B01D 67/0002
Organic membrane manufacture
Official title: {Organic membrane manufacture}
B01D67/0002 (Organic membrane manufacture) appears on 2,552 US grants and 3,173 published applications in this corpus.
Search patents in B01D- Granted patents
- 2,552
- Published applications
- 3,173
- Assignees
- 1,297
- Inventors
- 6,894
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 16 | 0 |
| 1978 | 19 | 0 |
| 1979 | 10 | 0 |
| 1980 | 18 | 0 |
| 1981 | 17 | 0 |
| 1982 | 10 | 0 |
| 1983 | 6 | 0 |
| 1984 | 15 | 0 |
| 1985 | 6 | 0 |
| 1986 | 21 | 0 |
| 1987 | 25 | 0 |
| 1988 | 25 | 0 |
| 1989 | 35 | 0 |
| 1990 | 44 | 0 |
| 1991 | 28 | 0 |
| 1992 | 27 | 0 |
| 1993 | 25 | 0 |
| 1994 | 21 | 0 |
| 1995 | 18 | 0 |
| 1996 | 15 | 0 |
| 1997 | 23 | 0 |
| 1998 | 37 | 0 |
| 1999 | 41 | 0 |
| 2000 | 34 | 0 |
| 2001 | 28 | 5 |
| 2002 | 25 | 38 |
| 2003 | 29 | 66 |
| 2004 | 33 | 59 |
| 2005 | 28 | 77 |
| 2006 | 29 | 81 |
| 2007 | 35 | 68 |
| 2008 | 43 | 92 |
| 2009 | 39 | 108 |
| 2010 | 63 | 107 |
| 2011 | 55 | 100 |
| 2012 | 79 | 113 |
| 2013 | 64 | 116 |
| 2014 | 86 | 137 |
| 2015 | 92 | 197 |
| 2016 | 107 | 186 |
| 2017 | 128 | 142 |
| 2018 | 119 | 160 |
| 2019 | 108 | 159 |
| 2020 | 124 | 198 |
| 2021 | 140 | 178 |
| 2022 | 122 | 175 |
| 2023 | 103 | 168 |
| 2024 | 142 | 182 |
| 2025 | 114 | 147 |
| 2026 | 72 | 114 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01D 67/0009By phase separation, sol-gel transition, evaporation or solvent quenching1,034
- B01D 67/0023By inducing porosity into non porous precursor membranes778
- B01D 67/0006By chemical reactions676
- B01D 67/0004By agglomeration of particles187
- B01D 67/002From melts123
- B01D 67/0037By deposition from the gaseous phase34
Recent patents
- Eco-friendly membranes for separations6 Oct 2026US 12,752,241 B2Khalifa University of Science and Technology
- Dual-layer hollow fiber membranes and methods of making and use22 Sep 2026US 12,741,269 B2The Regents of the University of Michigan
- Membrane assembly for gas separation, method for producing the membrane assembly and method of separating gases15 Sep 2026US 12,734,487 B2Université De Fribourg
- Method of preparing reverse osmosis membrane with charged hydrogel and polyamide double network8 Sep 2026US 12,728,388 B2
- Membranes with controlled porosity for serial filtration8 Sep 2026US 12,728,389 B2Gradiant Corporation
- Ion exchange membrane8 Oct 2026US 2026/0307020 A1Khalifa University of Science and Technology
- High-pressure reverse osmosis membrane based on pectin-assisted interfacial polymerization and preparation method therefor17 Sep 2026US 2026/0273475 A1Shandong Industrial Institute of Seawater Desalination and Multipurpose Utilization
- Separation membrane, method for manufacturing same, membrane module for at least one of deaeration and aeration, and device for at least one of deaeration and aeration17 Sep 2026US 2026/0273477 A1Toray Industries, Inc.
- Fabrication of membranes via combined evaporation and precipitant induced phase separation10 Sep 2026US 2026/0264022 A1Sartorius Stedim Biotech GmbH
- Thermal treatment of ultrafiltration membranes10 Sep 2026US 2026/0264023 A1Sartorius Stedim Biotech GmbH
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
- Microporous sheet material, method of making and articles made therewith399US 4,539,256 AMinnesota Mining and Manufacturing Company · 1985
- Multicomponent membranes for gas separations355US 4,230,463 AMonsanto Company · 1980
- Mesoscale sample preparation device and systems for determination and processing of analytes335US 5,928,880 AThe Trustees of the University of Pennsylvania · 1999