C25C 7/00
Constructional parts, or assemblies thereof, of cells
Official title: Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells (for the production of aluminium C25C3/06 - C25C3/22)
C25C7/00 (Constructional parts, or assemblies thereof, of cells) appears on 1,585 US grants and 1,210 published applications in this corpus.
Search patents in C25C- Granted patents
- 1,585
- Published applications
- 1,210
- Assignees
- 832
- Inventors
- 3,462
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 36 | 0 |
| 1977 | 52 | 0 |
| 1978 | 59 | 0 |
| 1979 | 47 | 0 |
| 1980 | 45 | 0 |
| 1981 | 47 | 0 |
| 1982 | 19 | 0 |
| 1983 | 41 | 0 |
| 1984 | 60 | 0 |
| 1985 | 36 | 0 |
| 1986 | 33 | 0 |
| 1987 | 37 | 0 |
| 1988 | 32 | 0 |
| 1989 | 30 | 0 |
| 1990 | 24 | 0 |
| 1991 | 25 | 0 |
| 1992 | 18 | 0 |
| 1993 | 16 | 0 |
| 1994 | 24 | 0 |
| 1995 | 23 | 0 |
| 1996 | 20 | 0 |
| 1997 | 17 | 0 |
| 1998 | 21 | 0 |
| 1999 | 21 | 0 |
| 2000 | 34 | 0 |
| 2001 | 33 | 5 |
| 2002 | 38 | 24 |
| 2003 | 27 | 15 |
| 2004 | 21 | 33 |
| 2005 | 12 | 25 |
| 2006 | 9 | 27 |
| 2007 | 14 | 25 |
| 2008 | 14 | 32 |
| 2009 | 10 | 33 |
| 2010 | 18 | 36 |
| 2011 | 18 | 34 |
| 2012 | 33 | 41 |
| 2013 | 26 | 57 |
| 2014 | 28 | 65 |
| 2015 | 36 | 47 |
| 2016 | 26 | 80 |
| 2017 | 26 | 57 |
| 2018 | 50 | 64 |
| 2019 | 51 | 48 |
| 2020 | 42 | 41 |
| 2021 | 38 | 41 |
| 2022 | 39 | 64 |
| 2023 | 41 | 68 |
| 2024 | 49 | 80 |
| 2025 | 38 | 99 |
| 2026 | 31 | 69 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C25C 7/02Electrodes726
- C25C 7/06Operating or servicing476
- C25C 7/005Constructional parts, or assemblies thereof, of cells: of cells for the electrolysis214
- C25C 7/04Diaphragms119
- C25C 7/007Constructional parts, or assemblies thereof, of cells: of cells comprising at least64
- C25C 7/002Constructional parts, or assemblies thereof, of cells: of cells comprising at least58
Recent patents
- Electrochemical recycling of lithium from lithium-based materials6 Oct 2026US 12,753,523 B2GM Global Technology Operations LLC
- Systems and methods for direct oxide production29 Sep 2026US 12,747,511 B2Aqua Metals Inc.
- Electrolyzer with horizontal cathode29 Sep 2026US 12,747,512 B2Verdeen Chemicals Inc.
- High-selectivity hydrophilic electrode for extracting lithium and preparation method thereof22 Sep 2026US 12,742,250 B2Central South University
- Bipolar electrolyzer22 Sep 2026US 12,742,251 B2Verdeen Chemicals Inc.
- Method and reactor for the production of alkali metal8 Oct 2026US 2026/0308792 A1Electriq-Global Energy Solutions Ltd.
- Method of starting up an electrolytic cell for aluminum production8 Oct 2026US 2026/0308793 A1Rio Tinto Alcan International Limited
- In situ electrochemical hydrogen peroxide generation for hydrometallurgical lithium-ion battery recycling8 Oct 2026US 2026/0312161 A1The Trustees of Columbia University in the City of New York
- Process and system for electrolytically producing an iron-bearing product from iron ore particles1 Oct 2026US 2026/0297782 A1Fortescue Future Industries Pty Ltd
- Electrochemical flow reactor24 Sep 2026US 2026/0286559 A1Fortescue Future Industries Pty Ltd
Most cited
By later US patents
- Method of electrodepositing metal on electrically conducting particles119US 6,432,292 B1Metallic Power, Inc. · 2002
- Electrode material, electrode and electrochemical cell107US 4,422,917 AIMI Marston Limited · 1983
- Apparatus and method for the electrolytic production of metals89US 4,999,097 AMassachusetts Institute of Technology · 1991
- Low temperature alkali metal electrolysis77US 6,368,486 B1E. I. Du Pont de Nemours and Company · 2002
- Electrolysis cell for a molten electrolyte67US 4,604,177 AAlcan International Limited · 1986