C01B 2203/0805
Methods of heating the process for making hydrogen or synthesis gas
C01B2203/0805 (Methods of heating the process for making hydrogen or synthesis gas) appears on 2,545 US grants and 3,446 published applications in this corpus.
Search patents in C01B- Granted patents
- 2,545
- Published applications
- 3,446
- Assignees
- 1,055
- Inventors
- 5,580
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 8 | 0 |
| 1988 | 10 | 0 |
| 1989 | 14 | 0 |
| 1990 | 15 | 0 |
| 1991 | 20 | 0 |
| 1992 | 14 | 0 |
| 1993 | 13 | 0 |
| 1994 | 8 | 0 |
| 1995 | 8 | 0 |
| 1996 | 13 | 0 |
| 1997 | 11 | 0 |
| 1998 | 19 | 0 |
| 1999 | 24 | 0 |
| 2000 | 42 | 0 |
| 2001 | 60 | 27 |
| 2002 | 50 | 124 |
| 2003 | 65 | 149 |
| 2004 | 96 | 181 |
| 2005 | 72 | 179 |
| 2006 | 99 | 147 |
| 2007 | 85 | 162 |
| 2008 | 79 | 172 |
| 2009 | 98 | 153 |
| 2010 | 142 | 174 |
| 2011 | 123 | 145 |
| 2012 | 113 | 117 |
| 2013 | 106 | 87 |
| 2014 | 115 | 121 |
| 2015 | 108 | 123 |
| 2016 | 103 | 102 |
| 2017 | 85 | 97 |
| 2018 | 69 | 72 |
| 2019 | 61 | 59 |
| 2020 | 57 | 80 |
| 2021 | 54 | 107 |
| 2022 | 55 | 147 |
| 2023 | 96 | 188 |
| 2024 | 115 | 215 |
| 2025 | 116 | 206 |
| 2026 | 78 | 112 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C01B 2203/0811By combustion of fuelIndexing code1,640
- C01B 2203/0838By heat exchange with exothermic reactions, other than by combustion of fuelIndexing code716
- C01B 2203/0866By combination of different heating methodsIndexing code382
- C01B 2203/085By electric heatingIndexing code380
- C01B 2203/0833Heating by indirect heat exchange with hot fluids, other than combustion gasesIndexing code288
- C01B 2203/0861By plasmaIndexing code185
- C01B 2203/0855By electromagnetic heatingIndexing code73
Recent patents
- Liquefaction process6 Oct 2026US 12,753,353 B1
- Nuclear reactor integrated oil and gas production systems and methods of operation6 Oct 2026US 12,753,674 B2Natura Resources LLC
- Apparatus for producing hydrogen gas29 Sep 2026US 12,747,157 B2Hyundai Motor Company
- Process and apparatus for cracking ammonia22 Sep 2026US 12,741,867 B2Air Products and Chemicals, Inc.
- Reactor and related systems and methods for fuel gas production22 Sep 2026US 12,741,868 B2InnoTech Alberta Inc.
- Electric radiant heating for direct conversion syngas reactor8 Oct 2026US 2026/0307033 A1Aether Fuels Pte. Ltd.
- Hydrogen generation apparatus8 Oct 2026US 2026/0307037 A1
- Reactor, system and process for cracking ammonia8 Oct 2026US 2026/0307985 A1Johnson Matthey Davy Technologies Limited
- Combined hydrogen production and sustainable fuels production8 Oct 2026US 2026/0307986 A1Lummus Technology Inc.
- Steam-Hydrocarbon Reforming with Reduced Carbon Dioxide Emissions8 Oct 2026US 2026/0307987 A1Air Products and Chemicals, Inc.
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
- Synthesis gas production system and method299US 6,085,512 ASyntroleum Corporation · 2000
- Catalytic ceramic membrane steam-hydrocarbon reformer269US 5,229,102 AMedalert Corporation · 1993