B01D 67/00791
Different components in separate layers
Official title: {Different components in separate layers}
B01D67/00791 (Different components in separate layers) appears on 90 US grants and 149 published applications in this corpus.
Search patents in B01D- Granted patents
- 90
- Published applications
- 149
- Assignees
- 112
- Inventors
- 394
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 2 |
| 2008 | 1 | 3 |
| 2009 | 0 | 4 |
| 2010 | 0 | 9 |
| 2011 | 4 | 2 |
| 2012 | 4 | 8 |
| 2013 | 2 | 4 |
| 2014 | 2 | 6 |
| 2015 | 3 | 9 |
| 2016 | 5 | 5 |
| 2017 | 4 | 11 |
| 2018 | 4 | 7 |
| 2019 | 5 | 13 |
| 2020 | 9 | 14 |
| 2021 | 12 | 12 |
| 2022 | 10 | 8 |
| 2023 | 5 | 10 |
| 2024 | 11 | 12 |
| 2025 | 5 | 6 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Gas separation membranes28 Apr 2026US 12,611,635 B2FUJIFILM Corporation
- Nanopore device and method of manufacturing same5 Aug 2025US 12,379,369 B2Palogen, Inc.
- Gas separation article, a method for producing said gas separation article and use thereof20 May 2025US 12,303,841 B2Condalign AS
- Filter membrane and method for making the same13 May 2025US 12,296,303 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Separation membrane and methods of preparation thereof25 Mar 2025US 12,257,553 B2Aspen Products Group, Inc.
- Reverse electro-osmotic filtration exploiting nanofluidic transport through asymmetric membrane13 Aug 2026US 2026/0233166 A1
- Coating method and resultant ceramic-modified separators26 Mar 2026US 2026/0088449 A1Amtek Research International LLC
- Polyphenol-modified polymeric membrane, preparation method therefor and metallized polymeric membrane18 Dec 2025US 2025/0381529 A1Jiangyin Nanopore Innovative Materials Technology Ltd.
- Filtration system18 Sep 2025US 2025/0288960 A1Ora Graphene Audio Inc.
- Gas Separation Membranes4 Sep 2025US 2025/0276292 A1
Most cited
By later US patents
- Reverse osmosis membranes78US 8,177,978 B2Nanoh20 Inc. · 2012
- Electrostatic air filter74US 7,311,752 B2Argonide Corporation · 2007
- Separation of gases by means of mixed matrix membranes61US 5,127,925 AAllied-Signal Inc. · 1992
- Gas separation membrane with organosilicon-treated molecular sieve57US 6,508,860 B1L 'Air Liquide-Societe 'Anonyme a 'Directoire et Conseil de Surveillance pour l 'Etude et L'Exploitation des Procedes Georges Claude · 2003
- Nanoporous membranes and methods for making the same23US 9,505,192 B2Lockheed Martin Corporation · 2016