C22B 15/0006
By dry processes
Official title: {by dry processes}
C22B15/0006 (By dry processes) appears on 34 US grants and 37 published applications in this corpus.
Search patents in C22B- Granted patents
- 34
- Published applications
- 37
- Assignees
- 48
- Inventors
- 141
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 2 |
| 2010 | 2 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 2 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 3 |
| 2023 | 1 | 1 |
| 2024 | 1 | 3 |
| 2025 | 0 | 10 |
| 2026 | 3 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for recovering valuable substance25 Aug 2026US 12,716,112 B2Dowa Eco-System Co., Ltd.
- Microbial-assisted heap leaching17 Mar 2026US 12,577,634 B2Technological Resources Pty. Limited
- System for preparing new energy Ni—Co—Mn raw material from laterite nickel ore13 Jan 2026US 12,521,643 B2Gem Co., Ltd.
- Metal recovery system and method30 Apr 2024US 11,970,754 B2Best Process Solutions, Inc.
- Metal recovery system and method18 Apr 2023US 11,629,390 B2Best Process Solutions, Inc.
- Systems and methods for improved metal recovery by leaching8 Oct 2026US 2026/0308711 A1Freeport Minerals Corporation
- Systems and methods for improved metal recovery by leaching8 Oct 2026US 2026/0308712 A1Freeport Minerals Corporation
- Method for processing target material comprising clump-shaped copper wire scraps10 Sep 2026US 2026/0264113 A1JX Advanced Metals Corporation
- Battery recycling plant and process14 May 2026US 2026/0135178 A1BASF SE
- Microbial-assisted heap leaching5 Feb 2026US 2026/0035764 A1Technological Resources Pty. Limited
Most cited
By later US patents
- Hydrometallurgical process for extracting copper from chalcopyrite or bornite concentrates52US 3,949,051 A1976
- Method for separating metal constituents from ocean floor nodules46US 4,042,664 ADeepsea Ventures, Inc. · 1977
- Anionic acrylamide polymers as copper ore agglomeration aids36US 4,875,935 ANalco Chemical Company · 1989
- Process for the recovery of copper and ammonium sulphate from copper-bearing mineral sulphide ores or concentrates24US 3,985,553 ASherritt Gordon Mines Limited · 1976
- Process for hydrometallurgical upgrading16US 4,024,218 ACominco Ltd. · 1977