C22B 9/10
General processes of refining or remelting of metals: with refining or fluxing
Official title: with refining or fluxing agents; Use of materials therefor, {e.g. slagging or scorifying agents}(C22B9/18 takes precedence){(C22B9/006 takes precedence)}
C22B9/10 (General processes of refining or remelting of metals: with refining or fluxing) appears on 298 US grants and 178 published applications in this corpus.
Search patents in C22B- Granted patents
- 298
- Published applications
- 178
- Assignees
- 231
- Inventors
- 762
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 8 | 0 |
| 1978 | 14 | 0 |
| 1979 | 3 | 0 |
| 1980 | 12 | 0 |
| 1981 | 15 | 0 |
| 1982 | 4 | 0 |
| 1983 | 10 | 0 |
| 1984 | 7 | 0 |
| 1985 | 9 | 0 |
| 1986 | 10 | 0 |
| 1987 | 6 | 0 |
| 1988 | 11 | 0 |
| 1989 | 14 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 3 | 0 |
| 2000 | 8 | 0 |
| 2001 | 1 | 1 |
| 2002 | 4 | 4 |
| 2003 | 5 | 4 |
| 2004 | 3 | 2 |
| 2005 | 4 | 3 |
| 2006 | 1 | 6 |
| 2007 | 2 | 3 |
| 2008 | 2 | 5 |
| 2009 | 4 | 6 |
| 2010 | 4 | 8 |
| 2011 | 8 | 13 |
| 2012 | 9 | 7 |
| 2013 | 6 | 3 |
| 2014 | 4 | 11 |
| 2015 | 4 | 6 |
| 2016 | 10 | 15 |
| 2017 | 3 | 6 |
| 2018 | 6 | 5 |
| 2019 | 13 | 11 |
| 2020 | 3 | 1 |
| 2021 | 4 | 8 |
| 2022 | 3 | 8 |
| 2023 | 3 | 10 |
| 2024 | 9 | 15 |
| 2025 | 3 | 8 |
| 2026 | 6 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multi-component flux11 Aug 2026US 12,703,050 B2Pyrotek, Inc.
- Method for recovering valuable metals from spent lithium-ion-batteries2 Jun 2026US 12,646,764 B2Yeda Research and Development Co. Ltd.
- Recycling method for heavy rare earth element and recycling method for rare earth magnet14 Apr 2026US 12,601,033 B2Shin-Etsu Chemical Co., Ltd.
- Method for the recovery of metals from electronic waste10 Mar 2026US 12,571,069 B2SMS group GmbH
- Nickel alloy having superior surface properties and production method for the same3 Feb 2026US 12,540,374 B2Nippon Yakin Kogyo Co., Ltd.
- Al-si alloy for casting, al-si alloy casting and method for producing al-si alloy casting3 Sep 2026US 2026/0258528 A1Nikkei Mc Aluminium Co., Ltd.
- Method and apparatus for producing oxygen-free copper or oxygen-free copper alloy27 Aug 2026US 2026/0249347 A1Ls Cable & System Ltd.
- Process for the oxidative pre-melting and smelting of a metalliferous feedstock material-containing agglomerate18 Jun 2026US 2026/0166509 A1African Rainbow Minerals Limited
- Additive composition and method for chemically adjusting molten metal11 Jun 2026US 2026/0159908 A1Hatch Ltd.
- Ni-cr-fe-mo alloys with excellent surface properties and their production methods28 May 2026US 2026/0146308 A1Nippon Yakin Kogyo Co., Ltd.
Most cited
By later US patents
- Universal coupling117US 6,358,467 B1Metaullics Systems Co., L.P. · 2002
- Compositions for alloying metal113US 3,941,588 AFoote Mineral Company · 1976
- Method for fluxing molten metal111US 5,616,167 A1997
- Metallurgical process for purifying aluminum-silicon alloy108US 3,958,979 AEthyl Corporation · 1976
- Flux injection assembly and method72US 9,273,376 B2Pyrotek, Inc. · 2016