B01J 19/2475
Membrane reactors
Official title: {Membrane reactors}
B01J19/2475 (Membrane reactors) appears on 494 US grants and 423 published applications in this corpus.
Search patents in B01J- Granted patents
- 494
- Published applications
- 423
- Assignees
- 316
- Inventors
- 1,169
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 5 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 7 | 0 |
| 1992 | 5 | 0 |
| 1993 | 16 | 0 |
| 1994 | 14 | 0 |
| 1995 | 6 | 0 |
| 1996 | 10 | 0 |
| 1997 | 14 | 0 |
| 1998 | 14 | 0 |
| 1999 | 16 | 0 |
| 2000 | 19 | 0 |
| 2001 | 26 | 7 |
| 2002 | 22 | 19 |
| 2003 | 12 | 19 |
| 2004 | 9 | 29 |
| 2005 | 10 | 19 |
| 2006 | 14 | 19 |
| 2007 | 17 | 28 |
| 2008 | 13 | 20 |
| 2009 | 12 | 8 |
| 2010 | 7 | 12 |
| 2011 | 14 | 14 |
| 2012 | 13 | 12 |
| 2013 | 13 | 19 |
| 2014 | 14 | 21 |
| 2015 | 16 | 19 |
| 2016 | 20 | 20 |
| 2017 | 15 | 15 |
| 2018 | 16 | 13 |
| 2019 | 13 | 8 |
| 2020 | 12 | 11 |
| 2021 | 10 | 13 |
| 2022 | 11 | 15 |
| 2023 | 8 | 17 |
| 2024 | 11 | 24 |
| 2025 | 10 | 11 |
| 2026 | 8 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ruthenium promoter catalyst compositions15 Sep 2026US 12,735,324 B2Commonwealth Scientific and Industrial Research Organisation
- Zeolite membrane complex, method of producing zeolite membrane complex, separator, membrane reactor, and separation method8 Sep 2026US 12,728,392 B2NGK Insulators, Ltd.
- Palladium-based membrane25 Aug 2026US 12,715,767 B2National University of Singapore
- Gas micro reactor utilizing membrane packaging21 Apr 2026US 12,605,689 B2Selective Micro Technologies, LLC
- Biomethanol production system and method3 Mar 2026US 12,565,462 B2Union Engineering A/S
- Carbon molecular membrane reactor systems, and methods for fabrication and use thereof3 Sep 2026US 2026/0257193 A1University of Maryland, College Park
- Continuous flow photocatalytic reactor and photochemical continuous conversion method of gas20 Aug 2026US 2026/0241362 A1
- Apparatus and method for preparing a defined monomer sequence polymer13 Aug 2026US 2026/0233186 A1
- Gas micro reactor utilizing membrane packaging13 Aug 2026US 2026/0233188 A1Selective Micro Technologies, LLC
- Multi-stage membrane reactor system for ammonia cracking to produce hydrogen6 Aug 2026US 2026/0225879 A1Saudi Arabian Oil Company
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
- Method for simultaneous recovery of hydrogen from water and from hydrocarbons351US 5,525,322 AThe Regents of the University of California · 1996
- 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