B22D 11/116
Refining the metal
B22D11/116 (Refining the metal) appears on 155 US grants and 140 published applications in this corpus.
Search patents in B22D- Granted patents
- 155
- Published applications
- 140
- Assignees
- 110
- Inventors
- 453
- Latest grant
- 29 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 5 | 0 |
| 1987 | 6 | 0 |
| 1988 | 6 | 0 |
| 1989 | 6 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 2 |
| 2006 | 3 | 5 |
| 2007 | 0 | 7 |
| 2008 | 3 | 6 |
| 2009 | 6 | 7 |
| 2010 | 4 | 7 |
| 2011 | 3 | 2 |
| 2012 | 3 | 5 |
| 2013 | 2 | 1 |
| 2014 | 3 | 4 |
| 2015 | 8 | 13 |
| 2016 | 6 | 12 |
| 2017 | 6 | 4 |
| 2018 | 9 | 7 |
| 2019 | 3 | 5 |
| 2020 | 4 | 10 |
| 2021 | 9 | 9 |
| 2022 | 6 | 5 |
| 2023 | 6 | 6 |
| 2024 | 5 | 5 |
| 2025 | 2 | 6 |
| 2026 | 0 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Molten metal filtration box heating apparatus29 Jul 2025US 12,370,597 B2Pyrotek, Inc.
- Molten metal filter device for casting vehicle components22 Apr 2025US 12,280,421 B2GM Global Technology Operations LLC
- Operation method of ladle refining treatment24 Dec 2024US 12,172,208 B2Jfe Steel Corporation
- Method for producing ultra-thin hot-rolled strip steel12 Nov 2024US 12,139,773 B2Baoshan Iron & Steel Co., Ltd.
- Molten metal purification device17 Sep 2024US 12,090,546 B2
- Nozzle for continuous casting, continuous casting apparatus, tundish, and continuous casting method1 Oct 2026US 2026/0295662 A1Jfe Steel Corporation
- Apparatus and method for refining liquid metal24 Sep 2026US 2026/0284739 A1Danieli & C. Officine Meccaniche SpA
- Smelting and continuous casting method for high cr-si alloyed hot-formed steel3 Sep 2026US 2026/0257267 A1Bengang Steel Plates Co., Ltd.
- Method and apparatus for producing oxygen-free copper or oxygen-free copper alloy27 Aug 2026US 2026/0249347 A1Ls Cable & System Ltd.
- 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
- Distributor device for use in metal casting107US 7,131,482 B2Pyrotek Engineering Materials Limited · 2006
- Filtration device86US 5,511,766 AUSX Corporation · 1996
- Continuous casting processes and apparatus82US 4,125,146 A1978
- Tundish barriers containing pressure differential flow increasing devices79US 5,083,753 AMagneco/Metrel, Inc. · 1992
- Continuous casting tundish and assembly57US 4,860,819 AInland Steel Company · 1989