16 Oct 2008US 2008/0250900 A1Xstrata Technology Pty Ltd.
Most cited
By later US patents
- Tank furnace for the metallurgical treatment of non-ferrous metals8US 4,773,630 AShamprogetti S.p.A. · 1988
- Method of recovering valuable metals from zinc bearing materials and blast furnace relevant thereto1US 4,164,418 AMitsui Mining & Smelting Co., Ltd. · 1979
- Blast furnace smelting of zinc1US 4,212,667 AMetallurgical Development Company · 1980