C01B 13/0259
By adsorption on solids
Official title: {by adsorption on solids}
C01B13/0259 (By adsorption on solids) appears on 329 US grants and 289 published applications in this corpus.
Search patents in C01B- Granted patents
- 329
- Published applications
- 289
- Assignees
- 203
- Inventors
- 795
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 7 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 11 | 0 |
| 1996 | 12 | 0 |
| 1997 | 4 | 0 |
| 1998 | 7 | 0 |
| 1999 | 16 | 0 |
| 2000 | 11 | 0 |
| 2001 | 7 | 2 |
| 2002 | 5 | 10 |
| 2003 | 12 | 7 |
| 2004 | 2 | 6 |
| 2005 | 4 | 10 |
| 2006 | 8 | 20 |
| 2007 | 8 | 10 |
| 2008 | 8 | 12 |
| 2009 | 11 | 29 |
| 2010 | 16 | 20 |
| 2011 | 9 | 18 |
| 2012 | 13 | 14 |
| 2013 | 9 | 10 |
| 2014 | 10 | 11 |
| 2015 | 16 | 9 |
| 2016 | 8 | 9 |
| 2017 | 11 | 10 |
| 2018 | 9 | 8 |
| 2019 | 12 | 7 |
| 2020 | 10 | 13 |
| 2021 | 6 | 10 |
| 2022 | 8 | 12 |
| 2023 | 9 | 11 |
| 2024 | 4 | 11 |
| 2025 | 5 | 7 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Household oxygen generator19 May 2026US 12,629,628 B2Shenzhen Harveymed Technology Co., LTD.
- Modular pressure-swing adsorption system17 Feb 2026US 12,551,838 B2Generon IGS, Inc.
- Method for mobile pressure swing adsorption oxygen production device30 Dec 2025US 12,508,534 B2Chengdu Yingchen Technology Co., Ltd
- Oxygen gas concentrator with outlet accumulator7 Oct 2025US 12,434,032 B2Inogen, Inc.
- Methods and systems for producing sulfur-containing products13 May 2025US 12,297,106 B2Applied Technology Limited Partnership
- A vessel for a gas treatment unit and associated method16 Jul 2026US 2026/0199817 A1Atlas Copco Airpower, Naamloze Vennootschap
- Oxygen concentrator9 Apr 2026US 2026/0097353 A1Teijin Pharma Limited
- Household oxygen generator12 Feb 2026US 2026/0042051 A1Shenzhen Harveymed Technology Co., LTD.
- Gas concentrator with removable cartridge adsorbent beds25 Dec 2025US 2025/0387583 A1Inogen, Inc.
- Methods and equipment for cryogenic removal of impurities from oxygen gas11 Dec 2025US 2025/0376373 A1Entegris, Inc.
Most cited
By later US patents
- High temperature fuel cell power plant165US 7,097,925 B2QuestAir Technologies Inc. · 2006
- Portable oxygen concentrator151US 6,520,176 B1L 'Air Liquide-Societe 'Anonyme a 'Directoire et Conseil de Surveillance pour l 'Etude et L'Exploitation des Procedes Georges Claude · 2003
- Process for separating components of a gas stream137US 4,701,187 AAir Products and Chemicals, Inc. · 1987
- Life support oxygen concentrator126US 6,514,319 B2QuestAir Technologies Inc. · 2003
- Composite nanoparticle materials and method of making the same118US 7,052,777 B2Nanophase Technologies Corporation · 2006