B01D 39/2068
Other inorganic materials
Official title: {Other inorganic materials, e.g. ceramics}
B01D39/2068 (Other inorganic materials) appears on 1,040 US grants and 1,015 published applications in this corpus.
Search patents in B01D- Granted patents
- 1,040
- Published applications
- 1,015
- Assignees
- 617
- Inventors
- 2,518
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 9 | 0 |
| 1978 | 8 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 10 | 0 |
| 1982 | 11 | 0 |
| 1983 | 15 | 0 |
| 1984 | 12 | 0 |
| 1985 | 10 | 0 |
| 1986 | 7 | 0 |
| 1987 | 14 | 0 |
| 1988 | 13 | 0 |
| 1989 | 17 | 0 |
| 1990 | 19 | 0 |
| 1991 | 21 | 0 |
| 1992 | 23 | 0 |
| 1993 | 36 | 0 |
| 1994 | 13 | 0 |
| 1995 | 15 | 0 |
| 1996 | 17 | 0 |
| 1997 | 22 | 0 |
| 1998 | 30 | 0 |
| 1999 | 21 | 0 |
| 2000 | 14 | 0 |
| 2001 | 22 | 7 |
| 2002 | 18 | 29 |
| 2003 | 21 | 51 |
| 2004 | 32 | 46 |
| 2005 | 26 | 47 |
| 2006 | 25 | 61 |
| 2007 | 23 | 56 |
| 2008 | 26 | 45 |
| 2009 | 37 | 35 |
| 2010 | 27 | 41 |
| 2011 | 45 | 39 |
| 2012 | 21 | 32 |
| 2013 | 23 | 28 |
| 2014 | 24 | 37 |
| 2015 | 17 | 31 |
| 2016 | 28 | 25 |
| 2017 | 11 | 25 |
| 2018 | 25 | 28 |
| 2019 | 22 | 43 |
| 2020 | 25 | 36 |
| 2021 | 30 | 62 |
| 2022 | 23 | 51 |
| 2023 | 24 | 46 |
| 2024 | 34 | 55 |
| 2025 | 39 | 35 |
| 2026 | 24 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for adjusting grouting parameters in preparation of ceramic composite fiber-based catalytic filter tube, and method and device for preparing ceramic composite fiber-based catalytic filter tube6 Oct 2026US 12,752,223 B2Zhejiang Zhiyuan Environmental Technology Co., Ltd
- Granulated hierarchical material structure29 Sep 2026US 12,746,527 B2Metalmark Innovations, PBC
- Microfluidic purification device29 Sep 2026US 12,746,548 B2Oriental System Technology Inc.
- Coating solution14 Jul 2026US 12,678,767 B2Nittetsu Mining Co., Ltd.
- Multifunctional filter materials30 Jun 2026US 12,667,143 B2Khalifa University of Science and Technology
- Multifunctional filter materials8 Oct 2026US 2026/0305741 A1Khalifa University of Science and Technology
- Filtering device and reaction vessel and method for manufacturing aqueous slurry using the same8 Oct 2026US 2026/0306972 A1Umicore Battery Materials Finland Oy
- Filter system for the removal of volatile organosulfur compounds (voscs) from indoor air8 Oct 2026US 2026/0306980 A1Air Tech Group, SLU
- Honeycomb structure and honeycomb filter1 Oct 2026US 2026/0295525 A1NGK Insulators, Ltd.
- Methods of reducing the enzymatic hydrolysis activity rate in a composition obtained from a purification platform17 Sep 2026US 2026/0274889 A1Genentech, Inc.
Most cited
By later US patents
- Diesel particulate trap330US 4,329,162 ACorning Glass Works · 1982
- Device for removal of contaminants from fluid streams235US 5,750,026 ACorning Incorporated · 1998
- Filter medium and structure212US 7,314,497 B2Donaldson Company, Inc. · 2008
- Honeycomb filter and ceramic filter assembly201US 6,669,751 B1Ibiden Co., Ltd. · 2003
- Asbestiform crystalline calcium sodium or lithium phosphate, preparation and compositions161US 4,346,028 AMonsanto Company · 1982