C25B 15/08
Supplying or removing reactants or electrolytes
Official title: Supplying or removing reactants or electrolytes; Regeneration of electrolytes
C25B15/08 (Supplying or removing reactants or electrolytes) appears on 1,654 US grants and 3,174 published applications in this corpus.
Search patents in C25B- Granted patents
- 1,654
- Published applications
- 3,174
- Assignees
- 1,230
- Inventors
- 5,765
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 8 | 0 |
| 1978 | 11 | 0 |
| 1979 | 8 | 0 |
| 1980 | 16 | 0 |
| 1981 | 13 | 0 |
| 1982 | 8 | 0 |
| 1983 | 16 | 0 |
| 1984 | 15 | 0 |
| 1985 | 4 | 0 |
| 1986 | 8 | 0 |
| 1987 | 7 | 0 |
| 1988 | 7 | 0 |
| 1989 | 11 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 8 | 0 |
| 1993 | 7 | 0 |
| 1994 | 8 | 0 |
| 1995 | 11 | 0 |
| 1996 | 7 | 0 |
| 1997 | 10 | 0 |
| 1998 | 10 | 0 |
| 1999 | 4 | 0 |
| 2000 | 7 | 0 |
| 2001 | 10 | 2 |
| 2002 | 12 | 10 |
| 2003 | 8 | 13 |
| 2004 | 8 | 24 |
| 2005 | 4 | 24 |
| 2006 | 9 | 10 |
| 2007 | 12 | 17 |
| 2008 | 6 | 26 |
| 2009 | 7 | 31 |
| 2010 | 11 | 36 |
| 2011 | 14 | 39 |
| 2012 | 24 | 56 |
| 2013 | 27 | 81 |
| 2014 | 36 | 74 |
| 2015 | 48 | 83 |
| 2016 | 50 | 113 |
| 2017 | 52 | 86 |
| 2018 | 65 | 103 |
| 2019 | 91 | 139 |
| 2020 | 73 | 123 |
| 2021 | 96 | 173 |
| 2022 | 108 | 271 |
| 2023 | 159 | 361 |
| 2024 | 167 | 469 |
| 2025 | 198 | 500 |
| 2026 | 143 | 310 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electrochemical co-production of hydrogen and carbon monoxide6 Oct 2026US 12,753,519 B2Utility Global, Inc.
- Electrolysis cell, electrolyzer and method for reducing CO26 Oct 2026US 12,753,522 B2Covestro Intellectual Property GmbH & Co.KG
- Production of chlorine, carbon monoxide and optionally hydrogen29 Sep 2026US 12,747,507 B2
- Multi-cell COx electrolyzer stacks29 Sep 2026US 12,747,510 B2Twelve Benefit Corporation
- Portable hydrogen-oxygen generator22 Sep 2026US 12,742,246 B2Dalian Institute of Chemical Physics, Chinese Academy of Sciences
- Ammonia cracker8 Oct 2026US 2026/0308771 A1
- Gas generator for a tool, usage of the gas generator and a tool with a gas generator8 Oct 2026US 2026/0308772 A1Hilti Aktiengesellschaft
- Scalable automated oxyhydrogen-production, storage, and utilization system8 Oct 2026US 2026/0308773 A1Enertopia Corp.
- Co2 and h2o co-electrolyser system8 Oct 2026US 2026/0308775 A1Ecole Polytechnique Federale De Lausanne (Epfl)
- Electrolyzer8 Oct 2026US 2026/0308781 A1
Most cited
By later US patents
- Method and apparatus for the generation of nitric oxide499US 5,827,420 AWorld Precision Instruments, Inc. · 1998
- High pressure electrolyzer module197US 6,554,978 B1Vandenborre Technologies NV · 2003
- Electrolyser and components therefor190US 8,057,646 B2Hydrogenics Corporation · 2011
- Electrolysis of carbon dioxide in aqueous media to carbon monoxide and hydrogen for production of methanol141US 7,704,369 B2University of Southern California · 2010
- Medical devices incorporating at least one element made from a plurality of twisted and drawn wires88US 6,191,365 B1General Science and Technology Corp. · 2001