C01B 2203/02
Processes for making hydrogen or synthesis gas
C01B2203/02 (Processes for making hydrogen or synthesis gas) appears on 5,217 US grants and 7,274 published applications in this corpus.
Search patents in C01B- Granted patents
- 5,217
- Published applications
- 7,274
- Assignees
- 1,882
- Inventors
- 10,908
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 7 | 0 |
| 1978 | 10 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 3 | 0 |
| 1982 | 7 | 0 |
| 1983 | 7 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 6 | 0 |
| 1988 | 12 | 0 |
| 1989 | 20 | 0 |
| 1990 | 16 | 0 |
| 1991 | 17 | 0 |
| 1992 | 20 | 0 |
| 1993 | 13 | 0 |
| 1994 | 14 | 0 |
| 1995 | 11 | 0 |
| 1996 | 20 | 0 |
| 1997 | 25 | 0 |
| 1998 | 31 | 0 |
| 1999 | 25 | 0 |
| 2000 | 52 | 0 |
| 2001 | 80 | 35 |
| 2002 | 64 | 189 |
| 2003 | 105 | 246 |
| 2004 | 150 | 340 |
| 2005 | 131 | 296 |
| 2006 | 154 | 271 |
| 2007 | 158 | 295 |
| 2008 | 145 | 316 |
| 2009 | 181 | 290 |
| 2010 | 237 | 380 |
| 2011 | 234 | 349 |
| 2012 | 239 | 277 |
| 2013 | 270 | 263 |
| 2014 | 238 | 305 |
| 2015 | 281 | 321 |
| 2016 | 249 | 301 |
| 2017 | 246 | 268 |
| 2018 | 209 | 232 |
| 2019 | 202 | 190 |
| 2020 | 170 | 185 |
| 2021 | 159 | 235 |
| 2022 | 146 | 311 |
| 2023 | 213 | 365 |
| 2024 | 234 | 387 |
| 2025 | 214 | 379 |
| 2026 | 170 | 248 |
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
- Kinetic enhancements for thermal pyrolysis process, hybrid thermal-electric pyrolysis, and associated systems and methods6 Oct 2026US 12,753,073 B2Shell USA, Inc.
- 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
- Electric radiant heating for direct conversion syngas reactor8 Oct 2026US 2026/0307033 A1Aether Fuels Pte. Ltd.
- 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
Most cited
By later US patents
- Steam reformer with internal hydrogen purification533US 5,861,137 A1999
- Electro-mechanical interfaces to mount robotic surgical arms470US 7,762,825 B2Intuitive Surgical Operations, Inc. · 2010
- 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