B01D 71/024
Oxides
Official title: {Oxides}
B01D71/024 (Oxides) appears on 962 US grants and 1,213 published applications in this corpus.
Search patents in B01D- Granted patents
- 962
- Published applications
- 1,213
- Assignees
- 684
- Inventors
- 3,144
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 8 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 13 | 0 |
| 1993 | 10 | 0 |
| 1994 | 7 | 0 |
| 1995 | 4 | 0 |
| 1996 | 7 | 0 |
| 1997 | 17 | 0 |
| 1998 | 17 | 0 |
| 1999 | 10 | 0 |
| 2000 | 21 | 0 |
| 2001 | 22 | 6 |
| 2002 | 20 | 18 |
| 2003 | 23 | 21 |
| 2004 | 12 | 38 |
| 2005 | 15 | 38 |
| 2006 | 20 | 41 |
| 2007 | 31 | 45 |
| 2008 | 17 | 35 |
| 2009 | 22 | 42 |
| 2010 | 23 | 48 |
| 2011 | 34 | 48 |
| 2012 | 26 | 39 |
| 2013 | 35 | 57 |
| 2014 | 33 | 48 |
| 2015 | 28 | 61 |
| 2016 | 38 | 47 |
| 2017 | 38 | 66 |
| 2018 | 47 | 55 |
| 2019 | 48 | 68 |
| 2020 | 61 | 81 |
| 2021 | 45 | 56 |
| 2022 | 46 | 66 |
| 2023 | 42 | 44 |
| 2024 | 35 | 50 |
| 2025 | 39 | 48 |
| 2026 | 21 | 47 |
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
- Enhanced dual phase membranes for separating carbon from carbon-containing feed gases and separation methods using the same4 Aug 2026US 12,697,587 B2Luna Labs USA, LLC
- Method for producing a gas separation membrane28 Jul 2026US 12,691,417 B2Kerionics, S.L.
- Membrane-dehumidification technologies for electronic component protection14 Jul 2026US 12,678,732 B2Purdue Research Foundation
- Microporous membranes, underlayment, roofing, flashing, wrap, and methods for making and using the same14 Jul 2026US 12,678,741 B2Daramic, LLC
- Pillared clay mineral membranes1 Oct 2026US 2026/0295541 A1The University of Chicago
- Treated microporous membrane24 Sep 2026US 2026/0284603 A1PPG Industries Ohio, Inc.
- Method and System for Azeotropic Separation Using Organophobic Ceramic Membranes27 Aug 2026US 2026/0249254 A1Molecular Filtration, Inc.
- Membrane separation apparatus and engine exhaust apparatus20 Aug 2026US 2026/0241331 A1Hunan University
- Ultrafiltration membrane for emulsion separation20 Aug 2026US 2026/0241345 A1King Fahd University of Petroleum and Minerals
Most cited
By later US patents
- Hydrogen gas-extraction module and method of fabrication341US 6,152,987 AWorcester Polytechnic Institute · 2000
- Separators for electrochemical cells222US 6,153,337 AMoltech Corporation · 2000
- Micromachined fluid handling devices206US 5,839,467 AResearch International, Inc. · 1998
- Solid multi-component membranes, electrochemical reactor components, electrochemical reactors and use of membranes, reactor components, and reactor for oxidation reactions202US 5,306,411 AThe Standard Oil Company · 1994
- Methods, compositions, and automated systems for separating rare cells from fluid samples163US 7,166,443 B2Aviva Biosciences Corporation · 2007