C25B 15/087
Recycling of electrolyte to electrochemical cell
Official title: {Recycling of electrolyte to electrochemical cell}
C25B15/087 (Recycling of electrolyte to electrochemical cell) appears on 344 US grants and 644 published applications in this corpus.
Search patents in C25B- Granted patents
- 344
- Published applications
- 644
- Assignees
- 359
- Inventors
- 1,406
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 6 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 0 |
| 2002 | 4 | 4 |
| 2003 | 3 | 2 |
| 2004 | 1 | 5 |
| 2005 | 2 | 5 |
| 2006 | 2 | 3 |
| 2007 | 3 | 1 |
| 2008 | 1 | 10 |
| 2009 | 1 | 8 |
| 2010 | 3 | 7 |
| 2011 | 1 | 4 |
| 2012 | 3 | 9 |
| 2013 | 3 | 10 |
| 2014 | 4 | 14 |
| 2015 | 7 | 12 |
| 2016 | 8 | 20 |
| 2017 | 9 | 16 |
| 2018 | 13 | 21 |
| 2019 | 18 | 26 |
| 2020 | 12 | 25 |
| 2021 | 21 | 38 |
| 2022 | 21 | 53 |
| 2023 | 33 | 83 |
| 2024 | 34 | 96 |
| 2025 | 44 | 100 |
| 2026 | 31 | 72 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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
- Alkaline electrolysis arrangement with deaerator and method therefor15 Sep 2026US 12,735,798 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Vaporizer and external steam for solid oxide electrolyzer25 Aug 2026US 12,716,142 B2Bloom Energy Corporation
- Apparatuses and methods for multi-stage electrolysis18 Aug 2026US 12,709,809 B2Noram Electrolysis Systems Inc.
- Co2 and h2o co-electrolyser system8 Oct 2026US 2026/0308775 A1Ecole Polytechnique Federale De Lausanne (Epfl)
- Organic hydride production device, water removal device, and water removal method1 Oct 2026US 2026/0297780 A1Eneos Corporation
- Membrane-less system for continuous generation of gases24 Sep 2026US 2026/0286533 A1Technion Research & Development Foundation Limited
- Electrochemical reduction of co2 emissions to a green reduction product and its salts24 Sep 2026US 2026/0286539 A1Saudi Arabian Oil Company
- Monitoring and control of water quality for water electrolyzer used to generate hydrogen24 Sep 2026US 2026/0286557 A1Ecolab USA Inc.
Most cited
By later US patents
- High pressure electrolyzer module197US 6,554,978 B1Vandenborre Technologies NV · 2003
- Electrolysis of carbon dioxide in aqueous media to carbon monoxide and hydrogen for production of methanol141US 7,704,369 B2University of Southern California · 2010
- Electrochemical conversion of anhydrous hydrogen halide to halogen gas using a cation-transporting membrane83US 5,411,641 AE. I. Du Pont de Nemours and Company · 1995
- Hydrogen and oxygen gas generating system69US 5,690,797 AMitsubishi Corporation · 1997
- Regenerative electrochemical cell system and method for use thereof51US 6,887,601 B2Proton Energy Systems, Inc. · 2005