C01B 2210/0035
Krypton
C01B2210/0035 (Krypton) appears on 16 US grants and 13 published applications in this corpus.
Search patents in C01B- Granted patents
- 16
- Published applications
- 13
- Assignees
- 10
- Inventors
- 44
- Latest grant
- 23 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 2 | 2 |
| 2004 | 1 | 1 |
| 2005 | 0 | 2 |
| 2006 | 0 | 1 |
| 2007 | 2 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 2 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Separation of krypton gas from xenon gas using natural clinoptilolite23 Sep 2025US 12,421,115 B1National Technology & Engineering Solutions of Sandia, LLC
- Method for pretreating and recovering a rare gas from a gas contaminant stream exiting an etch chamber14 Mar 2023US 11,603,313 B2Praxair Technology, Inc.
- Gas purifying process and device3 Dec 2013US 8,597,584 B2Taiyo Nippon Sanso Corporation
- Method for purifying and separating a krypton-xenon mixture by rectification and a device for carrying out said method3 Jan 2012US 8,088,258 B2
- Method and apparatus for pressure swing adsorption2 Nov 2010US 7,824,472 B2Taiyo Nippon Sanso Corporation
- Method for obtaining xenon using a molecular sieve20 Aug 2026US 2026/0242223 A1Linde Aktiengesellschaft
- Novel method for pretreating and recovering a rare gas from a gas contaminant stream exiting an etch chamber15 Jun 2023US 2023/0183068 A1
- Method for pretreating and recovering a rare gas from a gas contaminant stream exiting an etch chamber17 Nov 2022US 2022/0363540 A1Praxair Technology, Inc.
- Method and device for producing a krypton/xenon mixture22 Jan 2015US 2015/0021522 A1
- Gas purifying process and device30 Sep 2010US 2010/0247395 A1Taiyo Nippon Sanso Corporation
Most cited
By later US patents
- Gas supplying method and system54US 7,258,725 B2Taiyo Nippon Sanso Corporation · 2007
- Process for purifying a gas and apparatus for the implementation of such a process32US 5,993,612 AL Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude · 1999
- Process and adsorbent for the recovery of krypton and xenon from a gas or liquid stream16US 6,658,894 B2Air Products and Chemicals, Inc. · 2003
- Gas separating method10US 7,300,497 B2Taiyo Nippon Sanso Corporation · 2007
- Fluid clathrate system for continuous removal of heavy noble gases from mixtures of lighter gases6US 5,743,944 AThe University of Chicago · 1998