B01D 46/247
Of the cells
Official title: {of the cells}
B01D46/247 (Of the cells) appears on 353 US grants and 443 published applications in this corpus.
Search patents in B01D- Granted patents
- 353
- Published applications
- 443
- Assignees
- 79
- Inventors
- 539
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 5 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 4 |
| 2003 | 1 | 8 |
| 2004 | 4 | 13 |
| 2005 | 4 | 21 |
| 2006 | 6 | 22 |
| 2007 | 8 | 22 |
| 2008 | 13 | 21 |
| 2009 | 18 | 41 |
| 2010 | 23 | 21 |
| 2011 | 19 | 27 |
| 2012 | 24 | 13 |
| 2013 | 15 | 3 |
| 2014 | 16 | 26 |
| 2015 | 13 | 29 |
| 2016 | 13 | 18 |
| 2017 | 21 | 36 |
| 2018 | 20 | 29 |
| 2019 | 21 | 22 |
| 2020 | 31 | 15 |
| 2021 | 20 | 16 |
| 2022 | 16 | 14 |
| 2023 | 15 | 10 |
| 2024 | 5 | 2 |
| 2025 | 6 | 5 |
| 2026 | 2 | 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.
- Honeycomb filter14 Apr 2026US 12,599,862 B2NGK Insulators, Ltd.
- Honeycomb filter16 Sep 2025US 12,415,154 B2NGK Insulators, Ltd.
- Honeycomb filter26 Aug 2025US 12,397,257 B2NGK Insulators, Ltd.
- Inorganic membrane filtration articles and methods thereof12 Aug 2025US 12,384,729 B2Corning Incorporated
- High efficiency air filter body1 Oct 2026US 2026/0295491 A1Corning Incorporated
- Humidity controlling device and humidity controlling system27 Aug 2026US 2026/0251321 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 filter1 Jan 2026US 2026/0001022 A1NGK Insulators, Ltd.
Most cited
By later US patents
- Honeycomb filter and method of making it163US 4,417,908 ACorning Glass Works · 1983
- Honeycomb filter and method of making it102US 4,416,676 ACorning Glass Works · 1983
- Pre-form for exhaust aftertreatment control filter63US 6,582,490 B2Fleetguard, Inc. · 2003
- Honeycomb segment58US 7,858,169 B2NGK Insulators, Ltd. · 2010
- High capacity solid particulate filter apparatus57US 4,416,675 ACorning Glass Works · 1983