B01D 2253/108
Zeolites
B01D2253/108 (Zeolites) appears on 2,529 US grants and 2,565 published applications in this corpus.
Search patents in B01D- Granted patents
- 2,529
- Published applications
- 2,565
- Assignees
- 1,133
- Inventors
- 5,482
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 13 | 0 |
| 1978 | 6 | 0 |
| 1979 | 9 | 0 |
| 1980 | 8 | 0 |
| 1981 | 7 | 0 |
| 1982 | 9 | 0 |
| 1983 | 10 | 0 |
| 1984 | 20 | 0 |
| 1985 | 15 | 0 |
| 1986 | 15 | 0 |
| 1987 | 21 | 0 |
| 1988 | 24 | 0 |
| 1989 | 27 | 0 |
| 1990 | 20 | 0 |
| 1991 | 14 | 0 |
| 1992 | 40 | 0 |
| 1993 | 29 | 0 |
| 1994 | 21 | 0 |
| 1995 | 21 | 0 |
| 1996 | 30 | 0 |
| 1997 | 30 | 0 |
| 1998 | 42 | 0 |
| 1999 | 68 | 0 |
| 2000 | 65 | 0 |
| 2001 | 64 | 25 |
| 2002 | 72 | 62 |
| 2003 | 81 | 62 |
| 2004 | 50 | 58 |
| 2005 | 39 | 67 |
| 2006 | 36 | 86 |
| 2007 | 39 | 67 |
| 2008 | 46 | 76 |
| 2009 | 40 | 86 |
| 2010 | 72 | 84 |
| 2011 | 53 | 88 |
| 2012 | 68 | 107 |
| 2013 | 88 | 89 |
| 2014 | 78 | 100 |
| 2015 | 81 | 123 |
| 2016 | 89 | 122 |
| 2017 | 98 | 132 |
| 2018 | 103 | 172 |
| 2019 | 125 | 121 |
| 2020 | 124 | 125 |
| 2021 | 84 | 125 |
| 2022 | 85 | 122 |
| 2023 | 109 | 146 |
| 2024 | 96 | 110 |
| 2025 | 95 | 126 |
| 2026 | 41 | 84 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Adsorbent bed with increased hydrothermal stability6 Oct 2026US 12,752,233 B2BASF SE
- Drain discharge structure in compressed pneumatic circuit8 Sep 2026US 12,728,385 B2Fukuhara Co., Ltd.
- Adsorbent material, adsorption system, and adsorption process for hydrogen recovery8 Sep 2026US 12,729,116 B2Air Products and Chemicals, Inc.
- Nanoporous pure silica zeolites25 Aug 2026US 12,714,980 B2University of Puerto Rico
- Adsorbent material, adsorption system, and adsorption process25 Aug 2026US 12,714,985 B2Air Products and Chemicals, Inc.
- Gas separation method, method for producing purified gas, and gas separation apparatus8 Oct 2026US 2026/0306996 A1Asahi Kasei Kabushiki Kaisha
- Exhaust purification device8 Oct 2026US 2026/0307009 A1Mazda Motor Corporation
- Method for purifying bromine gas1 Oct 2026US 2026/0295496 A1Resonac Corporation
- A method of capturing carbon dioxide from atmospheric air1 Oct 2026US 2026/0295497 A1Repsol, S. A.
- Tractor24 Sep 2026US 2026/0286874 A1Kubota Corporation
Most cited
By later US patents
- Abatement of effluent from chemical vapor deposition processes using ligand exchange resistant metal-organic precursor solutions401US 6,500,487 B1Advanced Technology Materials, Inc. · 2002
- Abatement of effluents from chemical vapor deposition processes using organometallic source reagents392US 6,749,671 B2Advanced Technology Materials, Inc. · 2004
- Abatement of effluent from chemical vapor deposition processes using ligand exchange resistant metal-organic precursor solutions386US 6,833,024 B2Adanced Technology Materials, Inc. · 2004
- Portable oxygen concentration system and method of using the same310US 6,651,658 B1SeQual Technologies, Inc. · 2003
- Portable oxygen concentration system and method of using the same223US 6,691,702 B2SeQual Technologies, Inc. · 2004