C22B 47/00
Obtaining manganese
C22B47/00 (Obtaining manganese) appears on 265 US grants and 333 published applications in this corpus.
Search patents in C22B- Granted patents
- 265
- Published applications
- 333
- Assignees
- 234
- Inventors
- 884
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 19 | 0 |
| 1977 | 20 | 0 |
| 1978 | 9 | 0 |
| 1979 | 7 | 0 |
| 1980 | 4 | 0 |
| 1981 | 7 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 6 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 2 |
| 2002 | 1 | 0 |
| 2003 | 1 | 2 |
| 2004 | 2 | 5 |
| 2005 | 1 | 2 |
| 2006 | 3 | 0 |
| 2007 | 1 | 0 |
| 2008 | 1 | 2 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 1 | 5 |
| 2012 | 3 | 4 |
| 2013 | 5 | 14 |
| 2014 | 3 | 4 |
| 2015 | 6 | 9 |
| 2016 | 7 | 4 |
| 2017 | 8 | 5 |
| 2018 | 6 | 5 |
| 2019 | 4 | 4 |
| 2020 | 2 | 6 |
| 2021 | 9 | 19 |
| 2022 | 5 | 18 |
| 2023 | 9 | 45 |
| 2024 | 22 | 51 |
| 2025 | 25 | 67 |
| 2026 | 16 | 58 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Methods for battery-grade aqueous solutions of nickel salts18 Aug 2026US 12,709,552 B2Bluegrass Infrastructure Partners Holdings, LLC
- Methods for preparing cathode active material precursor material and cathode active material for lithium secondary battery, and cathode active material for lithium secondary battery prepared according to same14 Jul 2026US 12,683,207 B2Dongwoo Fine-Chem Co., Ltd.
- Method for removing elemental copper from ternary battery waste and application thereof14 Jul 2026US 12,683,208 B2Guangdong Brunp Recycling Technology Co., Ltd.
- System and method for recovering constituents from batteries12 May 2026US 12,626,931 B2Environmental 360 Solutions Ltd.
- Solvent extraction method using two-stage extraction for separation and recovery of nickel, cobalt, and manganese28 Apr 2026US 12,612,678 B2Ecopro Materials Co., Ltd.
- Recovery of lithium from black mass24 Sep 2026US 2026/0285700 A1Metso Finland Oy
- Method for the recovery of metals from e-waste10 Sep 2026US 2026/0265859 A1Renewable Metals Pty Ltd
- Method for processing manganese containing material3 Sep 2026US 2026/0257935 A1Fortum Oyj
- Process for the extraction of manganese3 Sep 2026US 2026/0258526 A1Element 25 Limited
- Production of mnso427 Aug 2026US 2026/0250148 A1Innovative Manganese Technologies SA (PTY) LTD.
Most cited
By later US patents
- Process for the recovery of hydrogen-reduced metals, ions and the like at porous hydrophobic catalytic barriers51US 4,331,520 APrototech Company · 1982
- Selective recovery of manganese and zinc from geothermal brines51US 8,454,816 B1Simbol Inc. · 2013
- Method for separating metal constituents from ocean floor nodules46US 4,042,664 ADeepsea Ventures, Inc. · 1977
- Metal value recovery44US 4,765,827 AEnsci, Inc. · 1988
- Extraction of trace metals from fly ash43US 4,475,993 AThe United States of America as represented by the United States Department of Energy · 1984