C01B 13/0203
From inorganic compounds
Official title: {from inorganic compounds}
C01B13/0203 (From inorganic compounds) appears on 528 US grants and 629 published applications in this corpus.
Search patents in C01B- Granted patents
- 528
- Published applications
- 629
- Assignees
- 424
- Inventors
- 1,390
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 13 | 0 |
| 1978 | 8 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 8 | 0 |
| 1982 | 8 | 0 |
| 1983 | 4 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 9 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 8 | 0 |
| 1998 | 8 | 0 |
| 1999 | 8 | 0 |
| 2000 | 12 | 0 |
| 2001 | 8 | 4 |
| 2002 | 11 | 8 |
| 2003 | 4 | 5 |
| 2004 | 4 | 17 |
| 2005 | 9 | 22 |
| 2006 | 9 | 29 |
| 2007 | 7 | 27 |
| 2008 | 8 | 22 |
| 2009 | 12 | 25 |
| 2010 | 11 | 28 |
| 2011 | 14 | 29 |
| 2012 | 17 | 29 |
| 2013 | 24 | 40 |
| 2014 | 15 | 27 |
| 2015 | 32 | 28 |
| 2016 | 17 | 27 |
| 2017 | 15 | 29 |
| 2018 | 22 | 41 |
| 2019 | 24 | 28 |
| 2020 | 30 | 22 |
| 2021 | 20 | 23 |
| 2022 | 13 | 27 |
| 2023 | 20 | 24 |
| 2024 | 16 | 40 |
| 2025 | 22 | 20 |
| 2026 | 13 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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
- Catalytic decomposition reactors28 Jul 2026US 12,692,824 B2Firehawk Aerospace, Inc.
- Method and system of thermolysis based hydrogen and oxygen generation21 Jul 2026US 12,686,615 B2Cosmic Energy Power Inc.
- Hydrogen and oxygen generation using detonation waves1 Oct 2026US 2026/0296883 A1Green Constellation Inc.
- High efficiency electro-photocatalysts16 Jul 2026US 2026/0199827 A1
- Wearable co2 adsorption and decomposition system and methods of implementing the same25 Jun 2026US 2026/0175169 A1
- Method for reducing the global greenhouse effect30 Apr 2026US 2026/0114386 A1
- Oxygen production system and method26 Mar 2026US 2026/0084962 A1
Most cited
By later US patents
- Hydrogen generation by hydrolysis of hydrides for undersea vehicle fuel cell energy systems197US 5,372,617 AThe Charles Stark Draper Laboratory, Inc. · 1994
- Photoelectrochemical device containing a quantum confined group IV semiconductor nanoparticle133US 6,361,660 B12002
- Cross-flow electrochemical reactor cells, cross-flow reactors, and use of cross-flow reactors for oxidation reactions92US 5,356,728 AAmoco Corporation · 1994
- Ion transport membranes with catalyzed mixed conducting porous layer73US 5,534,471 AAir Products and Chemicals, Inc. · 1996
- Process of converting ethylbenzene to styrene using a graphite nanocatalysts72US 7,307,195 B2Catalytic Materials, LLC · 2007