C01B 2203/1235
Hydrocarbons
C01B2203/1235 (Hydrocarbons) appears on 2,556 US grants and 3,402 published applications in this corpus.
Search patents in C01B- Granted patents
- 2,556
- Published applications
- 3,402
- Assignees
- 1,110
- Inventors
- 5,936
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 6 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 7 | 0 |
| 1983 | 5 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 8 | 0 |
| 1989 | 16 | 0 |
| 1990 | 11 | 0 |
| 1991 | 10 | 0 |
| 1992 | 16 | 0 |
| 1993 | 10 | 0 |
| 1994 | 13 | 0 |
| 1995 | 8 | 0 |
| 1996 | 18 | 0 |
| 1997 | 19 | 0 |
| 1998 | 25 | 0 |
| 1999 | 20 | 0 |
| 2000 | 41 | 0 |
| 2001 | 56 | 19 |
| 2002 | 39 | 101 |
| 2003 | 46 | 107 |
| 2004 | 77 | 130 |
| 2005 | 59 | 116 |
| 2006 | 75 | 113 |
| 2007 | 72 | 108 |
| 2008 | 58 | 150 |
| 2009 | 56 | 116 |
| 2010 | 91 | 171 |
| 2011 | 102 | 125 |
| 2012 | 107 | 105 |
| 2013 | 105 | 100 |
| 2014 | 101 | 149 |
| 2015 | 124 | 150 |
| 2016 | 122 | 177 |
| 2017 | 129 | 137 |
| 2018 | 112 | 114 |
| 2019 | 100 | 91 |
| 2020 | 74 | 95 |
| 2021 | 75 | 132 |
| 2022 | 84 | 149 |
| 2023 | 117 | 193 |
| 2024 | 115 | 199 |
| 2025 | 112 | 219 |
| 2026 | 87 | 136 |
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
- Combined hydrogen production and sustainable fuels production8 Oct 2026US 2026/0307986 A1Lummus Technology 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
- 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