B01D 2325/027
Nonporous membranes
B01D2325/027 (Nonporous membranes) appears on 26 US grants and 33 published applications in this corpus.
Search patents in B01D- Granted patents
- 26
- Published applications
- 33
- Assignees
- 36
- Inventors
- 89
- Latest grant
- 28 Jul 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 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 6 |
| 2011 | 0 | 0 |
| 2012 | 3 | 1 |
| 2013 | 2 | 2 |
| 2014 | 0 | 0 |
| 2015 | 2 | 3 |
| 2016 | 1 | 2 |
| 2017 | 3 | 2 |
| 2018 | 1 | 1 |
| 2019 | 3 | 2 |
| 2020 | 1 | 1 |
| 2021 | 0 | 2 |
| 2022 | 0 | 3 |
| 2023 | 1 | 1 |
| 2024 | 2 | 2 |
| 2025 | 0 | 4 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for producing a gas separation membrane28 Jul 2026US 12,691,417 B2Kerionics, S.L.
- Method for converting osmotic energy into hydraulic energy and for desalination14 Jul 2026US 12,678,737 B2Centre National De La Recherche Scientifique
- Device and method for isolating extracellular vesicles from biofluids16 Apr 2024US 11,959,841 B2University of Rochester
- Asymmetric hollow fiber membranes and methods of making and using the same30 Jan 2024US 11,883,777 B23M Innovative Properties Company
- Self-coiling hollow fibre membrane7 Mar 2023US 11,596,903 B2Oxymem Limited
- Polymer composite thin film, gas separation body provided with polymer composite thin film, gas separation device provided with polymer composite thin film, and manufacturing method for polymer composite thin film30 Jul 2026US 2026/0216663 A1NanoMembrane Technologies, Inc.
- Humidification element and humidifier23 Oct 2025US 2025/0327588 A1Daicel Corporation
- Humidification laminate and humidifier16 Oct 2025US 2025/0319442 A1Daicel Corporation
- Layered body for humdification and humidifier11 Sep 2025US 2025/0283616 A1Daicel Corporation
- Laminate for humidification, and humidifier4 Sep 2025US 2025/0277594 A1Daicel Corporation
Most cited
By later US patents
- Composite metal membrane for hydrogen extraction103US 5,215,729 A1993
- Inorganic anisotropic hollow fibers73US 4,175,153 AMonsanto Company · 1979
- Metal/ceramic composites with high hydrogen permeability25US 6,569,226 B1The United States of America as represented by the United States Department of Energy · 2003
- Thermally tolerant multilayer metal membrane23US 6,214,090 B1The Regents of the University of California · 2001
- Method of making membrane-type filter and product thereof17US 4,964,992 A1990