C01B 3/045
In gaseous phase
Official title: {in gaseous phase}
C01B3/045 (In gaseous phase) appears on 82 US grants and 100 published applications in this corpus.
Search patents in C01B- Granted patents
- 82
- Published applications
- 100
- Assignees
- 79
- Inventors
- 234
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 3 | 2 |
| 2004 | 0 | 4 |
| 2005 | 1 | 4 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 2 | 4 |
| 2009 | 1 | 8 |
| 2010 | 4 | 2 |
| 2011 | 0 | 6 |
| 2012 | 3 | 3 |
| 2013 | 2 | 4 |
| 2014 | 4 | 3 |
| 2015 | 1 | 4 |
| 2016 | 4 | 3 |
| 2017 | 1 | 1 |
| 2018 | 2 | 5 |
| 2019 | 3 | 1 |
| 2020 | 1 | 8 |
| 2021 | 3 | 6 |
| 2022 | 7 | 3 |
| 2023 | 3 | 4 |
| 2024 | 5 | 13 |
| 2025 | 5 | 6 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus and method for isolating hydrogen from water11 Aug 2026US 12,703,628 B2Rtx Corporation
- Method for converting thermal energy into dissociation energy of molecules of a gas medium and a device for implementing same27 Jan 2026US 12,533,649 B2Sun2h AG
- Oxygen transport reactors for co-generating ammonia and power29 Jul 2025US 12,370,522 B2King Abdullah City for Atomic & Renewable Energy (K.A. Care)
- Thermochemical reactions using geothermal energy10 Jun 2025US 12,325,633 B2EnhancedGEO Holdings, LLC
- Molten-salt mediated thermochemical reactions using geothermal energy3 Jun 2025US 12,319,573 B2EnhancedGEO Holdings, LLC
- Hydrogen and oxygen generation using detonation waves1 Oct 2026US 2026/0296883 A1Green Constellation Inc.
- H2 production from humid air using plasma in the presence of an adsorbent and/or catalyst11 Jun 2026US 2026/0159382 A1The Board of Trustees of the University of Illinois
- Method for producing hydrogen by dissociating water through thermochemical reactions and device for carrying out same5 Feb 2026US 2026/0035241 A1Universidad Politecnica De Madrid
- Photocatalytic splitting of water13 Nov 2025US 2025/0346485 A1Oxford University Innovation Limited
- Photocatalytic co2 reduction with co-catalyst decorated nanostructures13 Nov 2025US 2025/0346492 A1The Regents of the University of Michigan
Most cited
By later US patents
- Endothermal water decomposition unit for producing hydrogen and oxygen57US 4,254,086 A1981
- System for obtaining hydrogen and oxygen from water using solar energy53US 4,053,576 ARegents of the University of Minnesota · 1977
- Solar hydrogen generator46US 4,019,868 AThe United States of America as represented by the Administrator of the National Aeronautics and Space Administration · 1977
- Process and apparatus for generating hydrogen and oxygen using solar energy35US 4,233,127 A1980
- Solar power system30US 4,030,890 A1977