B01D 46/2444
Of the outer peripheral sealing
Official title: {of the outer peripheral sealing}
B01D46/2444 (Of the outer peripheral sealing) appears on 38 US grants and 44 published applications in this corpus.
Search patents in B01D- Granted patents
- 38
- Published applications
- 44
- Assignees
- 8
- Inventors
- 83
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 5 |
| 2009 | 1 | 2 |
| 2010 | 1 | 2 |
| 2011 | 4 | 0 |
| 2012 | 2 | 2 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 3 | 5 |
| 2016 | 0 | 2 |
| 2017 | 4 | 2 |
| 2018 | 3 | 5 |
| 2019 | 2 | 0 |
| 2020 | 2 | 3 |
| 2021 | 2 | 4 |
| 2022 | 3 | 3 |
| 2023 | 3 | 1 |
| 2024 | 1 | 0 |
| 2025 | 2 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Filter and method for manufacturing same20 May 2025US 12,305,551 B2NGK Insulators, Ltd.
- Honeycomb structure and manufacturing method of the same21 Jan 2025US 12,202,776 B2NGK Insulators, Ltd.
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- Exhaust gas purification filter19 Dec 2023US 11,845,032 B2Denso Corporation
- Honeycomb structure and honeycomb filter1 Oct 2026US 2026/0295525 A1NGK Insulators, Ltd.
- Honeycomb structure2 Oct 2025US 2025/0303335 A1NGK Insulators, Ltd.
- Honeycomb filter2 Nov 2023US 2023/0347274 A1NGK Insulators, Ltd.
- Exhaust gas purification filter19 May 2022US 2022/0152543 A1Denso Corporation
- Exhaust gas purification filter28 Apr 2022US 2022/0126231 A1Denso Corporation
Most cited
By later US patents
- Diesel particulate filter apparatus32US 5,611,831 AIsuzu Ceramics Research Institute Co., Ltd. · 1997
- Filter device10US 6,736,870 B2Thomas Josef Heimbach GmbH & Co. · 2004
- Honeycomb structure comprising a cement skin composition with crystalline inorganic fibrous material8US 9,139,479 B2Corning Incorporated · 2015
- Honeycomb filter system7US 7,972,400 B2NGK Insulators, Ltd. · 2011
- Ceramic honeycomb structure and its production method5US 8,728,607 B2Hitachi Metals, Ltd. · 2014