C01B 13/0274
Other molecular sieve materials
Official title: {Other molecular sieve materials}
C01B13/0274 (Other molecular sieve materials) appears on 2 US grants and 4 published applications in this corpus.
Search patents in C01B- Granted patents
- 2
- Published applications
- 4
- Assignees
- 3
- Inventors
- 9
- Latest grant
- 16 May 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year.
Recent patents
- Methods and equipment for cryogenic removal of impurities from oxygen gas11 Dec 2025US 2025/0376373 A1Entegris, Inc.
- Portable oxygen concentrator20 Apr 2023US 2023/0120614 A1Anhui Xiaoshan Medical Technology Co., Ltd.
- Oxygen manufacturing device for vehicles24 Oct 2013US 2013/0280139 A1
- Method for operating an air fractionization installation for obtaining oxygen on board an aircraft2 Feb 2006US 2006/0021505 A1DAe Systems GmbH
Most cited
By later US patents