C01B 3/061
By reaction of water with metal oxides
Official title: by reaction of water with metal oxides
C01B3/061 (By reaction of water with metal oxides) appears on 107 US grants and 140 published applications in this corpus.
Search patents in C01B- Granted patents
- 107
- Published applications
- 140
- Assignees
- 107
- Inventors
- 378
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 10 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 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 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 3 |
| 2005 | 2 | 3 |
| 2006 | 0 | 2 |
| 2007 | 1 | 2 |
| 2008 | 1 | 1 |
| 2009 | 0 | 3 |
| 2010 | 3 | 8 |
| 2011 | 1 | 7 |
| 2012 | 2 | 7 |
| 2013 | 4 | 7 |
| 2014 | 2 | 3 |
| 2015 | 3 | 10 |
| 2016 | 12 | 9 |
| 2017 | 6 | 6 |
| 2018 | 8 | 9 |
| 2019 | 4 | 5 |
| 2020 | 6 | 8 |
| 2021 | 6 | 3 |
| 2022 | 1 | 6 |
| 2023 | 6 | 11 |
| 2024 | 3 | 6 |
| 2025 | 4 | 11 |
| 2026 | 4 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Process for producing a hydrogen-rich gas stream from aluminium waste10 Mar 2026US 12,570,523 B2Befesa Aluminio, S.L.
- Systems and methods for generating hydrogen and magnetite from rock10 Feb 2026US 12,545,576 B2Ohio State Innovation Foundation
- Synthesis of plasma generating—chemical looping catalysts3 Feb 2026US 12,539,505 B2
- Hydrogen production and sulfur-carbon sequestration20 Jan 2026US 12,529,290 B2Koloma, Inc.
- Cyclic method of producing a hydrogen rich stream and/or a carbon monoxide rich stream23 Sep 2025US 12,421,110 B2Universiteit Gent
- Solar-powered flexible waste-to-fuels process1 Oct 2026US 2026/0295548 A1
- Method for Producing Oxygen Carrier, Method for Producing Hydrogen, and Apparatus for Producing Hydrogen17 Sep 2026US 2026/0274657 A1Japan Carbon Frontier Organization
- Systems and methods for generating hydrogen from iron ore tailings30 Jul 2026US 2026/0217524 A1Alliance for Energy Innovation, LLC
- Doped Barium Niobates for Thermochemical Water Splitting to Produce Hydrogen30 Apr 2026US 2026/0116749 A1UNM Rainforest Innovations
- Hydrogen production and sulfur-carbon sequestration23 Apr 2026US 2026/0110234 A1Koloma, Inc.
Most cited
By later US patents
- Combustion looping using composite oxygen carriers43US 7,767,191 B2The Ohio State University · 2010
- Process for the production of hydrogen36US 6,875,411 B2SNAMPROGETTI S.p. A. · 2005
- Sandwiched structure for production of heat and hydrogen gas35US 3,942,511 AThe United States of America as represented by the Secretary of the Navy · 1976
- Electrochemical energy conversion and storage system30US 5,492,777 AWestinghouse Electric Corp. · 1996
- Process for the production of hydrogen and the co-production of carbon dioxide30US 7,404,942 B2ENI S. p. A. · 2008