C25B 15/033
Conductivity
C25B15/033 (Conductivity) appears on 42 US grants and 85 published applications in this corpus.
Search patents in C25B- Granted patents
- 42
- Published applications
- 85
- Assignees
- 53
- Inventors
- 213
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 1 | 1 |
| 2011 | 2 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 3 |
| 2014 | 0 | 3 |
| 2015 | 1 | 1 |
| 2016 | 2 | 4 |
| 2017 | 3 | 2 |
| 2018 | 1 | 3 |
| 2019 | 0 | 11 |
| 2020 | 5 | 3 |
| 2021 | 2 | 5 |
| 2022 | 6 | 8 |
| 2023 | 5 | 8 |
| 2024 | 4 | 11 |
| 2025 | 5 | 12 |
| 2026 | 2 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for controlling hydrogen generation system, and hydrogen generation system4 Aug 2026US 12,698,565 B2Eneos Corporation
- Method of operating electrochemical device14 Jul 2026US 12,680,176 B2NGK Insulators, Ltd.
- Processes for preparing lithium hydroxide9 Sep 2025US 12,410,531 B2Nemaska Lithium Inc.
- Electrochemical system20 May 2025US 12,305,296 B2Hyundai Motor Company
- Method for controlling hydrogen generation system, and hydrogen generation system18 Mar 2025US 12,252,794 B2Eneos Corporation
- Rotational Electrolysis Arrangement27 Aug 2026US 2026/0250856 A1
- Water electrolysis device and method for controlling the same11 Jun 2026US 2026/0159966 A1Hyundai Motor Company
- Membrane electrode assembly, electrochemical cell, stack, and electrolytic system19 Mar 2026US 2026/0081195 A1Kabushiki Kaisha Toshiba
- Processes for preparing lithium hydroxide26 Feb 2026US 2026/0055526 A1Nemaska Lithium Inc.
- Contamination mitigation system for use in an electrolysis system19 Feb 2026US 2026/0049408 A1New Hydrogen IP, LLC
Most cited
By later US patents
- Hydrogen generator38US 4,078,985 ANippon Soken, Inc. · 1978
- Direct current hydrogen generator, system and method26US 5,840,172 AWhatman, Inc. · 1998
- In-situ delivery systems for reaction product abatement in electrochemical cells6US 10,800,678 B2Evoqua Water Technologies LLC · 2020
- Method and apparatus for generating hypochlorous acid (HOCL)6US 7,658,834 B22010
- Systems and methods for providing a magnetically treated electrolyzed water5US 11,383,993 B2Z Intellectual Property Holding Company, LLC · 2022