B01J 8/009
Membranes
Official title: {Membranes, e.g. feeding or removing reactants or products to or from the catalyst bed through a membrane}
B01J8/009 (Membranes) appears on 347 US grants and 319 published applications in this corpus.
Search patents in B01J- Granted patents
- 347
- Published applications
- 319
- Assignees
- 205
- Inventors
- 783
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 8 | 0 |
| 1998 | 6 | 0 |
| 1999 | 13 | 0 |
| 2000 | 15 | 0 |
| 2001 | 22 | 5 |
| 2002 | 13 | 16 |
| 2003 | 13 | 26 |
| 2004 | 14 | 15 |
| 2005 | 7 | 20 |
| 2006 | 10 | 16 |
| 2007 | 24 | 18 |
| 2008 | 11 | 11 |
| 2009 | 10 | 9 |
| 2010 | 9 | 19 |
| 2011 | 10 | 15 |
| 2012 | 10 | 13 |
| 2013 | 11 | 12 |
| 2014 | 13 | 9 |
| 2015 | 9 | 18 |
| 2016 | 15 | 5 |
| 2017 | 7 | 10 |
| 2018 | 11 | 6 |
| 2019 | 12 | 15 |
| 2020 | 9 | 12 |
| 2021 | 11 | 10 |
| 2022 | 10 | 9 |
| 2023 | 7 | 8 |
| 2024 | 5 | 16 |
| 2025 | 3 | 4 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ethane activation systems including a composite media and related reactor apparatuses22 Sep 2026US 12,741,274 B2Battelle Energy Alliance, LLC
- Adiabatic multi-stage reactors for hydrogen production and related systems and methods4 Aug 2026US 12,698,204 B2Saudi Arabian Oil Company
- Generation of ammonia/hydrogen mixtures and/or hydrogen-enriched fuel mixtures20 Jan 2026US 12,528,697 B1Colorado School of Mines
- Conversion of ammonia to hydrogen and nitrogen using ammonia as a sweep gas9 Dec 2025US 12,492,121 B2Saudi Arabian Oil Company
- Ammonia decomposition catalyst systems13 May 2025US 12,297,108 B2University of South Carolina
- Process for producing activated carbon, activated carbon and use thereof18 Jun 2026US 2026/0166508 A1Fornax Holding GmbH
- Conversion of ammonia to hydrogen and nitrogen using ammonia as a sweep gas12 Mar 2026US 2026/0070783 A1Saudi Arabian Oil Company
- Improved horizontal radial flow reactor3 Jul 2025US 2025/0214051 A1Casale SA
- Fixed-bed tubular reactor with offset collection and distribution openings17 Apr 2025US 2025/0121341 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Generation of ammonia/hydrogen mixtures and/or hydrogen-enriched fuel mixtures27 Mar 2025US 2025/0101327 A1Colorado School of Mines
Most cited
By later US patents
- Steam reformer with internal hydrogen purification533US 5,861,137 A1999
- Electrochemical production of ozone and hydrogen peroxide465US 5,972,196 ALynntech, Inc. · 1999
- Catalytic ceramic membrane steam-hydrocarbon reformer269US 5,229,102 AMedalert Corporation · 1993
- 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