F27M 2001/023
Ferrites
F27M2001/023 (Ferrites) appears on 6 US grants and 4 published applications in this corpus.
Search patents in F27M- Granted patents
- 6
- Published applications
- 4
- Assignees
- 4
- Inventors
- 5
- Latest grant
- 18 Oct 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 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 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Electric furnace18 Oct 2022US 11,473,841 B2Nippon Steel Corporation
- Supplying solid feed materials for a direct smelting process9 Sep 2008US 7,422,622 B2Technologies Resources Pty Ltd.
- Supplying solid feed materials for a direct smelting process24 Jan 2006US 6,989,126 B2Technologies Resources Pty Ltd.
- Apparatus for injecting solid particulate material into a vessel4 Jun 2002US 6,398,842 B2Technological Resources Pty. Limited
- Process for reducing the oxygen content of the atmosphere in a heat treatment furnace and heat treatment furnace for carrying out this process25 Dec 1984US 4,490,108 ALudwig Riedhammer GmbH & Co. KG
- Electric furnace27 Feb 2020US 2020/0064071 A1Nippon Steel Corporation
- Supplying solid feed materials for a direct smelting process16 Jun 2005US 2005/0127581 A1Technologies Resources Pty Ltd.
- Supplying solid feed materials for a direct smelting process17 Apr 2003US 2003/0071399 A1Technologies Resources Pty Ltd.
- Apparatus for injecting solid particulate material into a vessel23 Aug 2001US 2001/0015516 A1Technological Resources Pty. Limited
Most cited
By later US patents
- Process for reducing the oxygen content of the atmosphere in a heat treatment furnace and heat treatment furnace for carrying out this process11US 4,490,108 ALudwig Riedhammer GmbH & Co. KG · 1984
- Apparatus for injecting solid particulate material into a vessel11US 6,398,842 B2Technological Resources Pty. Limited · 2002
- Supplying solid feed materials for a direct smelting process6US 6,989,126 B2Technologies Resources Pty Ltd. · 2006
- Supplying solid feed materials for a direct smelting process4US 7,422,622 B2Technologies Resources Pty Ltd. · 2008
- Sintering furnace1US 4,106,893 ALudwig Riedhammer GmbH & Co. KG · 1978