B01D 2313/201
Closed housing, vessels or containers
B01D2313/201 (Closed housing, vessels or containers) appears on 192 US grants and 254 published applications in this corpus.
Search patents in B01D- Granted patents
- 192
- Published applications
- 254
- Assignees
- 177
- Inventors
- 521
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 2 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 5 |
| 2006 | 0 | 3 |
| 2007 | 1 | 4 |
| 2008 | 4 | 4 |
| 2009 | 3 | 4 |
| 2010 | 4 | 3 |
| 2011 | 3 | 9 |
| 2012 | 2 | 9 |
| 2013 | 3 | 13 |
| 2014 | 8 | 16 |
| 2015 | 8 | 19 |
| 2016 | 10 | 11 |
| 2017 | 12 | 19 |
| 2018 | 15 | 15 |
| 2019 | 12 | 19 |
| 2020 | 9 | 12 |
| 2021 | 13 | 18 |
| 2022 | 12 | 21 |
| 2023 | 8 | 11 |
| 2024 | 12 | 16 |
| 2025 | 19 | 13 |
| 2026 | 7 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fuel cell membrane humidifier15 Sep 2026US 12,738,511 B2Kolon Industries, Inc.
- Stackable and adjustable membrane module18 Aug 2026US 12,708,877 B2Ultressa LLC
- Cartridge for fuel cell humidifier, and fuel cell humidifier19 May 2026US 12,633,551 B2Kolon Industries, Inc.
- Filtration units and assembly, and methods of making and using same5 May 2026US 12,616,937 B2Repligen Corporation
- Humidifier28 Apr 2026US 12,611,632 B2Joma-Polytec GmbH
- A filtration module and a method of installing a filtration module24 Sep 2026US 2026/0284599 A1Alfa Laval Corporate AB
- Oscillating ECMO Oxygenator23 Jul 2026US 2026/0207833 A1Breethe, Inc.
- Continuous tangential flow filtration system2 Jul 2026US 2026/0183714 A1Eli Lilly and Company
- Filter device, filter fixing tool, and filtering method5 Feb 2026US 2026/0034515 A1Hitachi High-Tech Corporation
- Microfiltration container29 Jan 2026US 2026/0027521 A1
Most cited
By later US patents
- Replacement filter cartridge for water filtering system82US 6,325,929 B1Cuno Incorporated · 2001
- Multiple blood path membrane oxygenator54US 5,316,724 ABaxter International Inc. · 1994
- Ocean depth reverse osmosis fresh water factory49US 5,229,005 A1993
- Hollow filament separatory module and method of fabrication44US 4,207,192 AAlbany International Corp. · 1980
- Water purification system44US 4,711,723 ANimbus Water Systems, Inc. · 1987