C01B 13/0255
Characterised by the type of membrane
Official title: {characterised by the type of membrane}
C01B13/0255 (Characterised by the type of membrane) appears on 269 US grants and 190 published applications in this corpus.
Search patents in C01B- Granted patents
- 269
- Published applications
- 190
- Assignees
- 148
- Inventors
- 599
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 7 | 0 |
| 1987 | 4 | 0 |
| 1988 | 6 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 6 | 0 |
| 1993 | 6 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 10 | 0 |
| 1998 | 11 | 0 |
| 1999 | 10 | 0 |
| 2000 | 13 | 0 |
| 2001 | 11 | 4 |
| 2002 | 15 | 7 |
| 2003 | 12 | 8 |
| 2004 | 6 | 8 |
| 2005 | 2 | 19 |
| 2006 | 8 | 14 |
| 2007 | 7 | 14 |
| 2008 | 12 | 13 |
| 2009 | 8 | 8 |
| 2010 | 7 | 10 |
| 2011 | 9 | 13 |
| 2012 | 7 | 9 |
| 2013 | 9 | 17 |
| 2014 | 12 | 8 |
| 2015 | 11 | 9 |
| 2016 | 8 | 8 |
| 2017 | 7 | 8 |
| 2018 | 3 | 0 |
| 2019 | 6 | 3 |
| 2020 | 2 | 1 |
| 2021 | 2 | 1 |
| 2022 | 0 | 3 |
| 2023 | 1 | 1 |
| 2024 | 0 | 2 |
| 2025 | 3 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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.
- Gas generator20 May 2025US 12,304,810 B2Sensirion AG
- Internal combustion engine and operating method of same14 Mar 2023US 11,603,810 B2Consejo Superior De Investigaciones Cientificas (Csic)
- OTM syngas panel with gas heated reformer5 Oct 2021US 11,136,238 B2Praxair Technology, Inc.
- 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.
- Device and Process for Splitting Water into Hydrogen and Oxygen by Thermolysis14 Mar 2024US 2024/0083745 A1
- Systems and Methods for Oxygen Concentration with Electrochemical Stacks in Series Gas Flow29 Jun 2023US 2023/0201763 A1United States of America as represented by the Administrator of NASA
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
- Composite mixed conductor membranes for producing oxygen121US 5,240,480 AAir Products and Chemicals, Inc. · 1993
- Two component-three dimensional catalysis105US 6,355,093 B1Eltron Research, Inc. · 2002
- Solid multi-component membranes, electrochemical reactor components, electrochemical reactors and use of membranes, reactor components, and reactor for oxidation reactions99US 5,744,015 A1998
- Cross-flow electrochemical reactor cells, cross-flow reactors, and use of cross-flow reactors for oxidation reactions92US 5,356,728 AAmoco Corporation · 1994