F27M 2003/13
Smelting
F27M2003/13 (Smelting) appears on 14 US grants and 22 published applications in this corpus.
Search patents in F27M- Granted patents
- 14
- Published applications
- 22
- Assignees
- 24
- Inventors
- 85
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 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 | 2 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 1 | 5 |
| 2024 | 0 | 1 |
| 2025 | 1 | 3 |
| 2026 | 0 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System for treating tin smelting intermediate materials and method for treating same9 Dec 2025US 12,492,446 B2Kunming University of Science and Technology
- Magnesium alloy material smelting device12 Dec 2023US 11,841,191 B2CITIC Dicastal Co., Ltd.
- Chaotic stirring device and method combining plasma arc smelting and permanent magnet30 Aug 2022US 11,428,471 B2Shanghai University
- Sulphur dioxide treatment27 Jun 2017US 9,687,780 B2Le Gaz Integral SAS
- Starting a smelting process12 Apr 2016US 9,309,579 B2Technological Resources Pty. Limited
- Method and system for the production of different products under different reduction conditions in different portions of a shaft furnace27 Aug 2026US 2026/0250790 A1Midrex Technologies, Inc.
- Shaft furnace for the smelting of copper and method therefor20 Aug 2026US 2026/0242893 A1SMS group GmbH
- Flash smelting furnace, flash smelting furnace operation method, and metal smelting method13 Aug 2026US 2026/0234750 A1JX Advanced Metals Corporation
- High-efficiency photonic furnaces for metal production19 Mar 2026US 2026/0078956 A1Limelight Steel Inc.
- A gas heater assembly for a gas heating process and a system for a gas heating process12 Mar 2026US 2026/0071751 A1Luossavaara-Kiirunavaara AB
Most cited
By later US patents
- Flash smelting furnace37US 5,042,964 AAmerican Combustion, Inc. · 1991
- Vertically fitted portable electric furnace12US 5,539,183 A1996
- 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
- Method and apparatus for heating and smelting pulverous solids and for volatilizing the volatile ingredients thereof in a suspension smelting furnace5US 5,181,955 AOutokumpu Research Oy · 1993