C01B 2203/1047
Group viii metal catalysts
Official title: Group VIII metal catalysts
C01B2203/1047 (Group viii metal catalysts) appears on 1,818 US grants and 2,216 published applications in this corpus.
Search patents in C01B- Granted patents
- 1,818
- Published applications
- 2,216
- Assignees
- 915
- Inventors
- 4,841
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 13 | 0 |
| 1978 | 12 | 0 |
| 1979 | 4 | 0 |
| 1980 | 9 | 0 |
| 1981 | 3 | 0 |
| 1982 | 10 | 0 |
| 1983 | 6 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 6 | 0 |
| 1988 | 11 | 0 |
| 1989 | 9 | 0 |
| 1990 | 6 | 0 |
| 1991 | 15 | 0 |
| 1992 | 16 | 0 |
| 1993 | 9 | 0 |
| 1994 | 13 | 0 |
| 1995 | 11 | 0 |
| 1996 | 16 | 0 |
| 1997 | 12 | 0 |
| 1998 | 23 | 0 |
| 1999 | 17 | 0 |
| 2000 | 30 | 0 |
| 2001 | 44 | 20 |
| 2002 | 39 | 85 |
| 2003 | 48 | 95 |
| 2004 | 63 | 108 |
| 2005 | 63 | 101 |
| 2006 | 52 | 85 |
| 2007 | 55 | 97 |
| 2008 | 50 | 110 |
| 2009 | 46 | 85 |
| 2010 | 72 | 127 |
| 2011 | 77 | 95 |
| 2012 | 72 | 81 |
| 2013 | 79 | 87 |
| 2014 | 69 | 82 |
| 2015 | 75 | 78 |
| 2016 | 72 | 91 |
| 2017 | 71 | 82 |
| 2018 | 77 | 60 |
| 2019 | 62 | 45 |
| 2020 | 38 | 53 |
| 2021 | 38 | 83 |
| 2022 | 53 | 86 |
| 2023 | 65 | 105 |
| 2024 | 65 | 94 |
| 2025 | 59 | 98 |
| 2026 | 40 | 83 |
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
- Synthesis of zinc / titanium monolithic photocatalysts and applications thereof15 Sep 2026US 12,734,508 B1United Arab Emirates University
- Integrated hydrogen production system and method of use1 Sep 2026US 12,723,313 B2Utility Global, Inc.
- Palladium-based membrane25 Aug 2026US 12,715,767 B2National University of Singapore
- High entropy alloy catalyst for production of hydrogen from natural gas18 Aug 2026US 12,709,541 B2Saudi Arabian Oil Company
- Catalyst for methane reforming and manufacturing method thereof8 Oct 2026US 2026/0307056 A1Hanwha Solutions Corporation
- Bimetallic catalysts supported on lanthanum manganite (lamno3) for ammonia decomposition8 Oct 2026US 2026/0307984 A1King Fahd University of Petroleum and Minerals
- Solar-powered flexible waste-to-fuels process1 Oct 2026US 2026/0295548 A1
- Synthesis of zinc / titanium monolithic photocatalysts and applications thereof24 Sep 2026US 2026/0284642 A1United Arab Emirates University
- Apparatus and method for direct decomposition of hydrocarbon24 Sep 2026US 2026/0285680 A1Mitsubishi Heavy Industries, Ltd.
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