C01B 2203/0425
In-situ adsorption process during hydrogen production
C01B2203/0425 (In-situ adsorption process during hydrogen production) appears on 118 US grants and 170 published applications in this corpus.
Search patents in C01B- Granted patents
- 118
- Published applications
- 170
- Assignees
- 96
- Inventors
- 337
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 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 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 3 |
| 2003 | 3 | 9 |
| 2004 | 4 | 14 |
| 2005 | 4 | 14 |
| 2006 | 1 | 5 |
| 2007 | 8 | 8 |
| 2008 | 5 | 9 |
| 2009 | 5 | 6 |
| 2010 | 5 | 8 |
| 2011 | 7 | 1 |
| 2012 | 5 | 4 |
| 2013 | 2 | 4 |
| 2014 | 2 | 3 |
| 2015 | 7 | 10 |
| 2016 | 6 | 2 |
| 2017 | 2 | 4 |
| 2018 | 5 | 4 |
| 2019 | 3 | 6 |
| 2020 | 4 | 4 |
| 2021 | 5 | 9 |
| 2022 | 2 | 5 |
| 2023 | 8 | 11 |
| 2024 | 9 | 15 |
| 2025 | 6 | 9 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hydrogen production system and method23 Jun 2026US 12,665,209 B2HiiROC-X Developments Limited
- Hydrogen production process and plant24 Mar 2026US 12,583,746 B2Wood Italiana S.R.L.
- Systems and methods to produce hydrogen gas from hydrogen sulfide24 Feb 2026US 12,559,365 B2Saudi Arabian Oil Company
- Cyclic method of producing a hydrogen rich stream and/or a carbon monoxide rich stream23 Sep 2025US 12,421,110 B2Universiteit Gent
- Methods and apparatuses for hydrogen production15 Jul 2025US 12,358,793 B28 Rivers Capital, LLC
- Systems and methods to produce hydrogen gas from hydrogen sulfide18 Jun 2026US 2026/0167485 A1Saudi Arabian Oil Company
- Hybrid membrane pressure swing adsorption process for separation of cracked gases from a methane pyrolysis reaction30 Apr 2026US 2026/0115653 A1
- Ammonia cracking via in-situ nitrogen separation15 Jan 2026US 2026/0015227 A1Saudi Arabian Oil Company
- Hydrogen production system4 Dec 2025US 2025/0368506 A1Zeg Power AS
- Method of preparing hydrogen and liquid fuel from a plastic feedstock6 Nov 2025US 2025/0340784 A1Quantafuel Asa
Most cited
By later US patents
- Hydrogen and carbon dioxide coproduction88US 6,500,241 B2Fluor Corporation · 2002
- Integration of hydrogen and power generation using pressure swing reforming83US 7,815,892 B2ExxonMobil Research and Engineering Company · 2010
- Hydrogen manufacture using pressure swing reforming79US 7,914,764 B2ExxonMobil Research and Engineering Company · 2011
- Pressure swing reforming for fuel cell systems77US 7,217,303 B2ExxonMobil Research and Engineering Company · 2007
- Conversion of static sour natural gas to fuels and chemicals75US 6,797,253 B2General Electric Company · 2004