C25C 5/00
Electrolytic production, recovery or refining of metal powders or porous metal masses
C25C5/00 (Electrolytic production, recovery or refining of metal powders or porous metal masses) appears on 164 US grants and 203 published applications in this corpus.
Search patents in C25C- Granted patents
- 164
- Published applications
- 203
- Assignees
- 157
- Inventors
- 515
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 5 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 4 | 3 |
| 2003 | 2 | 9 |
| 2004 | 1 | 8 |
| 2005 | 2 | 11 |
| 2006 | 1 | 14 |
| 2007 | 3 | 12 |
| 2008 | 8 | 9 |
| 2009 | 6 | 7 |
| 2010 | 3 | 4 |
| 2011 | 2 | 7 |
| 2012 | 4 | 7 |
| 2013 | 4 | 10 |
| 2014 | 2 | 7 |
| 2015 | 2 | 4 |
| 2016 | 7 | 8 |
| 2017 | 8 | 9 |
| 2018 | 5 | 15 |
| 2019 | 8 | 8 |
| 2020 | 8 | 3 |
| 2021 | 1 | 2 |
| 2022 | 6 | 11 |
| 2023 | 4 | 8 |
| 2024 | 5 | 7 |
| 2025 | 6 | 14 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Recovery of rare earth metals from ferromagnetic alloys28 Jul 2026US 12,692,612 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 and system for extracting metal and oxygen from powdered metal oxides27 Jan 2026US 12,534,818 B2Airbus Defence and Space GmbH
- Cerium oxide nanoparticles, methods for fabricating the same and methods for fabricating a semiconductor device using the same27 Jan 2026US 12,534,819 B2Industry-Academic Cooperation Foundation, Yonsei University
- Colloidal brewing system2 Sep 2025US 12,403,441 B2
- Production of magnesium30 Jul 2026US 2026/0218334 A1Njordur Holding ehf.
- Methods of Manufacturing Lithium Metal for Batteries25 Jun 2026US 2026/0176784 A1Chemelectronics LLC
- Lithium recovery apparatus4 Jun 2026US 2026/0152868 A1Posco Holdings Inc.
- Voltage control method14 May 2026US 2026/0132530 A1Kabushiki Kaisha Toshiba
- Recovery of rare-earth metals from magnet scrap7 May 2026US 2026/0125777 A1
Most cited
By later US patents
- Nanocrystalline metals85US 5,433,797 AQueen's University · 1995
- Axial flow electrolytic cell37US 3,972,795 AHazen Research, Inc. · 1976
- Process for making copper metal powder, copper oxides and copper foil36US 5,458,746 AGould Electronics Inc. · 1995
- High performance zinc powder and battery anodes containing the same32US 5,419,987 AElectric Fuel (E.F.L.) Ltd. · 1995
- Process for preparing solvent-stabilized metal colloids and substrate-immobilized metal clusters32US 6,224,739 B1Studiengesellschaft Kohle mbH · 2001