C21B 15/02
Metallothermic processes
Official title: Metallothermic processes, e.g. thermit reduction
C21B15/02 (Metallothermic processes) appears on 7 US grants and 13 published applications in this corpus.
Search patents in C21B- Granted patents
- 7
- Published applications
- 13
- Assignees
- 11
- Inventors
- 42
- Latest grant
- 1 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 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 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 0 | 0 |
| 2018 | 2 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 2 |
| 2025 | 0 | 1 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for transition metal oxide reduction1 Oct 2024US 12,104,224 B2Helios Project Ltd.
- Ink compositions for fabricating objects from regoliths and methods of forming the objects6 Oct 2020US 10,793,733 B2Northwestern University
- Method for recovering rare earth element17 Jul 2018US 10,023,938 B2Hitachi Metals, Ltd.
- Green process for the preparation of pure iron30 Jan 2018US 9,879,331 B2Council of Scientific and Industrial Research
- Method for simultaneously producing iron, coke, and power8 Apr 2014US 8,690,986 B2Forest Vue Research, LLC
- A process for transition metal oxide reduction30 Jul 2026US 2026/0218323 A1Helios Project Ltd.
- Process and plant for slag treatment23 Jul 2026US 2026/0209874 A1Danieli & C. Officine Meccaniche SpA
- Iron feedstock conversion system with improved efficiency21 May 2026US 2026/0139337 A1Electrasteel, Inc.
- Silicon Reduction of Iron Oxide25 Dec 2025US 2025/0388986 A1
- Process for Transition Metal Oxide Reduction5 Dec 2024US 2024/0401168 A1Helios Project Ltd.
Most cited
By later US patents
- Ink compositions for fabricating objects from regoliths and methods of forming the objects6US 10,793,733 B2Northwestern University · 2020
- Thermite process for producing a metal or alloy3US 5,152,830 AJapan Metals and Chemical Co., Ltd. · 1992
- Green process for the preparation of pure iron1US 9,879,331 B2Council of Scientific and Industrial Research · 2018