C01B 3/505
Membranes containing palladium
C01B3/505 (Membranes containing palladium) appears on 321 US grants and 333 published applications in this corpus.
Search patents in C01B- Granted patents
- 321
- Published applications
- 333
- Assignees
- 203
- Inventors
- 783
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 7 | 0 |
| 1998 | 5 | 0 |
| 1999 | 10 | 0 |
| 2000 | 4 | 0 |
| 2001 | 11 | 2 |
| 2002 | 7 | 11 |
| 2003 | 12 | 14 |
| 2004 | 11 | 14 |
| 2005 | 4 | 19 |
| 2006 | 14 | 24 |
| 2007 | 8 | 31 |
| 2008 | 13 | 24 |
| 2009 | 14 | 23 |
| 2010 | 24 | 30 |
| 2011 | 27 | 15 |
| 2012 | 18 | 13 |
| 2013 | 12 | 19 |
| 2014 | 23 | 6 |
| 2015 | 18 | 15 |
| 2016 | 8 | 11 |
| 2017 | 9 | 6 |
| 2018 | 10 | 6 |
| 2019 | 5 | 5 |
| 2020 | 2 | 4 |
| 2021 | 5 | 7 |
| 2022 | 2 | 3 |
| 2023 | 4 | 3 |
| 2024 | 5 | 12 |
| 2025 | 5 | 13 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Palladium-based membrane25 Aug 2026US 12,715,767 B2National University of Singapore
- Hydrogen separation3 Feb 2026US 12,539,488 B2Saudi Arabian Oil Company
- Generation of ammonia/hydrogen mixtures and/or hydrogen-enriched fuel mixtures20 Jan 2026US 12,528,697 B1Colorado School of Mines
- Hydrogen separation filter30 Dec 2025US 12,508,538 B2Toyota Jidosha Kabushiki Kaisha
- Catalytic methane decomposition and catalyst regeneration, methods and uses thereof26 Aug 2025US 12,398,033 B2Pixel Voltaic Lda
- Multi-stage membrane reactor system for ammonia cracking to produce hydrogen6 Aug 2026US 2026/0225879 A1Saudi Arabian Oil Company
- Multi-stage hydrogen/helium separation using hydrogen-selective membranes11 Jun 2026US 2026/0158436 A1Hydrogen Onsite, S.L.
- Selection method and system for target palladium membrane, execution method and system for hydrogen-related reaction, and determination method and system for permeation rate22 Jan 2026US 2026/0021453 A1China Petroleum & Chemical Corporation
- Systems and methods for membrane enhanced steam reforming with carbon dioxide utilization11 Dec 2025US 2025/0376439 A1Saudi Arabian Oil Company
- Steam sulfurous material reforming and thermochemical cycles related thereto16 Oct 2025US 2025/0320118 A1Peregrine Hydrogen Inc.
Most cited
By later US patents
- Steam reformer with internal hydrogen purification533US 5,861,137 A1999
- Hydrogen gas-extraction module and method of fabrication341US 6,152,987 AWorcester Polytechnic Institute · 2000
- 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
- Composite hydrogen separation element and module185US 5,498,278 ABend Research, Inc. · 1996