B01D 67/0023
By inducing porosity into non porous precursor membranes
Official title: {by inducing porosity into non porous precursor membranes}
B01D67/0023 (By inducing porosity into non porous precursor membranes) appears on 778 US grants and 844 published applications in this corpus.
Search patents in B01D- Granted patents
- 778
- Published applications
- 844
- Assignees
- 474
- Inventors
- 2,133
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 5 | 0 |
| 1978 | 7 | 0 |
| 1979 | 1 | 0 |
| 1980 | 6 | 0 |
| 1981 | 5 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 7 | 0 |
| 1987 | 10 | 0 |
| 1988 | 8 | 0 |
| 1989 | 17 | 0 |
| 1990 | 19 | 0 |
| 1991 | 14 | 0 |
| 1992 | 10 | 0 |
| 1993 | 18 | 0 |
| 1994 | 15 | 0 |
| 1995 | 10 | 0 |
| 1996 | 9 | 0 |
| 1997 | 13 | 0 |
| 1998 | 22 | 0 |
| 1999 | 17 | 0 |
| 2000 | 14 | 0 |
| 2001 | 15 | 3 |
| 2002 | 9 | 14 |
| 2003 | 12 | 34 |
| 2004 | 14 | 19 |
| 2005 | 13 | 30 |
| 2006 | 16 | 27 |
| 2007 | 18 | 29 |
| 2008 | 18 | 36 |
| 2009 | 12 | 48 |
| 2010 | 24 | 29 |
| 2011 | 19 | 26 |
| 2012 | 18 | 27 |
| 2013 | 16 | 43 |
| 2014 | 27 | 48 |
| 2015 | 21 | 47 |
| 2016 | 29 | 42 |
| 2017 | 35 | 39 |
| 2018 | 24 | 36 |
| 2019 | 24 | 27 |
| 2020 | 24 | 40 |
| 2021 | 28 | 35 |
| 2022 | 33 | 37 |
| 2023 | 23 | 38 |
| 2024 | 27 | 42 |
| 2025 | 21 | 25 |
| 2026 | 18 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Device and method for separating particles in a liquid, kit containing the device, and applications of the device1 Sep 2026US 12,722,126 B2Cell.Copedia GmbH
- Microporous membranes, underlayment, roofing, flashing, wrap, and methods for making and using the same14 Jul 2026US 12,678,741 B2Daramic, LLC
- Method for preparing porous aromatic framework membranes based on inorganic salt template method7 Jul 2026US 12,673,297 B2
- Solvent-free production of porous polymer structures23 Jun 2026US 12,661,619 B2Novamem AG
- Nanoparticle filtration membrane and the manufacturing method thereof16 Jun 2026US 12,654,135 B2Cabomba LLC
- Membrane comprising a blend of polyarylethersulfone and polyaryletherketone and method for manufacturing thereof3 Sep 2026US 2026/0258241 A1Syensqo Specialty Polymers USA, LLC
- Polyolefin microporous membrane13 Aug 2026US 2026/0233173 A1Teijin Limited
- Oxidation resistant membranes30 Jul 2026US 2026/0216669 A1BASF SE
- Composite Membrane Structure23 Jul 2026US 2026/0209694 A1Darwin Precisions Corporation
- Porous Polymer Film2 Jul 2026US 2026/0184864 A1SK ie technology Co., Ltd.
Most cited
By later US patents
- Mesoscale sample preparation device and systems for determination and processing of analytes678US 5,726,026 AThe Trustees of the University of Pennsylvania · 1998
- Porous microfabricated polymer membrane structures460US 5,807,406 ABaxter International Inc. · 1998
- Mesoscale sample preparation device and systems for determination and processing of analytes335US 5,928,880 AThe Trustees of the University of Pennsylvania · 1999
- Very highly stretched polytetrafluoroethylene and process therefor330US 3,962,153 AW. L. Gore & Associates, Inc. · 1976
- Biocompatible polymer membranes and methods of preparation of three dimensional membrane structures297US 5,514,378 AChildren's Medical Center Corporation · 1996