C22C 33/006
Compositions used for making ferrous alloys
Official title: {compositions used for making ferrous alloys}
C22C33/006 (Compositions used for making ferrous alloys) appears on 40 US grants and 56 published applications in this corpus.
Search patents in C22C- Granted patents
- 40
- Published applications
- 56
- Assignees
- 46
- Inventors
- 149
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 4 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 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 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 2 |
| 2015 | 1 | 2 |
| 2016 | 1 | 4 |
| 2017 | 0 | 5 |
| 2018 | 1 | 3 |
| 2019 | 1 | 1 |
| 2020 | 1 | 2 |
| 2021 | 2 | 2 |
| 2022 | 0 | 8 |
| 2023 | 2 | 5 |
| 2024 | 4 | 4 |
| 2025 | 6 | 12 |
| 2026 | 5 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ferrosilicon vanadium and/or niobium alloy, production of a ferrosilicon vanadium and/or niobium alloy, and the use thereof6 Oct 2026US 12,753,470 B2Elkem ASA
- Alloy for high-stress gouging abrasion11 Aug 2026US 12,703,903 B2Weir Minerals Australia Ltd.
- Process for smelting steel for ultrafine silicon carbide sawing wire9 Jun 2026US 12,649,958 B2Baoshan Iron & Steel Co., Ltd.
- Iron nitride compositions12 May 2026US 12,624,428 B2Regents of the University of Minnesota
- Neodymium-iron-boron magnet material, raw material composition, preparation method therefor and use thereof21 Apr 2026US 12,609,224 B2FUJIAN GOLDEN DRAGON RARE-EARTH Co., Ltd.
- Low-sulfur granulated metallic units, and associated systems, devices, and methods14 May 2026US 2026/0131376 A1Suncoke Technology and Development LLC
- Treating cooling water in iron production facilities, and associated systems, devices, and methods26 Feb 2026US 2026/0054312 A1Suncoke Technology and Development LLC
- Low-carbon granulated metallic units, and associated systems, devices, and methods19 Feb 2026US 2026/0048434 A1Suncoke Technology and Development LLC
- Use of residual iron within granulated metallic unit production facilities, and associated systems, devices, and methods5 Feb 2026US 2026/0034581 A1Suncoke Technology and Development LLC
- Continuous granulated metallic units production, and associated systems, devices, and methods1 Jan 2026US 2026/0001124 A1Suncoke Technology and Development LLC
Most cited
By later US patents
- Method of reducing metal oxide in a rotary hearth furnace heated by an oxidizing flame31US 5,567,224 AArmco Inc. · 1996
- Facile synthesis of graphene, graphene derivatives and abrasive nanoparticles and their various uses, including as tribologically-beneficial lubricant additives20US 8,865,113 B2Peerless Worldwide, LLC · 2014
- Facile synthesis of graphene, graphene derivatives and abrasive nanoparticles and their various uses, including as tribologically-beneficial lubricant additives12US 9,023,308 B2Peerless Worldwide, LLC · 2015
- Iron bearing briquet and method of making8US 4,728,358 AMidrex International B.V. Rotterdam, Zurich Branch · 1988
- Inoculant for gray cast iron8US 5,008,074 AAmerican Alloys, Inc. · 1991