F01N 2330/322
Corrugations of trapezoidal form
F01N2330/322 (Corrugations of trapezoidal form) appears on 31 US grants and 13 published applications in this corpus.
Search patents in F01N- Granted patents
- 31
- Published applications
- 13
- Assignees
- 23
- Inventors
- 117
- Latest grant
- 19 Mar 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 2 |
| 2003 | 2 | 2 |
| 2004 | 4 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Honeycomb core for carrying catalyst and catalytic converter19 Mar 2019US 10,232,362 B2Nippon Steel & Sumikin Materials Co., Ltd.
- Metal substrate for catalytic converters11 Sep 2018US 10,072,549 B2Nippon Steel & Sumikin Materials Co., Ltd.
- Honeycomb structured body, method for manufacturing honeycomb structured body and exhaust gas purifying device15 May 2012US 8,178,185 B2Ibiden Co., Ltd.
- Substrate having corrugated sheet(s) and channel(s) for treating exhaust gases of combustion engines6 Dec 2011US 8,070,847 B2Ecocat Oy
- Honeycomb body consisting of layers comprising inverted sections and layers comprising counter-structures4 May 2010US 7,709,076 B2EMITEC Gesellschaft fuer Emissionstechnologie mbH
- Honeycomb heater body13 Aug 2026US 2026/0235061 A1Corning Incorporated
- Catalyst substrates11 Jul 2019US 2019/0211731 A1BASF SE
- Honeycomb core for carrying catalyst and catalytic converter30 Aug 2018US 2018/0243734 A1Nippon Steel & Sumikin Materials Co., Ltd.
- Metal substrate for catalytic converters5 Jan 2017US 2017/0002711 A1Nippon Steel & Sumkin Materials Co., Ltd.
- Substrate having corrugated sheet(s) and channel(s) for treating exhaust gases of combustion engines9 Jul 2009US 2009/0173228 A1Ecocat Oy
Most cited
By later US patents
- Self-heat generation type honeycomb filter and its apparatus67US 5,436,216 ANippondenso Co., Ltd. · 1995
- Electrically heated catalytic apparatus41US 5,582,805 ANippon Soken, Inc. · 1996
- Carrier matrix for a catalytic reactor for the purification of exhaust gas36US 4,665,051 ASueddeutsche Kuehlerfabrik Julius Fr. Behr GmbH & Co. KG · 1987
- Nonnesting, straight corrugation metal foil and method for making same21US 4,810,588 AW. R. Grace & Co.-Conn. · 1989
- Metal honeycomb body for exhaust gas purification catalyst and method for producing the same21US 6,689,328 B1Nippon Steel Corporation · 2004