B01D 46/24492
Pore diameter
Official title: {Pore diameter}
B01D46/24492 (Pore diameter) appears on 338 US grants and 399 published applications in this corpus.
Search patents in B01D- Granted patents
- 338
- Published applications
- 399
- Assignees
- 64
- Inventors
- 553
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 3 | 2 |
| 2003 | 2 | 7 |
| 2004 | 6 | 9 |
| 2005 | 3 | 7 |
| 2006 | 4 | 20 |
| 2007 | 5 | 18 |
| 2008 | 6 | 16 |
| 2009 | 17 | 19 |
| 2010 | 9 | 19 |
| 2011 | 18 | 23 |
| 2012 | 15 | 27 |
| 2013 | 23 | 19 |
| 2014 | 31 | 23 |
| 2015 | 15 | 22 |
| 2016 | 16 | 8 |
| 2017 | 17 | 16 |
| 2018 | 17 | 15 |
| 2019 | 9 | 20 |
| 2020 | 16 | 14 |
| 2021 | 14 | 26 |
| 2022 | 17 | 26 |
| 2023 | 19 | 14 |
| 2024 | 12 | 10 |
| 2025 | 12 | 11 |
| 2026 | 10 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- High filtration efficiency particulate filters having bimodal pore size distribution made from beads with open porosity11 Aug 2026US 12,702,946 B2Corning Incorporated
- Exhaust gas purification device7 Jul 2026US 12,673,320 B2Cataler Corporation
- Honeycomb filter26 May 2026US 12,636,603 B2NGK Insulators, Ltd.
- Honeycomb filter21 Apr 2026US 12,605,665 B2NGK Insulators, Ltd.
- Honeycomb filter14 Apr 2026US 12,599,862 B2NGK Insulators, Ltd.
- High efficiency air filter body1 Oct 2026US 2026/0295491 A1Corning Incorporated
- Honeycomb structure and honeycomb filter1 Oct 2026US 2026/0295525 A1NGK Insulators, Ltd.
- Methods of depositing inorganic particles25 Jun 2026US 2026/0176994 A1Corning Incorporated
- Honeycomb structure16 Apr 2026US 2026/0104001 A9NGK Insulators, Ltd.
- Particulate Filter26 Mar 2026US 2026/0084084 A1Cataler Corporation
Most cited
By later US patents
- Honeycomb filter and ceramic filter assembly201US 6,669,751 B1Ibiden Co., Ltd. · 2003
- Mercury removal apparatus and method176US 5,409,522 AADA Technologies, Inc. · 1995
- Honeycomb filter and method of making it163US 4,417,908 ACorning Glass Works · 1983
- Particulate trap for diesel engine114US 5,908,480 ASumitomo Electric Industries, Ltd. · 1999
- Honeycomb filter and method of making it102US 4,416,676 ACorning Glass Works · 1983