C25B 11/036
Bipolar electrodes
C25B11/036 (Bipolar electrodes) appears on 174 US grants and 203 published applications in this corpus.
Search patents in C25B- Granted patents
- 174
- Published applications
- 203
- Assignees
- 163
- Inventors
- 586
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 10 | 0 |
| 1978 | 6 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 7 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 1 |
| 2003 | 2 | 0 |
| 2004 | 1 | 4 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 8 |
| 2008 | 0 | 3 |
| 2009 | 0 | 3 |
| 2010 | 5 | 8 |
| 2011 | 3 | 12 |
| 2012 | 3 | 5 |
| 2013 | 1 | 2 |
| 2014 | 5 | 13 |
| 2015 | 4 | 9 |
| 2016 | 8 | 9 |
| 2017 | 5 | 10 |
| 2018 | 8 | 5 |
| 2019 | 8 | 13 |
| 2020 | 10 | 9 |
| 2021 | 10 | 7 |
| 2022 | 7 | 10 |
| 2023 | 8 | 10 |
| 2024 | 4 | 27 |
| 2025 | 4 | 16 |
| 2026 | 1 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for water electrolysis with electrodes having transition metal-phosphorous-based compounds7 Apr 2026US 12,595,569 B2Honeywell International Inc.
- Process of using demineralized water for chlorate reduction in on-site brine electrochlorination systems2 Dec 2025US 12,486,186 B2Evoqua Water Technologies LLC
- Modular electrolyzer stack and process to convert carbon dioxide to gaseous products at elevated pressure and with high conversion rate12 Aug 2025US 12,385,146 B2eCHEMICLES ZRT.
- Component having improved surface contact resistance and reaction activity and methods of making the same6 May 2025US 12,291,782 B2Treadstone Technologies, Inc.
- Bipolar plate for an electrochemical reactor21 Jan 2025US 12,203,181 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Method for reactivating an electrolysis cell unit8 Oct 2026US 2026/0308780 A1thyssenkrupp nucera AG & Co. KGaA
- Electrolyzer8 Oct 2026US 2026/0308781 A1
- Electrochemical electrode structure, electrochemical cell, bipolar electrode assembly, electrochemical cell arrangement, and method of attaching an electrode element to a supportive element of an electrochemical electrode structure for an electrochemical cell24 Sep 2026US 2026/0286549 A1thyssenkrupp nucera AG & Co. KGaA
- Process for manufacturing at least one portion of an electrolytic cell, corresponding electrolytic cell portion and electrolyzer stack24 Sep 2026US 2026/0286550 A1John Cockerill Hydrogen Belgium
- Porous transport layer17 Sep 2026US 2026/0275543 A1NV Bekaert SA
Most cited
By later US patents
- Electrochemical cell having inflatable seals between electrodes53US 5,334,301 AHeraeus Elektrochemie GmbH · 1994
- Electrolytic generation of halogen biocides52US 4,100,052 ADiamond Shamrock Corporation · 1978
- Chlorine generator46US 4,256,552 A1981
- Electrode, electrochemical cell and electrochemical processes45US 5,804,055 AEltech Systems Corporation · 1998
- Electrochemical conversion of anhydrous hydrogen halide to halogen gas using an ionically conducting membrane34US 6,183,623 B2Lynntech, Inc. · 2001