C01B 2203/042
Purification by adsorption on solids
C01B2203/042 (Purification by adsorption on solids) appears on 1,311 US grants and 1,800 published applications in this corpus.
Search patents in C01B- Granted patents
- 1,311
- Published applications
- 1,800
- Assignees
- 597
- Inventors
- 3,060
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 5 | 0 |
| 1983 | 4 | 0 |
| 1984 | 7 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 6 | 0 |
| 1988 | 8 | 0 |
| 1989 | 6 | 0 |
| 1990 | 6 | 0 |
| 1991 | 11 | 0 |
| 1992 | 13 | 0 |
| 1993 | 4 | 0 |
| 1994 | 7 | 0 |
| 1995 | 4 | 0 |
| 1996 | 13 | 0 |
| 1997 | 6 | 0 |
| 1998 | 2 | 0 |
| 1999 | 11 | 0 |
| 2000 | 19 | 0 |
| 2001 | 21 | 3 |
| 2002 | 11 | 27 |
| 2003 | 22 | 30 |
| 2004 | 20 | 40 |
| 2005 | 14 | 59 |
| 2006 | 18 | 47 |
| 2007 | 25 | 61 |
| 2008 | 39 | 66 |
| 2009 | 34 | 75 |
| 2010 | 58 | 85 |
| 2011 | 52 | 81 |
| 2012 | 64 | 70 |
| 2013 | 56 | 69 |
| 2014 | 61 | 74 |
| 2015 | 60 | 67 |
| 2016 | 58 | 64 |
| 2017 | 60 | 68 |
| 2018 | 56 | 63 |
| 2019 | 52 | 56 |
| 2020 | 47 | 59 |
| 2021 | 42 | 72 |
| 2022 | 48 | 95 |
| 2023 | 70 | 129 |
| 2024 | 69 | 146 |
| 2025 | 65 | 122 |
| 2026 | 39 | 72 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and method embodiments for treating produced water using supercritical water desalination coupled with supercritical water oxidation6 Oct 2026US 12,753,101 B1Triad National Security, LLC
- Process and apparatus for cracking ammonia22 Sep 2026US 12,741,867 B2Air Products and Chemicals, Inc.
- Catalyst reactor15 Sep 2026US 12,734,473 B2Taiyuan University of Technology
- Steam methane reforming with process carbon dioxide capture and ammonia firing15 Sep 2026US 12,735,316 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Adsorbent material, adsorption system, and adsorption process for hydrogen recovery8 Sep 2026US 12,729,116 B2Air Products and Chemicals, Inc.
- Process and apparatus for hydrogen production with low carbon dioxide levels8 Oct 2026US 2026/0307989 A1
- Dehumidification apparatus, hydrogen production equipment, and method for operating dehumidification apparatus1 Oct 2026US 2026/0295515 A1Mitsubishi Heavy Industries, Ltd.
- Process for the production of caboxylic acids and carbonyl compounds by utilizing carbon dioxide-rich feedstock1 Oct 2026US 2026/0297010 A1
- Natural gas reforming system and process thereof17 Sep 2026US 2026/0274662 A1Doosan Enerbility Co., Ltd.
- Adsorbent Material, Adsorption System, and Adsorption Process For Hydrogen Recovery17 Sep 2026US 2026/0274664 A1Air Products and Chemicals, Inc.
Most cited
By later US patents
- Catalytic ceramic membrane steam-hydrocarbon reformer269US 5,229,102 AMedalert Corporation · 1993
- Methanol plant retrofit for acetic acid manufacture208US 6,232,352 B1Acetex limited · 2001
- High temperature fuel cell power plant165US 7,097,925 B2QuestAir Technologies Inc. · 2006
- Flow regulated pressure swing adsorption system153US 6,063,161 ASoFinoy Societte Financiere d'Innovation Inc. · 2000
- Method and apparatus for treating a sour gas146US 8,206,669 B2Air Products and Chemicals, Inc. · 2012