C01B 2203/1657
The product being hydrogen
Official title: the product being hydrogen
C01B2203/1657 (The product being hydrogen) appears on 41 US grants and 49 published applications in this corpus.
Search patents in C01B- Granted patents
- 41
- Published applications
- 49
- Assignees
- 27
- Inventors
- 94
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 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 | 0 | 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 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 5 |
| 2003 | 3 | 5 |
| 2004 | 5 | 3 |
| 2005 | 2 | 2 |
| 2006 | 4 | 4 |
| 2007 | 2 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 4 |
| 2010 | 3 | 0 |
| 2011 | 1 | 1 |
| 2012 | 3 | 2 |
| 2013 | 0 | 1 |
| 2014 | 2 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 2 |
| 2022 | 0 | 3 |
| 2023 | 1 | 1 |
| 2024 | 2 | 4 |
| 2025 | 2 | 3 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fuel production system7 Jul 2026US 12,674,105 B2Honda Motor Co., Ltd.
- Operation method for hydrogen production device, and hydrogen production device17 Jun 2025US 12,330,941 B2Osaka Gas Co., Ltd.
- Feed gas reforming system and method of controlling the same14 Jan 2025US 12,195,335 B2Hyundai Motor Company
- Methods of producing hydrogen and nitrogen using a feedstock gas reactor3 Dec 2024US 12,157,669 B2Ekona Power Inc.
- Hydrogen reactor29 Oct 2024US 12,129,172 B2Massachusetts Institute of Technology
- System and method for processing natural gas to remove carbon and produce hydrogen17 Sep 2026US 2026/0274660 A1BIA Integrated Solutions, Inc.
- Dehydrogenation reaction system and control method thereof18 Jun 2026US 2026/0167488 A1Hyundai Motor Company
- Hydrogen generating device12 Mar 2026US 2026/0070784 A1Toyota Jidosha Kabushiki Kaisha
- Process and device for generating hydrogen from a hydrocarbon using a multi-phase metal catalyst9 Oct 2025US 2025/0313460 A1Ramot at Tel-Aviv University Ltd.
- Fuel production system3 Apr 2025US 2025/0109345 A1Honda Motor Co., Ltd.
Most cited
By later US patents
- Hydrogen producing fuel processing system236US 6,221,117 B1IdaTech, LLC · 2001
- Integrated fuel cell system112US 6,376,113 B1IdaTech, LLC · 2002
- In situ hydrogenation of hydrocarbons in underground formations100US 3,982,592 AWorld Energy Systems Incorporated · 1976
- Hydrogen purification membranes, components and fuel processing systems containing the same86US 6,537,352 B2IdaTech, LLC · 2003
- Hydrogen purification membranes, components and fuel processing systems containing the same63US 6,723,156 B2IdaTech, LLC · 2004