C01B 3/06
By reaction of inorganic compounds containing electro-positively bound hydrogen with inorganic reducing
Official title: by reaction of inorganic compounds containing electro-positively bound hydrogen with inorganic reducing agents
C01B3/06 (By reaction of inorganic compounds containing electro-positively bound hydrogen with inorganic reducing) appears on 1,784 US grants and 2,302 published applications in this corpus.
Search patents in C01B- Granted patents
- 1,784
- Published applications
- 2,302
- Assignees
- 1,011
- Inventors
- 4,454
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 26 | 0 |
| 1977 | 28 | 0 |
| 1978 | 22 | 0 |
| 1979 | 21 | 0 |
| 1980 | 17 | 0 |
| 1981 | 20 | 0 |
| 1982 | 18 | 0 |
| 1983 | 11 | 0 |
| 1984 | 11 | 0 |
| 1985 | 15 | 0 |
| 1986 | 6 | 0 |
| 1987 | 9 | 0 |
| 1988 | 6 | 0 |
| 1989 | 9 | 0 |
| 1990 | 11 | 0 |
| 1991 | 7 | 0 |
| 1992 | 8 | 0 |
| 1993 | 8 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 10 | 0 |
| 1997 | 12 | 0 |
| 1998 | 11 | 0 |
| 1999 | 6 | 0 |
| 2000 | 8 | 0 |
| 2001 | 7 | 8 |
| 2002 | 12 | 53 |
| 2003 | 33 | 61 |
| 2004 | 35 | 85 |
| 2005 | 37 | 82 |
| 2006 | 38 | 76 |
| 2007 | 41 | 85 |
| 2008 | 34 | 93 |
| 2009 | 45 | 119 |
| 2010 | 64 | 135 |
| 2011 | 81 | 126 |
| 2012 | 71 | 115 |
| 2013 | 87 | 90 |
| 2014 | 89 | 123 |
| 2015 | 94 | 120 |
| 2016 | 96 | 82 |
| 2017 | 81 | 81 |
| 2018 | 71 | 58 |
| 2019 | 61 | 56 |
| 2020 | 37 | 67 |
| 2021 | 47 | 61 |
| 2022 | 48 | 94 |
| 2023 | 65 | 112 |
| 2024 | 66 | 126 |
| 2025 | 82 | 119 |
| 2026 | 52 | 75 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C01B 3/12By reaction of water vapour with carbon monoxide721
- C01B 3/065By reaction of inorganic compounds with hydrides470
- C01B 3/08By reaction of inorganic compounds with metals385
- C01B 3/061By reaction of water with metal oxides107
- C01B 3/103The hydrogen being generated from the water as a result of cycles89
- C01B 3/20By reaction of metal hydroxides with carbon monoxide2
- C01B 3/066By reaction of water with phosphorus0
Recent patents
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- Protonation approach to improve the green hydrogen production using aluminum alloy8 Sep 2026US 12,729,112 B1University of Jeddah
- Clean hydrogen production through the sulfur-iodine cycle8 Sep 2026US 12,729,113 B2Inventus Holdings, LLC
- Solar-powered flexible waste-to-fuels process1 Oct 2026US 2026/0295548 A1
- Proton rich ionic fluid and methods of test-affirmation24 Sep 2026US 2026/0285679 A1TegIpco, LLC
- Method for Producing Oxygen Carrier, Method for Producing Hydrogen, and Apparatus for Producing Hydrogen17 Sep 2026US 2026/0274657 A1Japan Carbon Frontier Organization
- Ironmaking method and associated plant17 Sep 2026US 2026/0275433 A1
- Metal phosphide-graphene aerogel catalyst for hydrolysis of ammonia borane, method for preparing the same, and hydrogen production system for hydrolysis of ammonia borane comprising the same10 Sep 2026US 2026/0264069 A1The Hong Kong Polytechnic University
Most cited
By later US patents
- Method for simultaneous recovery of hydrogen from water and from hydrocarbons351US 5,525,322 AThe Regents of the University of California · 1996
- Method for the production of hydrogen-containing gaseous mixtures233US 6,685,754 B2Alchemix Corporation · 2004
- Hydrogen generation by hydrolysis of hydrides for undersea vehicle fuel cell energy systems197US 5,372,617 AThe Charles Stark Draper Laboratory, Inc. · 1994
- Composite hydrogen separation element and module185US 5,498,278 ABend Research, Inc. · 1996
- Composite hydrogen separation element and module164US 5,645,626 ABend Research, Inc. · 1997