C25C 3/18
Electrolytes
C25C3/18 (Electrolytes) appears on 58 US grants and 67 published applications in this corpus.
Search patents in C25C- Granted patents
- 58
- Published applications
- 67
- Assignees
- 49
- Inventors
- 177
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 5 | 0 |
| 2003 | 1 | 2 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 3 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 3 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 2 |
| 2013 | 2 | 7 |
| 2014 | 2 | 4 |
| 2015 | 2 | 7 |
| 2016 | 1 | 5 |
| 2017 | 3 | 2 |
| 2018 | 5 | 2 |
| 2019 | 3 | 4 |
| 2020 | 0 | 2 |
| 2021 | 5 | 0 |
| 2022 | 3 | 3 |
| 2023 | 1 | 4 |
| 2024 | 1 | 7 |
| 2025 | 1 | 6 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for producing highB purity aluminum from aluminum chloride25 Aug 2026US 12,715,778 B2Aluminum Technologies, LLC
- Method and apparatus for producing aluminum material31 Mar 2026US 12,590,378 B2Uacj Corporation
- Process for selective chlorination of aluminous ores for the preparation of aluminum6 Jan 2026US 12,515,961 B2Aluminum Technologies, LLC
- Reduction cell for producing aluminum6 Jan 2026US 12,515,962 B2Aluminum Technologies, LLC
- Apparatus and method for operating an electrolytic cell21 Jan 2025US 12,203,187 B2Elysis Limited Partnership
- Method and device for electro chemical refining of aluminium in cells (variants)16 Jul 2026US 2026/0201589 A1
- Scrap Aluminum Alloy Purification Process11 Jun 2026US 2026/0159977 A1Apple Inc.
- Methods, systems, and devices for purifying metal-containing material1 Jan 2026US 2026/0002276 A1Form Energy, Inc.
- A method of recovering one or more metal species6 Nov 2025US 2025/0341012 A1Saltfoss Energy Aps
- Atmospheric control of enclosed electrolytic cells4 Sep 2025US 2025/0277322 A1Phoenix Tailings, Inc.
Most cited
By later US patents
- Electrolytic reduction of alumina48US 5,006,209 ABrooks Rand Inc · 1991
- Process for recovery of alumina-cryolite waste in aluminum production29US 4,053,375 ADorr-Oliver Incorporated · 1977
- Low temperature alumina electrolysis27US 4,681,671 AEltech Systems Corporation · 1987
- Process for producing aluminum20US 3,996,117 AAluminum Company of America · 1976
- Method and apparatus for the production of aluminium19US 6,565,733 B1Corus Aluminium Walzprodukte GmbH · 2003