B01D 2253/116
Molecular sieves other than zeolites
B01D2253/116 (Molecular sieves other than zeolites) appears on 435 US grants and 412 published applications in this corpus.
Search patents in B01D- Granted patents
- 435
- Published applications
- 412
- Assignees
- 286
- Inventors
- 1,079
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 7 | 0 |
| 1984 | 6 | 0 |
| 1985 | 5 | 0 |
| 1986 | 7 | 0 |
| 1987 | 7 | 0 |
| 1988 | 7 | 0 |
| 1989 | 7 | 0 |
| 1990 | 9 | 0 |
| 1991 | 2 | 0 |
| 1992 | 7 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 7 | 0 |
| 1998 | 15 | 0 |
| 1999 | 10 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 1 |
| 2002 | 3 | 3 |
| 2003 | 3 | 2 |
| 2004 | 6 | 2 |
| 2005 | 1 | 1 |
| 2006 | 1 | 5 |
| 2007 | 0 | 5 |
| 2008 | 5 | 1 |
| 2009 | 1 | 8 |
| 2010 | 2 | 3 |
| 2011 | 2 | 11 |
| 2012 | 2 | 24 |
| 2013 | 7 | 15 |
| 2014 | 17 | 13 |
| 2015 | 16 | 36 |
| 2016 | 18 | 29 |
| 2017 | 21 | 30 |
| 2018 | 37 | 32 |
| 2019 | 31 | 31 |
| 2020 | 23 | 28 |
| 2021 | 25 | 33 |
| 2022 | 24 | 23 |
| 2023 | 20 | 17 |
| 2024 | 11 | 18 |
| 2025 | 15 | 26 |
| 2026 | 11 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Analysis system and method for impurity components in perfluoropropane22 Sep 2026US 12,742,752 B2Lansis Instrument (Shanghai) Co., Ltd
- Methane mitigation system with use of waste heat for power generation25 Aug 2026US 12,714,971 B2Enhanced Energy Group LLC
- Method for preparing hydrogen from ammonia by using pressure swing adsorption18 Aug 2026US 12,708,871 B2Posco
- Method and apparatus for analyzing a separator and plant for treating incoherent plastics21 Jul 2026US 12,686,153 B2Piovan S.P.A.
- Treatment of compressed gaseous hydrogen7 Jul 2026US 12,673,289 B2Bauer Kompressoren GmbH
- Use of closed or semi-closed loop regeneration of molecular sieve in dehydration driers using nitrogen or process gases in alcohol to olefins processes1 Oct 2026US 2026/0295506 A1Uop LLC
- Dehydration device and assembly, and method for obtaining such an assembly27 Aug 2026US 2026/0251392 A1Lgd
- Tail gas treatment by two stage adsorption with intermediate cooling30 Jul 2026US 2026/0216647 A1Saudi Arabian Oil Company
- System and method for recoverying residual pressure and heat by coupling direct air capture with compressed air energy storage30 Jul 2026US 2026/0216651 A1Zhejiang University
- Analysis system and method for impurity components in perfluoropropane23 Jul 2026US 2026/0210916 A1Lansis Instrument (Shanghai) Co., Ltd
Most cited
By later US patents
- Self-adhesive vent filter and adsorbent assembly with a diffusion tube156US 5,417,743 AW. L. Gore & Associates, Inc. · 1995
- Process for separating components of a gas stream137US 4,701,187 AAir Products and Chemicals, Inc. · 1987
- Methods and apparatus to generate liquid ambulatory oxygen from an oxygen concentrator136US 5,979,440 ASeQual Technologies, Inc. · 1999
- Methods and apparatus to generate liquid ambulatory oxygen from an oxygen concentrator133US 6,698,423 B1SeQual Technologies, Inc. · 2004
- Extraction and concentration of a gas component117US 5,082,473 A1992