C01B 2203/142
At least two reforming, decomposition or partial oxidation steps in series
C01B2203/142 (At least two reforming, decomposition or partial oxidation steps in series) appears on 937 US grants and 1,114 published applications in this corpus.
Search patents in C01B- Granted patents
- 937
- Published applications
- 1,114
- Assignees
- 426
- Inventors
- 2,038
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 6 | 0 |
| 1989 | 7 | 0 |
| 1990 | 4 | 0 |
| 1991 | 8 | 0 |
| 1992 | 6 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 8 | 0 |
| 1999 | 14 | 0 |
| 2000 | 31 | 0 |
| 2001 | 33 | 16 |
| 2002 | 22 | 69 |
| 2003 | 34 | 64 |
| 2004 | 50 | 78 |
| 2005 | 46 | 84 |
| 2006 | 39 | 72 |
| 2007 | 38 | 50 |
| 2008 | 38 | 69 |
| 2009 | 48 | 48 |
| 2010 | 59 | 40 |
| 2011 | 38 | 46 |
| 2012 | 30 | 38 |
| 2013 | 31 | 23 |
| 2014 | 29 | 35 |
| 2015 | 35 | 35 |
| 2016 | 33 | 51 |
| 2017 | 35 | 30 |
| 2018 | 32 | 20 |
| 2019 | 26 | 20 |
| 2020 | 13 | 22 |
| 2021 | 21 | 31 |
| 2022 | 16 | 30 |
| 2023 | 26 | 32 |
| 2024 | 23 | 49 |
| 2025 | 21 | 33 |
| 2026 | 12 | 29 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Process and apparatus for cracking ammonia22 Sep 2026US 12,741,867 B2Air Products and Chemicals, Inc.
- Systems and methods for supplying gaseous ammonia to serially-connected ammonia cracking units1 Sep 2026US 12,723,559 B2First Ammonia Motors, Inc.
- Process and plant for producing pure hydrogen by steam reforming with low carbon dioxide emissions25 Aug 2026US 12,715,766 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Adiabatic multi-stage reactors for hydrogen production and related systems and methods4 Aug 2026US 12,698,204 B2Saudi Arabian Oil Company
- Conversion of a hydrocarbon feed gas to synthesis gas for producing hydrocarbons14 Jul 2026US 12,679,726 B2Topsoe A/S
- Process for producing low-carbon ammonia from natural gas24 Sep 2026US 2026/0285696 A1Publichnoe Aktsionernoe Obshchestvo "NOVATEK"
- Systems and methods for stationary power generation using hydrogen and ammonia co-fuels17 Sep 2026US 2026/0275942 A1First Ammonia Motors, Inc.
- Process for producing hydrogen10 Sep 2026US 2026/0265053 A1Johnson Matthey Davy Technologies Limited
- Process and plant for the production of synthesis gas and generation of process condensate20 Aug 2026US 2026/0242218 A1Topsoe A/S
- Plant and process for producing hydrogen from hydrocarbons20 Aug 2026US 2026/0242219 A1Technip Energies France
Most cited
By later US patents
- Steam reformer with internal hydrogen purification533US 5,861,137 A1999
- Method of methanol production328US 4,927,857 AEngelhard Corporation · 1990
- Synthesis gas production system and method299US 6,085,512 ASyntroleum Corporation · 2000
- Process for converting gas to liquids294US 6,172,124 B2Sybtroleum Corporation · 2001
- Steam reformer with internal hydrogen purification269US 5,997,594 ANorthwest Power Systems, LLC · 1999