B01D 71/027
Silicium oxide
Official title: {Silicium oxide}
B01D71/027 (Silicium oxide) appears on 247 US grants and 362 published applications in this corpus.
Search patents in B01D- Granted patents
- 247
- Published applications
- 362
- Assignees
- 256
- Inventors
- 1,017
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 4 |
| 2003 | 5 | 6 |
| 2004 | 1 | 21 |
| 2005 | 5 | 9 |
| 2006 | 6 | 10 |
| 2007 | 13 | 6 |
| 2008 | 1 | 12 |
| 2009 | 7 | 5 |
| 2010 | 5 | 14 |
| 2011 | 7 | 11 |
| 2012 | 3 | 12 |
| 2013 | 9 | 16 |
| 2014 | 10 | 13 |
| 2015 | 8 | 23 |
| 2016 | 13 | 14 |
| 2017 | 12 | 24 |
| 2018 | 15 | 21 |
| 2019 | 23 | 14 |
| 2020 | 13 | 26 |
| 2021 | 13 | 10 |
| 2022 | 14 | 20 |
| 2023 | 11 | 18 |
| 2024 | 13 | 19 |
| 2025 | 16 | 14 |
| 2026 | 8 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cross-linked mineral membranes6 Oct 2026US 12,752,244 B2Uchicago Argonne, LLC
- Catalyst system for dehydrogenation2 Jun 2026US 12,643,076 B2The Regents of the University of Michigan
- Polyamide-functionalized silicon carbide (SiC) nanoparticles-based ceramic membrane for separating an oil and water mixture12 May 2026US 12,624,143 B2King Fahd University of Petroleum and Minerals
- Filter structure and substrate treating system including filter structure12 May 2026US 12,628,601 B2Samsung Electronics Co., Ltd.
- Membrane supporting structures17 Feb 2026US 12,551,854 B2Memzyme, LLC
- Pillared clay mineral membranes1 Oct 2026US 2026/0295541 A1The University of Chicago
- 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
- Method and device for regenerating inorganic porous gas separation membrane13 Aug 2026US 2026/0233167 A1Jgc Corporation
- Ceramic cation exchange materials13 Aug 2026US 2026/0233171 A1Membrion, Inc.
Most cited
By later US patents
- Methods, compositions, and automated systems for separating rare cells from fluid samples163US 7,166,443 B2Aviva Biosciences Corporation · 2007
- Supported inorganic membranes119US 5,772,735 ASandia Natl Laboratories · 1998
- Subnanoscale composite, N2-permselective membrane for the separation of volatile organic compounds89US 5,789,024 ANew Jersey Institute of Technology · 1998
- Electrostatic air filter74US 7,311,752 B2Argonide Corporation · 2007
- Mesoporous materials and methods50US 7,419,772 B2University of Massachusetts · 2008