C25B 15/029
Concentration
C25B15/029 (Concentration) appears on 136 US grants and 293 published applications in this corpus.
Search patents in C25B- Granted patents
- 136
- Published applications
- 293
- Assignees
- 186
- Inventors
- 628
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 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 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 3 |
| 2008 | 1 | 5 |
| 2009 | 1 | 0 |
| 2010 | 1 | 2 |
| 2011 | 2 | 2 |
| 2012 | 1 | 4 |
| 2013 | 1 | 5 |
| 2014 | 2 | 10 |
| 2015 | 5 | 4 |
| 2016 | 4 | 11 |
| 2017 | 5 | 12 |
| 2018 | 9 | 11 |
| 2019 | 4 | 7 |
| 2020 | 12 | 9 |
| 2021 | 6 | 20 |
| 2022 | 9 | 18 |
| 2023 | 17 | 34 |
| 2024 | 15 | 62 |
| 2025 | 16 | 47 |
| 2026 | 20 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- 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
- Antioxidant culture method and antioxidant auxiliary equipment11 Aug 2026US 12,703,924 B2National Pingtung University of Science and Technology
- Electrochemical device for producing biocide solutions4 Aug 2026US 12,698,566 B2Suretol Limited
- Artificial intelligence pressure control multiple track injection liquid-to-gas conversion method14 Jul 2026US 12,680,183 B2
- Electrolytic sulfuric acid supply apparatus24 Sep 2026US 2026/0286535 A1SCREEN Holdings Co., Ltd.
- Monitoring and control of water quality for water electrolyzer used to generate hydrogen24 Sep 2026US 2026/0286557 A1Ecolab USA Inc.
- Rotational Electrolysis Arrangement27 Aug 2026US 2026/0250856 A1
- Proton rich ionic fluid and compatibility with common materials20 Aug 2026US 2026/0242961 A1TegIpco, LLC
- Alkaline water electrolysis process and alkaline water electrolyzer23 Jul 2026US 2026/0209953 A1
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
- Aseptic and odorless nitric oxide generator36US 9,982,354 B2Eunhae Enc Co., Ltd · 2018
- Processes and systems for preparing lithium carbonate31US 10,144,990 B2Nemaska Lithium Inc. · 2018
- Electrolyte producing apparatus with monitoring device26US 6,093,292 AShimadzu Corporation · 2000