C01B 2203/066
With fuel cells
Official title: with fuel cells
C01B2203/066 (With fuel cells) appears on 1,552 US grants and 2,123 published applications in this corpus.
Search patents in C01B- Granted patents
- 1,552
- Published applications
- 2,123
- Assignees
- 655
- Inventors
- 3,423
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 10 | 0 |
| 1999 | 8 | 0 |
| 2000 | 17 | 0 |
| 2001 | 27 | 17 |
| 2002 | 27 | 107 |
| 2003 | 53 | 134 |
| 2004 | 72 | 144 |
| 2005 | 68 | 141 |
| 2006 | 61 | 142 |
| 2007 | 64 | 133 |
| 2008 | 63 | 137 |
| 2009 | 81 | 139 |
| 2010 | 124 | 149 |
| 2011 | 102 | 109 |
| 2012 | 98 | 83 |
| 2013 | 85 | 66 |
| 2014 | 76 | 76 |
| 2015 | 70 | 63 |
| 2016 | 59 | 58 |
| 2017 | 55 | 53 |
| 2018 | 46 | 49 |
| 2019 | 36 | 37 |
| 2020 | 41 | 36 |
| 2021 | 29 | 33 |
| 2022 | 22 | 54 |
| 2023 | 41 | 54 |
| 2024 | 36 | 43 |
| 2025 | 33 | 33 |
| 2026 | 16 | 33 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Dehydrogenation method and hydrogen production system using the same8 Sep 2026US 12,729,115 B2Hyundai Motor Company
- Carbon-neutral process for generating electricity28 Jul 2026US 12,695,105 B2Claire Technologies Licensing, LLC
- Use of renewable energy in methanol synthesis14 Jul 2026US 12,678,760 B2Sabic Global Technologies B.V.
- Liquid formulation for hydrogen storage23 Jun 2026US 12,662,374 B2Arkema France
- Hydrogen production system and method23 Jun 2026US 12,665,209 B2HiiROC-X Developments Limited
- System and method for processing natural gas to remove carbon and produce hydrogen17 Sep 2026US 2026/0274660 A1BIA Integrated Solutions, Inc.
- Use of a fuel cell to decarbonize a hydrocarbon cracking system17 Sep 2026US 2026/0279863 A1Chevron Phillips Chemical Company LP
- Production and/or regasification of bio-lng20 Aug 2026US 2026/0242672 A1Iogen Corporation
- Operation management system6 Aug 2026US 2026/0228675 A1Eneos Corporation
- Hydrogen production and off-gas utilisation from a biomass-based synthesis gas30 Jul 2026US 2026/0218072 A1MASH Makes A/S
Most cited
By later US patents
- Steam reformer with internal hydrogen purification533US 5,861,137 A1999
- Microcomponent chemical process sheet architecture299US 5,811,062 ABattelle Memorial Institute · 1998
- 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 electric power production199US 4,522,894 AEngelhard Corporation · 1985