B01D 46/2429
Of the honeycomb walls or cells
Official title: {of the honeycomb walls or cells}
B01D46/2429 (Of the honeycomb walls or cells) appears on 489 US grants and 597 published applications in this corpus.
Search patents in B01D- Granted patents
- 489
- Published applications
- 597
- Assignees
- 79
- Inventors
- 751
- 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 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 2 |
| 2002 | 4 | 6 |
| 2003 | 2 | 10 |
| 2004 | 9 | 16 |
| 2005 | 4 | 21 |
| 2006 | 10 | 28 |
| 2007 | 10 | 32 |
| 2008 | 14 | 35 |
| 2009 | 23 | 36 |
| 2010 | 14 | 26 |
| 2011 | 33 | 27 |
| 2012 | 19 | 32 |
| 2013 | 30 | 27 |
| 2014 | 33 | 37 |
| 2015 | 19 | 33 |
| 2016 | 33 | 17 |
| 2017 | 28 | 29 |
| 2018 | 22 | 24 |
| 2019 | 18 | 25 |
| 2020 | 23 | 22 |
| 2021 | 23 | 30 |
| 2022 | 22 | 34 |
| 2023 | 25 | 15 |
| 2024 | 18 | 12 |
| 2025 | 15 | 11 |
| 2026 | 12 | 10 |
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
- Filter and method for manufacturing same10 Sep 2026US 2026/0263982 A1NGK Insulators, Ltd.
- Low bulk density, high geometric surface area honeycomb bodies4 Jun 2026US 2026/0152445 A1Corning Incorporated
- Honeycomb filter7 May 2026US 2026/0124570 A1NGK Insulators, Ltd.
- Honeycomb structure16 Apr 2026US 2026/0104001 A9NGK 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
- 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