C01B 3/22
By decomposition of gaseous or liquid organic compounds
Official title: by decomposition of gaseous or liquid organic compounds
C01B3/22 (By decomposition of gaseous or liquid organic compounds) appears on 936 US grants and 1,364 published applications in this corpus.
Search patents in C01B- Granted patents
- 936
- Published applications
- 1,364
- Assignees
- 655
- Inventors
- 2,909
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 16 | 0 |
| 1977 | 6 | 0 |
| 1978 | 8 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 6 | 0 |
| 1982 | 5 | 0 |
| 1983 | 10 | 0 |
| 1984 | 4 | 0 |
| 1985 | 6 | 0 |
| 1986 | 7 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 8 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 11 | 0 |
| 1994 | 7 | 0 |
| 1995 | 1 | 0 |
| 1996 | 6 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 1 |
| 2002 | 9 | 14 |
| 2003 | 10 | 15 |
| 2004 | 6 | 20 |
| 2005 | 12 | 17 |
| 2006 | 9 | 14 |
| 2007 | 8 | 21 |
| 2008 | 7 | 47 |
| 2009 | 17 | 33 |
| 2010 | 18 | 34 |
| 2011 | 20 | 50 |
| 2012 | 27 | 28 |
| 2013 | 29 | 59 |
| 2014 | 49 | 79 |
| 2015 | 53 | 45 |
| 2016 | 46 | 54 |
| 2017 | 42 | 68 |
| 2018 | 39 | 54 |
| 2019 | 58 | 42 |
| 2020 | 33 | 27 |
| 2021 | 24 | 56 |
| 2022 | 31 | 95 |
| 2023 | 55 | 122 |
| 2024 | 50 | 137 |
| 2025 | 66 | 140 |
| 2026 | 74 | 92 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Thermocatalytic decomposition of methane using catalyst system design and operational parameters to control product yield and properties6 Oct 2026US 12,753,072 B2Battelle Memorial Institute
- Kinetic enhancements for thermal pyrolysis process, hybrid thermal-electric pyrolysis, and associated systems and methods6 Oct 2026US 12,753,073 B2Shell USA, Inc.
- Apparatus for producing hydrogen gas29 Sep 2026US 12,747,157 B2Hyundai Motor Company
- Circular carbon process29 Sep 2026US 12,747,159 B2BASF SE
- Ethane activation systems including a composite media and related reactor apparatuses22 Sep 2026US 12,741,274 B2Battelle Energy Alliance, LLC
- Hydrogen generation device8 Oct 2026US 2026/0307031 A1
- Hydrogen production device8 Oct 2026US 2026/0307034 A1Mitsubishi Heavy Industries, Ltd.
- Combined hydrogen production and sustainable fuels production8 Oct 2026US 2026/0307986 A1Lummus Technology Inc.
- Hydrogen manufacturing system and method for manufacturing hydrogen1 Oct 2026US 2026/0296884 A1Hyundai Motor Company
- Methods of making carbon coated particles from reclaimed carbon and other particles1 Oct 2026US 2026/0297731 A1Cabot Corporation
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
- Plasma whirl reactor apparatus and methods of use164US 7,622,693 B2Foret Plasma Labs, LLC · 2009
- Photoelectrochemical device containing a quantum confined group IV semiconductor nanoparticle133US 6,361,660 B12002
- Thermal synthesis apparatus and process128US 6,821,500 B2Bechtel BWXT Idaho, LLC · 2004
- Hydrogen-rich gas generator112US 3,982,910 AThe United States of America as represented by the Administrator of the National Aeronautics and Space Administration · 1976