B01D 69/10
Supported membranes
Official title: Supported membranes; Membrane supports
B01D69/10 (Supported membranes) appears on 1,650 US grants and 2,317 published applications in this corpus.
Search patents in B01D- Granted patents
- 1,650
- Published applications
- 2,317
- Assignees
- 1,042
- Inventors
- 4,971
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 5 | 0 |
| 1978 | 8 | 0 |
| 1979 | 3 | 0 |
| 1980 | 9 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 5 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 10 | 0 |
| 1988 | 12 | 0 |
| 1989 | 14 | 0 |
| 1990 | 15 | 0 |
| 1991 | 8 | 0 |
| 1992 | 14 | 0 |
| 1993 | 14 | 0 |
| 1994 | 6 | 0 |
| 1995 | 14 | 0 |
| 1996 | 8 | 0 |
| 1997 | 10 | 0 |
| 1998 | 11 | 0 |
| 1999 | 13 | 0 |
| 2000 | 17 | 0 |
| 2001 | 14 | 5 |
| 2002 | 18 | 28 |
| 2003 | 18 | 39 |
| 2004 | 23 | 42 |
| 2005 | 23 | 57 |
| 2006 | 25 | 43 |
| 2007 | 27 | 43 |
| 2008 | 24 | 57 |
| 2009 | 21 | 48 |
| 2010 | 34 | 67 |
| 2011 | 35 | 67 |
| 2012 | 54 | 83 |
| 2013 | 50 | 87 |
| 2014 | 42 | 79 |
| 2015 | 62 | 113 |
| 2016 | 50 | 96 |
| 2017 | 77 | 105 |
| 2018 | 67 | 117 |
| 2019 | 86 | 143 |
| 2020 | 110 | 184 |
| 2021 | 113 | 150 |
| 2022 | 117 | 147 |
| 2023 | 80 | 151 |
| 2024 | 101 | 140 |
| 2025 | 96 | 123 |
| 2026 | 66 | 103 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Membranes with controlled porosity for serial filtration8 Sep 2026US 12,728,389 B2Gradiant Corporation
- Zeolite membrane complex, method of producing zeolite membrane complex, separator, membrane reactor, and separation method8 Sep 2026US 12,728,392 B2NGK Insulators, Ltd.
- Gas separation membrane8 Sep 2026US 12,728,393 B2Seiko Epson Corporation
- Cation exchange membrane and method for producing same1 Sep 2026US 12,722,125 B2Astom Corporation
- Palladium-based membrane25 Aug 2026US 12,715,767 B2National University of Singapore
- Membrane Supporting Structures8 Oct 2026US 2026/0307017 A1Memzyme, LLC
- Conductive forward osmosis membrane and preparation method thereof8 Oct 2026US 2026/0307018 A1Beijing Baoshengtong International Electrical Engineering Technology Co., Ltd.
- Hollow fiber membranes comprising a poly(aryl ether sulfone) and a water-soluble polymer additive1 Oct 2026US 2026/0295540 A1BASF SE
- Composite separator for gas separation24 Sep 2026US 2026/0284586 A1SK ie technology Co., Ltd.
- Porous membrane, filter member, and member supply assembly24 Sep 2026US 2026/0284605 A1Nitto Denko Corporation
Most cited
By later US patents
- Hydrogen gas-extraction module and method of fabrication341US 6,152,987 AWorcester Polytechnic Institute · 2000
- Steam reformer with internal hydrogen purification269US 5,997,594 ANorthwest Power Systems, LLC · 1999
- Membrane filter and a method of manufacturing the same as well as a membrane218US 5,753,014 A1998
- Method of fabricating a membrane having a tapered pore148US 8,137,569 B2Oxford Nanopore Technologies PLC · 2012
- Coated products and methods for making140US 5,026,591 AW. L. Gore & Associates, Inc. · 1991