B01D 46/2484
Cell density, area or aspect ratio
Official title: {Cell density, area or aspect ratio}
B01D46/2484 (Cell density, area or aspect ratio) appears on 382 US grants and 472 published applications in this corpus.
Search patents in B01D- Granted patents
- 382
- Published applications
- 472
- Assignees
- 71
- Inventors
- 534
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 5 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 3 |
| 2003 | 1 | 4 |
| 2004 | 2 | 12 |
| 2005 | 2 | 17 |
| 2006 | 7 | 29 |
| 2007 | 9 | 25 |
| 2008 | 14 | 20 |
| 2009 | 15 | 46 |
| 2010 | 22 | 22 |
| 2011 | 28 | 27 |
| 2012 | 27 | 23 |
| 2013 | 18 | 13 |
| 2014 | 29 | 37 |
| 2015 | 20 | 26 |
| 2016 | 19 | 18 |
| 2017 | 24 | 33 |
| 2018 | 21 | 22 |
| 2019 | 16 | 17 |
| 2020 | 25 | 14 |
| 2021 | 14 | 14 |
| 2022 | 13 | 13 |
| 2023 | 13 | 16 |
| 2024 | 7 | 8 |
| 2025 | 10 | 8 |
| 2026 | 6 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Honeycomb structure8 Sep 2026US 12,728,377 B2NGK Insulators, Ltd.
- Porous structure such as for filters, and making the same21 Jul 2026US 12,685,951 B2Corning Incorporated
- Exhaust gas purification device7 Jul 2026US 12,673,320 B2Cataler Corporation
- Honeycomb filter26 May 2026US 12,636,603 B2NGK Insulators, Ltd.
- Honeycomb filter14 Apr 2026US 12,599,862 B2NGK Insulators, Ltd.
- High efficiency air filter body1 Oct 2026US 2026/0295491 A1Corning Incorporated
- Low bulk density, high geometric surface area honeycomb bodies4 Jun 2026US 2026/0152445 A1Corning Incorporated
- Honeycomb filter7 May 2026US 2026/0124570 A1NGK Insulators, Ltd.
- Porous structure such as for filters, and making the same1 Jan 2026US 2026/0001016 A1Corning Incorporated
- Honeycomb filter1 Jan 2026US 2026/0001022 A1NGK Insulators, Ltd.
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
- Ceramic filters for diesel exhaust particulates158US 4,276,071 AGeneral Motors Corporation · 1981
- Honeycomb filter and method of making it102US 4,416,676 ACorning Glass Works · 1983