B01D 46/2459
Of the plugs
Official title: {of the plugs}
B01D46/2459 (Of the plugs) appears on 104 US grants and 127 published applications in this corpus.
Search patents in B01D- Granted patents
- 104
- Published applications
- 127
- Assignees
- 25
- Inventors
- 208
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 0 | 4 |
| 2004 | 3 | 8 |
| 2005 | 1 | 10 |
| 2006 | 7 | 11 |
| 2007 | 3 | 8 |
| 2008 | 4 | 5 |
| 2009 | 9 | 10 |
| 2010 | 2 | 6 |
| 2011 | 8 | 6 |
| 2012 | 3 | 2 |
| 2013 | 7 | 1 |
| 2014 | 2 | 7 |
| 2015 | 6 | 4 |
| 2016 | 2 | 0 |
| 2017 | 4 | 10 |
| 2018 | 4 | 6 |
| 2019 | 4 | 4 |
| 2020 | 7 | 4 |
| 2021 | 4 | 4 |
| 2022 | 5 | 4 |
| 2023 | 2 | 5 |
| 2024 | 4 | 2 |
| 2025 | 3 | 2 |
| 2026 | 3 | 2 |
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
- Honeycomb filter20 Jan 2026US 12,528,040 B2NGK Insulators, Ltd.
- Cement mixtures for plugging honeycomb bodies and methods of making the same20 Jan 2026US 12,528,747 B2Corning Incorporated
- Honeycomb filter23 Dec 2025US 12,502,634 B2NGK Insulators, Ltd.
- Honeycomb filter26 Aug 2025US 12,397,257 B2NGK Insulators, Ltd.
- High efficiency air filter body1 Oct 2026US 2026/0295491 A1Corning Incorporated
- Honeycomb filter1 Jan 2026US 2026/0001022 A1NGK Insulators, Ltd.
- Honeycomb filter4 Dec 2025US 2025/0367586 A1NGK Insulators, Ltd.
- Catalytic partial wall-flow filter8 May 2025US 2025/0146433 A1Johnson Matthey Public Limited Company
- Honeycomb filter20 Jun 2024US 2024/0198269 A1NGK Insulators, Ltd.
Most cited
By later US patents
- Heated cellular structures64US 5,259,190 ACorning Incorporated · 1993
- Particulate trap for diesel engine61US 5,709,722 ASumitomo Electric Industries, Ltd. · 1998
- Ceramic honeycomb filter and its production method60US 7,578,864 B2Hitachi Metals, Ltd. · 2009
- Ceramic honeycomb filter43US 6,827,754 B2Hino Motors, Ltd. · 2004
- Exhaust gas purifying filter using honeycomb monolith with random length sealing portions35US 5,720,787 ANGK Insulators, Ltd. · 1998