C25B 15/023
Measuring, analysing or testing during electrolytic production
C25B15/023 (Measuring, analysing or testing during electrolytic production) appears on 484 US grants and 1,015 published applications in this corpus.
Search patents in C25B- Granted patents
- 484
- Published applications
- 1,015
- Assignees
- 457
- Inventors
- 1,925
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 3 |
| 2003 | 2 | 5 |
| 2004 | 5 | 6 |
| 2005 | 1 | 9 |
| 2006 | 2 | 6 |
| 2007 | 3 | 9 |
| 2008 | 4 | 9 |
| 2009 | 3 | 13 |
| 2010 | 3 | 7 |
| 2011 | 7 | 13 |
| 2012 | 7 | 16 |
| 2013 | 7 | 28 |
| 2014 | 7 | 24 |
| 2015 | 17 | 25 |
| 2016 | 18 | 32 |
| 2017 | 14 | 27 |
| 2018 | 27 | 29 |
| 2019 | 20 | 60 |
| 2020 | 27 | 36 |
| 2021 | 26 | 59 |
| 2022 | 44 | 77 |
| 2023 | 58 | 120 |
| 2024 | 54 | 163 |
| 2025 | 61 | 142 |
| 2026 | 43 | 96 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and methods of water electrolysis29 Sep 2026US 12,747,509 B2Schlumberger Technology Corporation
- Portable hydrogen-oxygen generator22 Sep 2026US 12,742,246 B2Dalian Institute of Chemical Physics, Chinese Academy of Sciences
- Hydrogen generator with a hydrogen leak conscious function22 Sep 2026US 12,742,249 B2
- Method for optimizing consumption of the operating resources of ozone generators8 Sep 2026US 12,729,450 B2ProMinent GmbH
- Water sanitization device, system and method1 Sep 2026US 12,722,991 B2Waterco Limited
- Scalable automated oxyhydrogen-production, storage, and utilization system8 Oct 2026US 2026/0308773 A1Enertopia Corp.
- System and Methods for Controlling Material Synthesis via Electrochemical Reactions8 Oct 2026US 2026/0308774 A1Quantom Corporation
- Detection of damage to components within an electrolyzer stack during operation8 Oct 2026US 2026/0308789 A1Fourier Earth, Inc.
- Method and system for operating an electrochemical reactor8 Oct 2026US 2026/0308790 A1Covestro Deutschland AG
- Improving diagnostic measurements during operation of electrolyzers1 Oct 2026US 2026/0297777 A1Fourier Earth, Inc.
Most cited
By later US patents
- Propellant generator and method of generating propellants108US 5,505,824 AUnited Technologies Corporation · 1996
- Electrochemical apparatus to generate hydrogen and sequester carbon dioxide40US 8,227,127 B2New Sky Energy, Inc. · 2012
- Hydrogen generator38US 4,078,985 ANippon Soken, Inc. · 1978
- Aseptic and odorless nitric oxide generator36US 9,982,354 B2Eunhae Enc Co., Ltd · 2018
- Systems and methods for sustainable economic development through integrated full spectrum production of renewable energy32US 9,231,267 B2McAlister Technologies, LLC · 2016