B01D 67/0039
Inorganic membrane manufacture
Official title: {Inorganic membrane manufacture}
B01D67/0039 (Inorganic membrane manufacture) appears on 1,575 US grants and 1,822 published applications in this corpus.
Search patents in B01D- Granted patents
- 1,575
- Published applications
- 1,822
- Assignees
- 901
- Inventors
- 4,167
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 10 | 0 |
| 1988 | 10 | 0 |
| 1989 | 19 | 0 |
| 1990 | 16 | 0 |
| 1991 | 12 | 0 |
| 1992 | 24 | 0 |
| 1993 | 27 | 0 |
| 1994 | 17 | 0 |
| 1995 | 13 | 0 |
| 1996 | 21 | 0 |
| 1997 | 38 | 0 |
| 1998 | 32 | 0 |
| 1999 | 40 | 0 |
| 2000 | 27 | 0 |
| 2001 | 33 | 10 |
| 2002 | 28 | 27 |
| 2003 | 36 | 45 |
| 2004 | 25 | 63 |
| 2005 | 25 | 54 |
| 2006 | 32 | 74 |
| 2007 | 33 | 89 |
| 2008 | 29 | 70 |
| 2009 | 41 | 80 |
| 2010 | 52 | 84 |
| 2011 | 62 | 70 |
| 2012 | 58 | 82 |
| 2013 | 64 | 74 |
| 2014 | 58 | 61 |
| 2015 | 42 | 79 |
| 2016 | 40 | 70 |
| 2017 | 56 | 94 |
| 2018 | 59 | 82 |
| 2019 | 60 | 83 |
| 2020 | 61 | 96 |
| 2021 | 82 | 84 |
| 2022 | 63 | 73 |
| 2023 | 62 | 69 |
| 2024 | 60 | 75 |
| 2025 | 47 | 71 |
| 2026 | 28 | 63 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01D 67/0053By inducing porosity into non porous precursor membranes376
- B01D 67/0041By agglomeration of particles in the dry state346
- B01D 67/0072By deposition from the gaseous phase275
- B01D 67/0051By controlled crystallisation, e,.g. hydrothermal growth237
- B01D 67/0046By slurry techniques221
- B01D 67/0069By deposition from the liquid phase214
- B01D 67/0048By sol-gel transition182
- B01D 67/0067By carbonisation or pyrolysis146
Recent patents
- Cross-linked mineral membranes6 Oct 2026US 12,752,244 B2Uchicago Argonne, LLC
- Carbon molecular sieve membranes based on oxygen-free polymeric precursors22 Sep 2026US 12,741,250 B2King Abdullah University of Science and Technology
- Zeolite membrane complex, method of producing zeolite membrane complex, separator, membrane reactor, and separation method8 Sep 2026US 12,728,392 B2NGK Insulators, Ltd.
- Palladium-based membrane25 Aug 2026US 12,715,767 B2National University of Singapore
- Method for producing a gas separation membrane28 Jul 2026US 12,691,417 B2Kerionics, S.L.
- Purge device and production method for separation membrane1 Oct 2026US 2026/0295514 A1Mitsubishi Heavy Industries, Ltd.
- Pillared clay mineral membranes1 Oct 2026US 2026/0295541 A1The University of Chicago
- Gas purification method10 Sep 2026US 2026/0264002 A1Shenyang Starlight New Materials Co., Ltd.
- Devices and methods for removing metal cations from fluids27 Aug 2026US 2026/0249252 A1City University of Hong Kong
- Purification media housing, purifier comprising the same, and method of fabricating the same13 Aug 2026US 2026/0233136 A1
Most cited
By later US patents
- Mesoscale polynucleotide amplification devices1,091US 5,587,128 AThe Trustees of the University of Pennsylvania · 1996
- Mesoscale polynucleotide amplification device and method1,042US 5,498,392 AThe Trustees of the University of Pennsylvania · 1996
- Mesoscale sample preparation device and systems for determination and processing of analytes678US 5,726,026 AThe Trustees of the University of Pennsylvania · 1998
- Hydrogen gas-extraction module and method of fabrication341US 6,152,987 AWorcester Polytechnic Institute · 2000
- Mesoscale sample preparation device and systems for determination and processing of analytes335US 5,928,880 AThe Trustees of the University of Pennsylvania · 1999