C01B 13/0207
Water
Official title: {Water}
C01B13/0207 (Water) appears on 239 US grants and 352 published applications in this corpus.
Search patents in C01B- Granted patents
- 239
- Published applications
- 352
- Assignees
- 229
- Inventors
- 744
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 12 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 6 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 1 |
| 2002 | 6 | 6 |
| 2003 | 2 | 3 |
| 2004 | 1 | 9 |
| 2005 | 5 | 7 |
| 2006 | 5 | 11 |
| 2007 | 1 | 22 |
| 2008 | 4 | 19 |
| 2009 | 4 | 12 |
| 2010 | 8 | 14 |
| 2011 | 9 | 18 |
| 2012 | 7 | 19 |
| 2013 | 12 | 25 |
| 2014 | 6 | 18 |
| 2015 | 18 | 19 |
| 2016 | 9 | 18 |
| 2017 | 10 | 18 |
| 2018 | 13 | 15 |
| 2019 | 11 | 13 |
| 2020 | 9 | 14 |
| 2021 | 9 | 12 |
| 2022 | 11 | 9 |
| 2023 | 11 | 15 |
| 2024 | 6 | 22 |
| 2025 | 12 | 12 |
| 2026 | 8 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Data processing device and gas conversion system25 Aug 2026US 12,715,825 B2Kabushiki Kaisha Toshiba
- Apparatus and method for isolating hydrogen from water11 Aug 2026US 12,703,628 B2Rtx Corporation
- Flexible artificial leaves for hydrogen production and methods for making4 Aug 2026US 12,697,599 B2King Abdullah University of Science and Technology
- Method and system of thermolysis based hydrogen and oxygen generation21 Jul 2026US 12,686,615 B2Cosmic Energy Power Inc.
- Photocatalysts for water oxidation14 Apr 2026US 12,601,066 B2University of Florida Research Foundation, Inc.
- Hydrogen and oxygen generation using detonation waves1 Oct 2026US 2026/0296883 A1Green Constellation Inc.
- Photocatalytic panel and methods for continuous hydrogen production4 Dec 2025US 2025/0368503 A1QDSol, LTD.
- Methods for photocatalytic water splitting of produced waters20 Nov 2025US 2025/0353738 A1Saudi Arabian Oil Company
- A piezo photocatalytic process for the production of hydrogen from water20 Nov 2025US 2025/0353739 A1NewSouth Innovations Pty Limited
- High temperature laser centrifuge9 Oct 2025US 2025/0312766 A1Rtx Corporation
Most cited
By later US patents
- Photoelectrochemical device containing a quantum confined group IV semiconductor nanoparticle133US 6,361,660 B12002
- Vertical type porous membrane hydrogen generator62US 4,261,955 AThe United States of America as represented by the Secretary of the Army · 1981
- System and method for the production and use of hydrogen on board a marine vessel54US 6,610,193 B2Have Blue, LLC · 2003
- System for obtaining hydrogen and oxygen from water using solar energy53US 4,053,576 ARegents of the University of Minnesota · 1977
- Photolytic oxygenator with carbon dioxide and/or hydrogen separation and fixation44US 7,883,610 B2Battelle Memorial Institute · 2011