B01D 2313/203
Open housings
B01D2313/203 (Open housings) appears on 78 US grants and 111 published applications in this corpus.
Search patents in B01D- Granted patents
- 78
- Published applications
- 111
- Assignees
- 62
- Inventors
- 240
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 1 | 1 |
| 2010 | 1 | 2 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 2 |
| 2014 | 2 | 4 |
| 2015 | 3 | 2 |
| 2016 | 1 | 5 |
| 2017 | 3 | 6 |
| 2018 | 2 | 10 |
| 2019 | 6 | 12 |
| 2020 | 11 | 7 |
| 2021 | 8 | 14 |
| 2022 | 7 | 11 |
| 2023 | 10 | 5 |
| 2024 | 3 | 7 |
| 2025 | 8 | 11 |
| 2026 | 6 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Humidifying device having channel plates and channel plate for humidifying device25 Aug 2026US 12,719,067 B2Mann+Hummel GmbH
- Hollow fiber membrane module21 Jul 2026US 12,685,967 B2Nok Corporation
- Apparatus and method for oxygen and carbon dioxide enrichment of atmospheric air16 Jun 2026US 12,654,127 B1Black Swan, LLC
- Stack plate, stack plate device and humidifier16 Jun 2026US 12,658,457 B2Mann+Hummel GmbH
- Filtration device, filtration method and filtration filter14 Apr 2026US 12,599,854 B2Murata Manufacturing Co., Ltd.
- Hollow fiber membrane module8 Oct 2026US 2026/0307014 A1Nok Corporation
- Retention apparatus for membrane chromatography units30 Jul 2026US 2026/0216620 A1Cytiva BioProcess R&D AB
- Membrane block30 Jul 2026US 2026/0221475 A1Mahle International GmbH
- Apparatus and Method for Oxygen and Carbon Dioxide Enrichment of Atmospheric Air18 Jun 2026US 2026/0166477 A1Black Swan, LLC
- Method of manufacturing stack plate of humidifier and stack plate15 Jan 2026US 2026/0014524 A1Mann+Hummel GmbH
Most cited
By later US patents
- Membrane-assisted fluid separation apparatus and method46US 7,459,084 B2Petro Sep International Ltd. · 2008
- Membrane module to remove gaseous substances from a gas stream41US 5,486,475 A1996
- Hollow-fiber filter module32US 4,605,500 AMitsubishi Rayon Co., Ltd. · 1986
- Waved filter media and elements29US 8,257,459 B2Hollingsworth & Vose Company · 2012
- Device for the treatment of blood25US 5,188,801 ACortek, Inc. · 1993