C01B 2203/1241
Natural gas or methane
C01B2203/1241 (Natural gas or methane) appears on 1,879 US grants and 2,450 published applications in this corpus.
Search patents in C01B- Granted patents
- 1,879
- Published applications
- 2,450
- Assignees
- 865
- Inventors
- 4,473
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 6 | 0 |
| 1989 | 10 | 0 |
| 1990 | 11 | 0 |
| 1991 | 8 | 0 |
| 1992 | 15 | 0 |
| 1993 | 9 | 0 |
| 1994 | 11 | 0 |
| 1995 | 8 | 0 |
| 1996 | 17 | 0 |
| 1997 | 17 | 0 |
| 1998 | 25 | 0 |
| 1999 | 16 | 0 |
| 2000 | 36 | 0 |
| 2001 | 53 | 16 |
| 2002 | 29 | 72 |
| 2003 | 33 | 73 |
| 2004 | 54 | 85 |
| 2005 | 40 | 78 |
| 2006 | 57 | 84 |
| 2007 | 52 | 68 |
| 2008 | 45 | 87 |
| 2009 | 35 | 73 |
| 2010 | 55 | 120 |
| 2011 | 76 | 82 |
| 2012 | 71 | 78 |
| 2013 | 68 | 72 |
| 2014 | 76 | 115 |
| 2015 | 78 | 101 |
| 2016 | 82 | 119 |
| 2017 | 99 | 104 |
| 2018 | 76 | 89 |
| 2019 | 78 | 77 |
| 2020 | 53 | 74 |
| 2021 | 57 | 100 |
| 2022 | 69 | 125 |
| 2023 | 87 | 144 |
| 2024 | 92 | 150 |
| 2025 | 83 | 160 |
| 2026 | 63 | 104 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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
- 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.
- Liquefaction process6 Oct 2026US 12,753,353 B1
- Hydrogen generation device8 Oct 2026US 2026/0307031 A1
- 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.
- 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
- 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