C01B 13/0251
By making use of membranes
Official title: {by making use of membranes}
C01B13/0251 (By making use of membranes) appears on 525 US grants and 413 published applications in this corpus.
Search patents in C01B- Granted patents
- 525
- Published applications
- 413
- Assignees
- 246
- Inventors
- 1,009
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 8 | 0 |
| 1987 | 6 | 0 |
| 1988 | 8 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 7 | 0 |
| 1992 | 9 | 0 |
| 1993 | 7 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 9 | 0 |
| 1997 | 15 | 0 |
| 1998 | 18 | 0 |
| 1999 | 24 | 0 |
| 2000 | 27 | 0 |
| 2001 | 18 | 8 |
| 2002 | 27 | 16 |
| 2003 | 19 | 16 |
| 2004 | 14 | 15 |
| 2005 | 6 | 27 |
| 2006 | 11 | 22 |
| 2007 | 12 | 30 |
| 2008 | 22 | 22 |
| 2009 | 13 | 19 |
| 2010 | 16 | 22 |
| 2011 | 18 | 32 |
| 2012 | 19 | 19 |
| 2013 | 25 | 31 |
| 2014 | 24 | 27 |
| 2015 | 22 | 18 |
| 2016 | 17 | 17 |
| 2017 | 16 | 15 |
| 2018 | 14 | 10 |
| 2019 | 10 | 10 |
| 2020 | 15 | 13 |
| 2021 | 8 | 4 |
| 2022 | 5 | 10 |
| 2023 | 3 | 4 |
| 2024 | 1 | 3 |
| 2025 | 4 | 0 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Oxygen transport membrane reactors for decarbonization25 Aug 2026US 12,715,765 B2Praxair Technology, Inc.
- Systems and methods for oxygen concentration with electrochemical stacks in series gas flow30 Dec 2025US 12,508,541 B2United States of America as represented by the Administrator of NASA
- Method for separating gases in an oxy-fuel combustion process by using oxygen-permeable membranes23 Dec 2025US 12,502,639 B2Kerionics, S.L.
- Oxygen transport reactors for co-generating ammonia and power29 Jul 2025US 12,370,522 B2King Abdullah City for Atomic & Renewable Energy (K.A. Care)
- Gas generator20 May 2025US 12,304,810 B2Sensirion AG
- Oxygen concentrator assembled with quick-detach molecular sieve10 Sep 2026US 2026/0263997 A1
- Separation membrane, separation membrane layered body, separation module or separation tower, hydrogen recovery system, and hydrogen separation and recovery method30 Apr 2026US 2026/0115671 A1Japan Technological Research Association of Artificial Photosynthetic Chemical Process
- Reactor System and Method of Operating16 Apr 2026US 2026/0102754 A1Aerospace Carbon Solutions LLC
- Ethylene production apparatus and ethylene production method29 Aug 2024US 2024/0286976 A1Niterra Co., Ltd.
- Method and equipment for producing hydrogen-enriched gas4 Jul 2024US 2024/0217818 A1Inpex Corporation
Most cited
By later US patents
- Solid multi-component membranes, electrochemical reactor components, electrochemical reactors and use of membranes, reactor components, and reactor for oxidation reactions202US 5,306,411 AThe Standard Oil Company · 1994
- Synthesis gas production by mixed conducting membranes with integrated conversion into liquid products162US 6,114,400 AAir Products and Chemicals, Inc. · 2000
- Process for separating components of a gas stream137US 4,701,187 AAir Products and Chemicals, Inc. · 1987
- Chemical reactor and method for gas phase reactant catalytic reactions131US 6,488,838 B1Battelle Memorial Institute · 2002
- Utilization of synthesis gas produced by mixed conducting membranes127US 6,110,979 AAir Products and Chemicals, Inc. · 2000