B01D 71/02
Inorganic material
B01D71/02 (Inorganic material) appears on 2,558 US grants and 3,272 published applications in this corpus.
Search patents in B01D- Granted patents
- 2,558
- Published applications
- 3,272
- Assignees
- 1,415
- Inventors
- 7,180
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 5 | 0 |
| 1987 | 12 | 0 |
| 1988 | 11 | 0 |
| 1989 | 19 | 0 |
| 1990 | 22 | 0 |
| 1991 | 12 | 0 |
| 1992 | 30 | 0 |
| 1993 | 37 | 0 |
| 1994 | 19 | 0 |
| 1995 | 14 | 0 |
| 1996 | 20 | 0 |
| 1997 | 37 | 0 |
| 1998 | 42 | 0 |
| 1999 | 51 | 0 |
| 2000 | 38 | 0 |
| 2001 | 46 | 15 |
| 2002 | 43 | 38 |
| 2003 | 51 | 55 |
| 2004 | 35 | 85 |
| 2005 | 29 | 77 |
| 2006 | 44 | 93 |
| 2007 | 53 | 104 |
| 2008 | 42 | 83 |
| 2009 | 53 | 107 |
| 2010 | 65 | 117 |
| 2011 | 69 | 95 |
| 2012 | 71 | 111 |
| 2013 | 80 | 126 |
| 2014 | 86 | 123 |
| 2015 | 77 | 157 |
| 2016 | 82 | 125 |
| 2017 | 84 | 178 |
| 2018 | 116 | 157 |
| 2019 | 123 | 176 |
| 2020 | 163 | 212 |
| 2021 | 149 | 195 |
| 2022 | 127 | 196 |
| 2023 | 128 | 169 |
| 2024 | 127 | 184 |
| 2025 | 130 | 161 |
| 2026 | 74 | 133 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Cross-linked mineral membranes6 Oct 2026US 12,752,244 B2Uchicago Argonne, LLC
- Microfluidic purification device29 Sep 2026US 12,746,548 B2Oriental System Technology Inc.
- Mixed gas separation method and mixed gas separation apparatus22 Sep 2026US 12,741,246 B2NGK Insulators, Ltd.
- Carbon molecular sieve membranes based on oxygen-free polymeric precursors22 Sep 2026US 12,741,250 B2King Abdullah University of Science and Technology
- Separation of alcohol using a membrane15 Sep 2026US 12,734,482 B2Altr Fltr Inc.
- Direct air capture of carbon dioxide with nanofluidic flows8 Oct 2026US 2026/0307002 A1National Technology & Engineering Solutions of Sandia, LLC
- Conductive forward osmosis membrane and preparation method thereof8 Oct 2026US 2026/0307018 A1Beijing Baoshengtong International Electrical Engineering Technology Co., Ltd.
- Ion exchange membrane8 Oct 2026US 2026/0307020 A1Khalifa University of Science and Technology
- Hydrogen generation device8 Oct 2026US 2026/0307031 A1
- Hydrogen generation apparatus8 Oct 2026US 2026/0307037 A1
Most cited
By later US patents
- 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
- Steam reformer with internal hydrogen purification269US 5,997,594 ANorthwest Power Systems, LLC · 1999