C22B 9/003
General processes of refining or remelting of metals: by induction
Official title: {by induction}
C22B9/003 (General processes of refining or remelting of metals: by induction) appears on 99 US grants and 90 published applications in this corpus.
Search patents in C22B- Granted patents
- 99
- Published applications
- 90
- Assignees
- 77
- Inventors
- 281
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 9 | 0 |
| 2001 | 1 | 0 |
| 2002 | 4 | 1 |
| 2003 | 6 | 4 |
| 2004 | 4 | 3 |
| 2005 | 0 | 3 |
| 2006 | 0 | 0 |
| 2007 | 0 | 3 |
| 2008 | 2 | 7 |
| 2009 | 3 | 14 |
| 2010 | 12 | 6 |
| 2011 | 7 | 4 |
| 2012 | 3 | 2 |
| 2013 | 4 | 2 |
| 2014 | 2 | 2 |
| 2015 | 2 | 4 |
| 2016 | 1 | 7 |
| 2017 | 5 | 2 |
| 2018 | 1 | 3 |
| 2019 | 2 | 2 |
| 2020 | 0 | 4 |
| 2021 | 4 | 2 |
| 2022 | 3 | 1 |
| 2023 | 0 | 2 |
| 2024 | 2 | 8 |
| 2025 | 1 | 3 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Recycling method for heavy rare earth element and recycling method for rare earth magnet14 Apr 2026US 12,601,033 B2Shin-Etsu Chemical Co., Ltd.
- Device and method for producing an investment casting component31 Mar 2026US 12,589,432 B2ALD Vacuum Technologies GmbH
- Device and method for producing metal powder using an induction coil and an intermediate coil1 Jul 2025US 12,343,800 B2ALD Vacuum Technologies GmbH
- Electromagnetic priming of molten metal filters13 Aug 2024US 12,059,643 B2Pyrotek, Inc.
- Large-sized high-Nb superalloy ingot and smelting process thereof2 Jan 2024US 11,859,262 B2Fushun Special Steel Shares Co., Ltd.
- System and a method for producing green steel with near zero ghg emissions intensity23 Apr 2026US 2026/0110043 A1Saarloha Advanced Materials Private Limited
- Method of manufacturing aluminium deox, aluminium powder, and zinc oxide in a single batch process4 Dec 2025US 2025/0369070 A1BN Industries
- Method for removing slag during remelting of ni-based superalloy20 Nov 2025US 2025/0354236 A1University of Science and Technology Beijing
- Device and method for producing metal powder using an induction coil and an intermediate coil3 Jul 2025US 2025/0214141 A1ALD Vacuum Technologies GmbH
- Device and method for producing an investment casting component28 Nov 2024US 2024/0390974 A1ALD Vacuum Technologies GmbH
Most cited
By later US patents
- Method for fluxing molten metal111US 5,616,167 A1997
- Method for induction melting reactive metals and alloys54US 4,738,713 AThe Duriron Company, Inc. · 1988
- Melting method using cold crucible induction melting apparatus19US 6,144,690 AKabushiki Kaishi Kobe Seiko Sho · 2000
- Method for heating molten metal using heated baffle18US 5,968,223 A1999
- Molten metal treatment16US 5,364,450 A1994