C01B 2210/0034
Argon
C01B2210/0034 (Argon) appears on 42 US grants and 44 published applications in this corpus.
Search patents in C01B- Granted patents
- 42
- Published applications
- 44
- Assignees
- 26
- Inventors
- 140
- Latest grant
- 21 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 4 |
| 2003 | 3 | 2 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 2 | 3 |
| 2009 | 2 | 3 |
| 2010 | 1 | 3 |
| 2011 | 1 | 0 |
| 2012 | 1 | 3 |
| 2013 | 1 | 2 |
| 2014 | 1 | 4 |
| 2015 | 5 | 2 |
| 2016 | 1 | 3 |
| 2017 | 5 | 3 |
| 2018 | 2 | 2 |
| 2019 | 2 | 2 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Gas recovery method21 Jan 2025US 12,201,936 B2Gas Recovery and Recycle Limited
- Method and apparatus for adsorptive distillation for cryogenic argon/oxygen separation30 Jan 2024US 11,885,562 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Method for refining argon gas and recovering and refining apparatus for argon gas19 Apr 2022US 11,305,994 B2Shin-Etsu Handotai Co., Ltd.
- Process for argon and nitrogen production31 Aug 2021US 11,104,576 B2Casale SA
- RHO adsorbent compositions, methods of making and using them12 May 2020US 10,646,848 B2Air Products and Chemicals, Inc.
- Kiln exhaust gas regeneration apparatus and system, and kiln system16 Jul 2026US 2026/0199824 A1TDK Corporation
- System and method for optimizing production of argon in a cryogenic air separation unit5 Feb 2026US 2026/0035246 A1
- Gas recovery method20 Jan 2022US 2022/0016568 A1Gas Recovery and Recycle Limited
- Method and apparatus for adsorptive distillation for cryogenic argon/oxygen separation9 Sep 2021US 2021/0278131 A1L' Air Liquide, Societe Anonyme pour I' Etude et I'Exploitation des Procedes Georges Claude
- Process for argon and nitrogen production28 May 2020US 2020/0165131 A1Casale SA
Most cited
By later US patents
- Removal of gaseous contaminants from argon45US 7,862,645 B2Air Products and Chemicals, Inc. · 2011
- Process for purification of argon from oxygen35US 3,996,028 A1976
- Process for purifying inert fluids by adsorption on LSX zeolite30US 6,083,301 AL Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude · 2000
- Process for argon purification25US 6,113,869 AThe BOC Group, Inc. · 2000
- Method for purifying semiconductor gases25US 6,576,138 B2Praxair Technology, Inc. · 2003