C01B 3/58
Including a catalytic reaction
Official title: including a catalytic reaction
C01B3/58 (Including a catalytic reaction) appears on 463 US grants and 493 published applications in this corpus.
Search patents in C01B- Granted patents
- 463
- Published applications
- 493
- Assignees
- 262
- Inventors
- 1,201
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 10 | 0 |
| 2000 | 17 | 0 |
| 2001 | 18 | 12 |
| 2002 | 25 | 47 |
| 2003 | 22 | 43 |
| 2004 | 29 | 36 |
| 2005 | 18 | 24 |
| 2006 | 20 | 30 |
| 2007 | 16 | 31 |
| 2008 | 22 | 31 |
| 2009 | 20 | 20 |
| 2010 | 21 | 32 |
| 2011 | 21 | 20 |
| 2012 | 20 | 21 |
| 2013 | 17 | 18 |
| 2014 | 19 | 12 |
| 2015 | 16 | 21 |
| 2016 | 18 | 18 |
| 2017 | 18 | 10 |
| 2018 | 11 | 12 |
| 2019 | 12 | 10 |
| 2020 | 10 | 4 |
| 2021 | 6 | 8 |
| 2022 | 3 | 5 |
| 2023 | 6 | 8 |
| 2024 | 3 | 5 |
| 2025 | 6 | 9 |
| 2026 | 2 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Catalysts for conversion of CO2 or steam to CO or synthesis gas using fuels10 Mar 2026US 12,570,525 B2
- Hydrogen isotope concentrating apparatus27 Jan 2026US 12,533,634 B2Japan Atomic Energy Agency
- Metal organic framework derived nanocomposite catalyst for synthesis gas production23 Sep 2025US 12,421,112 B1United Arab Emirates University
- Device and method for recovering by-product oxygen of hydrogen production from electrolyzed water by low-temperature method5 Aug 2025US 12,378,686 B2Hangzhou Oxygen Plant Group Co., Ltd.
- Method and a device for operating PEM fuel cell with CO contaminated hydrogen gas17 Jun 2025US 12,334,612 B2Indian Oil Corporation Limited
- Process and apparatus for hydrogen production with low carbon dioxide levels8 Oct 2026US 2026/0307989 A1
- Anaerobic digester-based system for rng and hydrogen production13 Aug 2026US 2026/0233995 A1
- Process for producing very high purity helium or hydrogen30 Jul 2026US 2026/0217533 A1Air Liquide Advanced Technologies U.S. LLC
- Integration of carbon monoxide preferrential oxidation with a blue hydrogen plant28 May 2026US 2026/0145936 A1
- Hydrogen purification system and method16 Apr 2026US 2026/0102736 A1Cummins Emission Solutions Inc.
Most cited
By later US patents
- Steam reformer with internal hydrogen purification533US 5,861,137 A1999
- Steam reformer with internal hydrogen purification269US 5,997,594 ANorthwest Power Systems, LLC · 1999
- Hydrogen producing fuel processing system236US 6,221,117 B1IdaTech, LLC · 2001
- Fuel cell system with combustor-heated reformer172US 6,077,620 AGeneral Motors Corporation · 2000
- Integrated hydrocarbon reforming system and controls150US 6,641,625 B1Nuvera Fuel Cells, LLC · 2003