C01B 2203/12
Feeding the process for making hydrogen or synthesis gas
C01B2203/12 (Feeding the process for making hydrogen or synthesis gas) appears on 3,458 US grants and 4,695 published applications in this corpus.
Search patents in C01B- Granted patents
- 3,458
- Published applications
- 4,695
- Assignees
- 1,391
- Inventors
- 7,756
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 6 | 0 |
| 1978 | 8 | 0 |
| 1979 | 2 | 0 |
| 1980 | 6 | 0 |
| 1981 | 2 | 0 |
| 1982 | 8 | 0 |
| 1983 | 5 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 6 | 0 |
| 1988 | 10 | 0 |
| 1989 | 21 | 0 |
| 1990 | 14 | 0 |
| 1991 | 12 | 0 |
| 1992 | 16 | 0 |
| 1993 | 10 | 0 |
| 1994 | 13 | 0 |
| 1995 | 9 | 0 |
| 1996 | 20 | 0 |
| 1997 | 22 | 0 |
| 1998 | 30 | 0 |
| 1999 | 23 | 0 |
| 2000 | 48 | 0 |
| 2001 | 69 | 27 |
| 2002 | 50 | 141 |
| 2003 | 75 | 160 |
| 2004 | 98 | 196 |
| 2005 | 82 | 190 |
| 2006 | 99 | 157 |
| 2007 | 103 | 186 |
| 2008 | 90 | 214 |
| 2009 | 105 | 183 |
| 2010 | 142 | 239 |
| 2011 | 140 | 198 |
| 2012 | 158 | 156 |
| 2013 | 157 | 144 |
| 2014 | 136 | 186 |
| 2015 | 170 | 201 |
| 2016 | 167 | 219 |
| 2017 | 179 | 192 |
| 2018 | 148 | 153 |
| 2019 | 139 | 126 |
| 2020 | 102 | 114 |
| 2021 | 96 | 162 |
| 2022 | 104 | 196 |
| 2023 | 141 | 251 |
| 2024 | 146 | 260 |
| 2025 | 142 | 268 |
| 2026 | 116 | 176 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Complex oxides for reactive oxygen separation and related applications6 Oct 2026US 12,752,260 B2North Carolina State University
- 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
- Method for preparing synthesis gas6 Oct 2026US 12,753,074 B2LG Chem.Ltd.
- System and method embodiments for treating produced water using supercritical water desalination coupled with supercritical water oxidation6 Oct 2026US 12,753,101 B1Triad National Security, LLC
- Autonomous modular flare gas conversion systems and methods6 Oct 2026US 12,753,138 B2M2X Energy Inc.
- Hydrogen generation device8 Oct 2026US 2026/0307031 A1
- Hydrogen production device8 Oct 2026US 2026/0307034 A1Mitsubishi Heavy Industries, Ltd.
- Hydrogen generation apparatus8 Oct 2026US 2026/0307037 A1
- Catalyst for methane reforming and manufacturing method thereof8 Oct 2026US 2026/0307056 A1Hanwha Solutions Corporation
- Reactor, system and process for cracking ammonia8 Oct 2026US 2026/0307985 A1Johnson Matthey Davy Technologies Limited
Most cited
By later US patents
- Steam reformer with internal hydrogen purification533US 5,861,137 A1999
- Method for simultaneous recovery of hydrogen from water and from hydrocarbons351US 5,525,322 AThe Regents of the University of California · 1996
- Microcomponent chemical process sheet architecture299US 5,811,062 ABattelle Memorial Institute · 1998
- Methanol from coal and natural gas294US 4,407,973 AThe M. W. Kellogg Company · 1983
- Catalytic ceramic membrane steam-hydrocarbon reformer269US 5,229,102 AMedalert Corporation · 1993