C25C 7/025
Used in cells for the electrolysis of melts
Official title: {used in cells for the electrolysis of melts}
C25C7/025 (Used in cells for the electrolysis of melts) appears on 192 US grants and 152 published applications in this corpus.
Search patents in C25C- Granted patents
- 192
- Published applications
- 152
- Assignees
- 134
- Inventors
- 488
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 7 | 0 |
| 1981 | 6 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 13 | 0 |
| 1985 | 6 | 0 |
| 1986 | 6 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 5 | 0 |
| 1991 | 6 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 8 | 0 |
| 2001 | 2 | 0 |
| 2002 | 12 | 7 |
| 2003 | 3 | 1 |
| 2004 | 3 | 6 |
| 2005 | 2 | 2 |
| 2006 | 0 | 3 |
| 2007 | 2 | 1 |
| 2008 | 1 | 2 |
| 2009 | 0 | 3 |
| 2010 | 2 | 2 |
| 2011 | 0 | 2 |
| 2012 | 2 | 3 |
| 2013 | 2 | 8 |
| 2014 | 7 | 2 |
| 2015 | 3 | 4 |
| 2016 | 1 | 13 |
| 2017 | 2 | 6 |
| 2018 | 6 | 11 |
| 2019 | 4 | 6 |
| 2020 | 8 | 7 |
| 2021 | 8 | 9 |
| 2022 | 10 | 8 |
| 2023 | 5 | 9 |
| 2024 | 5 | 18 |
| 2025 | 5 | 10 |
| 2026 | 5 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and process for sustainable electrowinning of metal16 Jun 2026US 12,655,533 B2Case Western Reserve University
- Integrated thermionic diode and molten oxide electrolysis cell14 Apr 2026US 12,601,078 B2Blue Origin Manufacturing, LLC
- Production of metals from metal oxides7 Apr 2026US 12,595,578 B1Consolidated Nuclear Security, LLC
- Integrated process of pyrolysis, electrode anode production and aluminum production and joint plant31 Mar 2026US 12,590,379 B2BASF SE
- System and method for recovering metal resources in coal ash by molten salt electrolysis20 Jan 2026US 12,529,156 B2Huaneng Clean Energy Research Institute
- Electrorefining cathode assembly with deposit compactor for metal co-deposition and method20 Aug 2026US 2026/0242968 A1Uchicago Argonne, LLC
- Integrated thermionic diode and molten oxide electrolysis cell23 Jul 2026US 2026/0209981 A1Blue Origin Manufacturing, LLC
- Method and device for electro chemical refining of aluminium in cells (variants)16 Jul 2026US 2026/0201589 A1
- Systems and methods for in-situ resource processing and in-situ resource utilisation28 May 2026US 2026/0146353 A1
- Metal processing apparatus, and metal processing method using same7 May 2026US 2026/0125815 A1Ksm Technology Co., Ltd.
Most cited
By later US patents
- Apparatus and method for the electrolytic production of metals89US 4,999,097 AMassachusetts Institute of Technology · 1991
- Anode63US 4,604,178 AThe Dow Chemical Company · 1986
- Apparatus for the electrolytic production of metals52US 5,254,232 AMassachusetts Institute of Technology · 1993
- Method of producing carbon-containing materials by electron beam vacuum evaporation of graphite and subsequent condensation51US 5,296,274 A1994
- Composition suitable for inert electrode49US 4,455,211 AAluminum Company of America · 1984