C25B 1/042
By electrolysis of steam
Official title: by electrolysis of steam
C25B1/042 (By electrolysis of steam) appears on 267 US grants and 539 published applications in this corpus.
Search patents in C25B- Granted patents
- 267
- Published applications
- 539
- Assignees
- 181
- Inventors
- 992
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 3 |
| 2005 | 0 | 1 |
| 2006 | 2 | 2 |
| 2007 | 0 | 6 |
| 2008 | 3 | 6 |
| 2009 | 0 | 8 |
| 2010 | 0 | 6 |
| 2011 | 5 | 3 |
| 2012 | 5 | 7 |
| 2013 | 2 | 10 |
| 2014 | 5 | 3 |
| 2015 | 5 | 6 |
| 2016 | 5 | 17 |
| 2017 | 4 | 7 |
| 2018 | 9 | 13 |
| 2019 | 11 | 17 |
| 2020 | 6 | 18 |
| 2021 | 18 | 29 |
| 2022 | 17 | 58 |
| 2023 | 31 | 78 |
| 2024 | 40 | 90 |
| 2025 | 48 | 90 |
| 2026 | 34 | 59 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Integrated hydrogen production system and method of use1 Sep 2026US 12,723,313 B2Utility Global, Inc.
- Vaporizer and external steam for solid oxide electrolyzer25 Aug 2026US 12,716,142 B2Bloom Energy Corporation
- Method for operating an electrolyzer for hydrogen production18 Aug 2026US 12,709,810 B2Battelle Savannah River Alliance, LLC
- Methods for material activation with thermal energy storage system18 Aug 2026US 12,709,998 B2Rondo Energy, Inc.
- Method for manufacturing an electrical conductor, such as a current rod, for a high-temperature electrochemical device11 Aug 2026US 12,706,315 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Natural gas reforming system and process thereof17 Sep 2026US 2026/0274662 A1Doosan Enerbility Co., Ltd.
- Hydrogen production system and method for operating hydrogen production system17 Sep 2026US 2026/0275535 A1Mitsubishi Heavy Industries, Ltd.
- Electrolyser System10 Sep 2026US 2026/0265939 A1Ceres Intellectual Property Company Limited
- Hydrogen production system, hydrogen production method, and non-transitory tangible computer-readable storage medium27 Aug 2026US 2026/0250854 A1Denso Corporation
- Power conversion system27 Aug 2026US 2026/0254337 A1Denso Corporation
Most cited
By later US patents
- Natural gas-assisted steam electrolyzer135US 6,051,125 AThe Regents of the University of California · 2000
- System and method for the production and use of hydrogen on board a marine vessel54US 6,610,193 B2Have Blue, LLC · 2003
- Commercial production of hydrogen from water30US 7,326,329 B22008
- Process for converting biogas to a gas rich in methane27US 8,865,780 B2Haldor Topsoe A/S · 2014
- Production of hydrogen from solar radiation at high efficiency26US 5,658,448 A1997