C22B 19/30
From metallic residues or scraps
Official title: from metallic residues or scraps
C22B19/30 (From metallic residues or scraps) appears on 145 US grants and 124 published applications in this corpus.
Search patents in C22B- Granted patents
- 145
- Published applications
- 124
- Assignees
- 139
- Inventors
- 413
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 7 | 0 |
| 2000 | 7 | 0 |
| 2001 | 5 | 1 |
| 2002 | 3 | 1 |
| 2003 | 2 | 6 |
| 2004 | 4 | 6 |
| 2005 | 3 | 4 |
| 2006 | 0 | 2 |
| 2007 | 2 | 6 |
| 2008 | 1 | 3 |
| 2009 | 2 | 9 |
| 2010 | 7 | 8 |
| 2011 | 5 | 9 |
| 2012 | 8 | 5 |
| 2013 | 6 | 1 |
| 2014 | 2 | 1 |
| 2015 | 3 | 3 |
| 2016 | 1 | 6 |
| 2017 | 1 | 3 |
| 2018 | 4 | 1 |
| 2019 | 4 | 3 |
| 2020 | 0 | 5 |
| 2021 | 2 | 4 |
| 2022 | 2 | 2 |
| 2023 | 4 | 7 |
| 2024 | 6 | 10 |
| 2025 | 2 | 11 |
| 2026 | 4 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method, apparatus and system for processing a composite waste source26 May 2026US 12,637,737 B2NewSouth Innovations Pty Limited
- Method of removing volatile constituents from an industrial dust, and valuable material-containing product12 May 2026US 12,624,417 B2MontanuniversitäT Leoben
- Ore hydrometallurgical slag and phosphating slag7 Apr 2026US 12,595,532 B2Gem Co., Ltd.
- Method for recycling zinc (Zn)7 Apr 2026US 12,595,533 B2Reazn Belgium
- Sustainable method for recycling smelting works dusts and sludges to produce iron-containing, heavy-metal-depleted reclaimed materials with recovery of lead and zinc21 Oct 2025US 12,448,666 B2ThyssenKrupp Steel Europe AG
- Zinc recovery method and zinc ferrite decomposition method6 Aug 2026US 2026/0226582 A1Kinotech Corporation
- Method of preparing zinc-containing material, method of preparing electrogalvanizing bath, and method of producing electrogalvanized steel sheet30 Jul 2026US 2026/0218332 A1Jfe Steel Corporation
- Method for treating an electronic waste and recovering valuable metals and rare earth elements therefrom23 Jul 2026US 2026/0213292 A1Institut National De La Recherche Scientifique
- Method and System for low carbon thermo-metallurgical Processing and Extracting of Metals from Industrial By-Products28 May 2026US 2026/0146302 A1Cobric Chemicals Inc.
- Method for processing materials containing iron and zinc26 Feb 2026US 2026/0055480 A1Zincovery Process Technologies Limited
Most cited
By later US patents
- Process for precipitating compounds from zinc metal baths by means of a hollow rotary body that can be driven about an axis and is dipped into the molten zinc89US 6,364,930 B1Andritz Patentverwaltungsgellschaft mbH · 2002
- Process and device for precipitating compounds from zinc metal baths by means of a hollow rotary body that can be driven about an axis and is dipped into the molten zinc86US 6,656,415 B2Andritz Patentverwaltungsgesellschaft M.B.H. · 2003
- Device and method for obtaining non-ferrous metals86US 8,480,950 B2Pyrotek, Inc. · 2013
- Method of producing reduced iron pellets34US 6,152,983 AKabushiki Kaisha Kobe Seiko Sho · 2000
- Method for processing oxidic materials in metallurgical waste30US 4,802,919 AWestinghouse Electric Corp. · 1989