C01B 2203/0294
Containing three or more co-shift steps
Official title: containing three or more CO-shift steps
C01B2203/0294 (Containing three or more co-shift steps) appears on 69 US grants and 113 published applications in this corpus.
Search patents in C01B- Granted patents
- 69
- Published applications
- 113
- Assignees
- 43
- Inventors
- 197
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 1 |
| 2003 | 0 | 2 |
| 2004 | 1 | 4 |
| 2005 | 1 | 3 |
| 2006 | 1 | 4 |
| 2007 | 1 | 2 |
| 2008 | 3 | 4 |
| 2009 | 1 | 5 |
| 2010 | 7 | 3 |
| 2011 | 3 | 8 |
| 2012 | 6 | 12 |
| 2013 | 2 | 2 |
| 2014 | 5 | 7 |
| 2015 | 4 | 3 |
| 2016 | 2 | 3 |
| 2017 | 4 | 3 |
| 2018 | 4 | 5 |
| 2019 | 1 | 1 |
| 2020 | 2 | 3 |
| 2021 | 0 | 5 |
| 2022 | 4 | 8 |
| 2023 | 0 | 6 |
| 2024 | 6 | 4 |
| 2025 | 5 | 8 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Use of renewable energy in methanol synthesis14 Jul 2026US 12,678,760 B2Sabic Global Technologies B.V.
- Process and plant for the production of synthesis gas and generation of process condensate5 May 2026US 12,617,676 B2Topsoe A/S
- Direct coupled atmospheric carbon reduction device with hydrogen utilization24 Mar 2026US 12,583,744 B2
- ATR-based hydrogen process and plant11 Nov 2025US 12,466,730 B2Haldor TopsøE A/S
- Oxidative reforming and electrolysis system and process for hydrogen generation4 Nov 2025US 12,459,815 B2Pcc Hydrogen Inc.
- Process and plant for the production of synthesis gas and generation of process condensate20 Aug 2026US 2026/0242218 A1Topsoe A/S
- Decarbonisation of a chemical plant18 Jun 2026US 2026/0167489 A1Johnson Matthey Public Limited Company
- Process and plant for the production of synthesis gas and generation of process condensate4 Jun 2026US 2026/0152393 A1Topsoe A/S
- Use of renewable energy in ammonia synthesis23 Apr 2026US 2026/0108861 A1Sabic Global Technologies B.V.
- Decarbonisation of a chemical plant9 Apr 2026US 2026/0097956 A1Johnson Matthey Public Limited Company
Most cited
By later US patents
- Methods for producing synthesis gas50US 7,722,690 B2Kellogg Brown & Root LLC · 2010
- Hydrogen production48US 5,030,440 AImperial Chemical Industries PLC · 1991
- Systems, methods, and compositions for production of synthetic hydrocarbon compounds35US 7,642,292 B2Fuelcor, LLC · 2010
- Process to prepare a diluted hydrogen gas mixture35US 8,900,546 B2Shell Oil Company · 2014
- Steam-hydrocarbon reforming method with limited steam export24US 7,988,948 B2Air Products and Chemicals, Inc. · 2011