C25B 9/30
Cells comprising movable electrodes
Official title: Cells comprising movable electrodes, e.g. rotary electrodes; Assemblies of constructional parts thereof
C25B9/30 (Cells comprising movable electrodes) appears on 89 US grants and 99 published applications in this corpus.
Search patents in C25B- Granted patents
- 89
- Published applications
- 99
- Assignees
- 81
- Inventors
- 237
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 5 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 2 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 4 |
| 2008 | 1 | 3 |
| 2009 | 1 | 4 |
| 2010 | 0 | 3 |
| 2011 | 0 | 1 |
| 2012 | 4 | 2 |
| 2013 | 2 | 2 |
| 2014 | 1 | 2 |
| 2015 | 2 | 2 |
| 2016 | 2 | 9 |
| 2017 | 4 | 7 |
| 2018 | 6 | 3 |
| 2019 | 5 | 10 |
| 2020 | 1 | 1 |
| 2021 | 4 | 5 |
| 2022 | 2 | 7 |
| 2023 | 1 | 9 |
| 2024 | 5 | 8 |
| 2025 | 7 | 9 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for continuous generation of gases12 May 2026US 12,624,463 B2H2Pro Ltd
- Electrochemical producer for hydrogen or carbon monoxide5 May 2026US 12,618,160 B2Utility Global, Inc.
- Preparation device for magnesium oxide fiber and preparation method thereof27 Jan 2026US 12,534,816 B2Tangshan Weimei New Material Technology Co., Ltd.
- Water electrolysis system and method of activating water electrolysis device6 Jan 2026US 12,516,422 B2Honda Motor Co., Ltd.
- Methods and systems for photo-activated hydrogen generation2 Dec 2025US 12,485,409 B2BOMAX Hydrogen LLC
- Electrochemical producer for hydrogen or carbon monoxide20 Aug 2026US 2026/0242957 A1Utility Global, Inc.
- Systems and methods for continuous generation of gases30 Jul 2026US 2026/0218393 A1H2Pro Ltd
- Liquid metal cathodes for electrolysis of metal carbonates in molten salts28 May 2026US 2026/0146339 A1
- Membrane electrode assembly, electrolysis cell, and electrolysis device21 May 2026US 2026/0139392 A1Kabushiki Kaisha Toshiba
- Hydrogen plasmolysis13 Nov 2025US 2025/0347005 A1Tetronics Technologies Limited
Most cited
By later US patents
- Device and method for generating and applying ozonated water57US 6,964,739 B2Tersano Inc. · 2005
- Apparatus and method for electrolysis and float51US 4,596,637 AAluminum Company of America · 1986
- Apparatus and method for electrolysis and inclined electrodes42US 4,622,111 AAluminum Company of America · 1986
- Spa fitting32US 5,752,282 ABioQuest · 1998
- Organic electrolysis cell with sacrificial electrode28US 4,686,018 ASociete Nationale des Poudres et Explosifs · 1987