C01B 2203/143
Three or more reforming, decomposition or partial oxidation steps in series
C01B2203/143 (Three or more reforming, decomposition or partial oxidation steps in series) appears on 252 US grants and 276 published applications in this corpus.
Search patents in C01B- Granted patents
- 252
- Published applications
- 276
- Assignees
- 140
- Inventors
- 627
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 6 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 9 | 0 |
| 2001 | 11 | 7 |
| 2002 | 7 | 17 |
| 2003 | 10 | 19 |
| 2004 | 14 | 13 |
| 2005 | 12 | 13 |
| 2006 | 6 | 26 |
| 2007 | 11 | 12 |
| 2008 | 9 | 13 |
| 2009 | 11 | 9 |
| 2010 | 12 | 11 |
| 2011 | 7 | 9 |
| 2012 | 9 | 19 |
| 2013 | 11 | 11 |
| 2014 | 11 | 9 |
| 2015 | 15 | 14 |
| 2016 | 9 | 15 |
| 2017 | 7 | 6 |
| 2018 | 10 | 3 |
| 2019 | 8 | 4 |
| 2020 | 2 | 5 |
| 2021 | 2 | 5 |
| 2022 | 2 | 4 |
| 2023 | 3 | 7 |
| 2024 | 5 | 15 |
| 2025 | 6 | 5 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Adiabatic multi-stage reactors for hydrogen production and related systems and methods4 Aug 2026US 12,698,204 B2Saudi Arabian Oil Company
- Process and apparatus for cracking ammonia26 May 2026US 12,637,350 B2Air Products and Chemicals, Inc.
- Systems and methods for local generation and/or consumption of hydrogen gas20 Jan 2026US 12,528,699 B2Modern Hydrogen, Inc.
- Process and apparatus for cracking ammonia16 Dec 2025US 12,497,290 B2Air Products and Chemicals, Inc.
- Process and apparatus for cracking ammonia23 Sep 2025US 12,421,109 B2Air Products and Chemicals, Inc.
- Process for producing hydrogen10 Sep 2026US 2026/0265053 A1Johnson Matthey Davy Technologies Limited
- Plant and process for producing hydrogen from hydrocarbons20 Aug 2026US 2026/0242219 A1Technip Energies France
- Process to control the outlet temperature of a heat exchange reformer in syngas production for chemical and fuel industries25 Jun 2026US 2026/0176138 A1Topsoe A/S
- Systems and methods for local generation and/or consumption of hydrogen gas21 May 2026US 2026/0138871 A1Modern Hydrogen, Inc.
- Multistage catalytic reaction system for simultaneous conversion of hydrocarbons of various carbon numbers9 Apr 2026US 2026/0097376 A1Korea Institute of Energy Research
Most cited
By later US patents
- Synthesis gas production by mixed conducting membranes with integrated conversion into liquid products162US 6,114,400 AAir Products and Chemicals, Inc. · 2000
- Integrated hydrocarbon reforming system and controls150US 6,641,625 B1Nuvera Fuel Cells, LLC · 2003
- Utilization of synthesis gas produced by mixed conducting membranes127US 6,110,979 AAir Products and Chemicals, Inc. · 2000
- Apparatus for providing a pure hydrogen stream for use with fuel cells117US 6,190,623 B1Uop LLC · 2001
- Production of hydrogen and carbon monoxide106US 4,861,351 AAir Products and Chemicals, Inc. · 1989