C21C 7/06
Deoxidising
Official title: Deoxidising, e.g. killing
C21C7/06 (Deoxidising) appears on 210 US grants and 212 published applications in this corpus.
Search patents in C21C- Granted patents
- 210
- Published applications
- 212
- Assignees
- 131
- Inventors
- 788
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 7 | 0 |
| 1978 | 7 | 0 |
| 1979 | 8 | 0 |
| 1980 | 6 | 0 |
| 1981 | 7 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 3 | 6 |
| 2004 | 6 | 5 |
| 2005 | 1 | 2 |
| 2006 | 1 | 3 |
| 2007 | 2 | 1 |
| 2008 | 2 | 7 |
| 2009 | 1 | 6 |
| 2010 | 3 | 14 |
| 2011 | 6 | 8 |
| 2012 | 9 | 9 |
| 2013 | 3 | 8 |
| 2014 | 6 | 5 |
| 2015 | 7 | 6 |
| 2016 | 3 | 6 |
| 2017 | 7 | 10 |
| 2018 | 3 | 4 |
| 2019 | 8 | 8 |
| 2020 | 4 | 7 |
| 2021 | 3 | 8 |
| 2022 | 8 | 10 |
| 2023 | 5 | 21 |
| 2024 | 9 | 18 |
| 2025 | 18 | 22 |
| 2026 | 8 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for producing chromium-containing molten steel16 Jun 2026US 12,655,488 B2Jfe Steel Corporation
- Process for smelting steel for ultrafine silicon carbide sawing wire9 Jun 2026US 12,649,958 B2Baoshan Iron & Steel Co., Ltd.
- Steel wire28 Apr 2026US 12,612,675 B2Nippon Steel Corporation
- Ultra-high phosphorus molten iron low-cost smelting method for polar steel21 Apr 2026US 12,606,877 B2Laiwu Steel Yinshan Section Co., Ltd.
- Steel sheet and high strength press hardened steel part having excellent bending and method of manufacturing the same17 Mar 2026US 12,577,630 B1ArcelorMittal
- Method for producing molten steel1 Oct 2026US 2026/0297699 A1Jfe Steel Corporation
- Production and preparation method of carburized gear shaft bars by means of converter process24 Sep 2026US 2026/0286458 A1Bengang Steel Plates Co., Ltd.
- Smelting and continuous casting method for high cr-si alloyed hot-formed steel3 Sep 2026US 2026/0257267 A1Bengang Steel Plates Co., Ltd.
- Method for deoxidation refining of molten steel, method for producing steel material, and steel material thereof3 Sep 2026US 2026/0258518 A1Jfe Steel Corporation
- Steel strip for battery case and method for producing steel strip20 Aug 2026US 2026/0241441 A1Institute of Research of Iron and Steel, Jiangsu Province/Sha-Steel, Co., Ltd.
Most cited
By later US patents
- Method for producing titanium-bearing microalloyed high-strength low-alloy steel34US 6,669,789 B1Nucor Corporation · 2003
- Method for producing killed steels for continuous casting24US 4,152,140 ANippon Steel Corporation · 1979
- Method for refining molten iron and steels19US 4,094,666 AMetal Research Corporation · 1978
- Method of production of a wire-shaped composite addition material18US 4,134,196 AHitachi Cable, Ltd. · 1979
- Rare earth metal treated cold rolled, non-oriented silicon steel and method of making it17US 3,960,616 AArmco Steel Corporation · 1976