F01N 2330/323
Corrugations of saw-tooth or triangular form
F01N2330/323 (Corrugations of saw-tooth or triangular form) appears on 39 US grants and 15 published applications in this corpus.
Search patents in F01N- Granted patents
- 39
- Published applications
- 15
- Assignees
- 25
- Inventors
- 75
- Latest grant
- 30 Jul 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 4 | 2 |
| 2004 | 3 | 1 |
| 2005 | 2 | 2 |
| 2006 | 2 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 1 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Exhaust gas heating unit30 Jul 2024US 12,049,839 B2Purem GmbH
- Channel system with internal flow director and turbulence generator13 Sep 2016US 9,441,523 B2
- 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
- Exhaust gas heating unit9 Jun 2022US 2022/0178290 A1Purem GmbH
- Catalyst substrates11 Jul 2019US 2019/0211731 A1BASF SE
- Cellular substrate for a catalytic convertor11 Sep 2014US 2014/0255261 A1Ford Global Technologies, LLC
- Channel system10 Feb 2011US 2011/0030829 A1
- 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
- Catalyst structure employing integral heat exchange105US 5,512,250 ACatalytica, Inc. · 1996
- Process and catalyst structure employing intergal heat exchange with optional downstream flameholder100US 5,518,697 ACatalytica, Inc. · 1996
- Electrically-heated combustion catalyst structure and method for start-up of a gas turbine using same65US 6,109,018 ACatalytica, Inc. · 2000
- Pre-form for exhaust aftertreatment control filter63US 6,582,490 B2Fleetguard, Inc. · 2003
- Honeycomb body with internal leading edges, in particular a catalyst body for motor vehicles39US 5,045,403 AEmitec Gesellschaft fur Emissionstechnologie mbH · 1991