C01B 2203/0283
Containing a co-shift step, i.e. a water gas shift step
Official title: containing a CO-shift step, i.e. a water gas shift step
C01B2203/0283 (Containing a co-shift step, i.e. a water gas shift step) appears on 1,925 US grants and 2,607 published applications in this corpus.
Search patents in C01B- Granted patents
- 1,925
- Published applications
- 2,607
- Assignees
- 755
- Inventors
- 4,032
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 5 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 9 | 0 |
| 1992 | 7 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 8 | 0 |
| 1999 | 6 | 0 |
| 2000 | 26 | 0 |
| 2001 | 23 | 14 |
| 2002 | 27 | 85 |
| 2003 | 44 | 99 |
| 2004 | 59 | 153 |
| 2005 | 63 | 105 |
| 2006 | 49 | 112 |
| 2007 | 74 | 91 |
| 2008 | 60 | 105 |
| 2009 | 61 | 100 |
| 2010 | 87 | 149 |
| 2011 | 101 | 161 |
| 2012 | 93 | 114 |
| 2013 | 114 | 94 |
| 2014 | 96 | 123 |
| 2015 | 108 | 100 |
| 2016 | 85 | 91 |
| 2017 | 85 | 95 |
| 2018 | 73 | 79 |
| 2019 | 71 | 60 |
| 2020 | 62 | 69 |
| 2021 | 63 | 74 |
| 2022 | 49 | 103 |
| 2023 | 80 | 134 |
| 2024 | 75 | 131 |
| 2025 | 71 | 110 |
| 2026 | 41 | 56 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Liquefaction process6 Oct 2026US 12,753,353 B1
- Steam methane reforming with process carbon dioxide capture and ammonia firing15 Sep 2026US 12,735,316 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Converting natural gas to dimethyl ether8 Sep 2026US 12,729,174 B2Saudi Arabian Oil Company
- Method for preparing water gas shift catalysts, catalysts and process for reducing carbon monoxide content1 Sep 2026US 12,722,148 B2Petroleo Brasileiro S.A. - Petrobras
- Hybrid partial oxidation and reverse water gas shift based carbon monoxide production system1 Sep 2026US 12,722,972 B2Dioxycle
- Hydrogen generation apparatus8 Oct 2026US 2026/0307037 A1
- Steam-Hydrocarbon Reforming with Reduced Carbon Dioxide Emissions8 Oct 2026US 2026/0307987 A1Air Products and Chemicals, Inc.
- Process and apparatus for hydrogen production with low carbon dioxide levels8 Oct 2026US 2026/0307989 A1
- Hydrogen manufacturing system and method for manufacturing hydrogen1 Oct 2026US 2026/0296884 A1Hyundai Motor Company
- Enhanced feedstock reforming via electrical resistance heating24 Sep 2026US 2026/0285678 A1Blaze Energy Technologies Corporation
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
- Steam reformer with internal hydrogen purification269US 5,997,594 ANorthwest Power Systems, LLC · 1999