F01N 3/2814
All sheets, plates or foils being corrugated
Official title: {all sheets, plates or foils being corrugated}
F01N3/2814 (All sheets, plates or foils being corrugated) appears on 165 US grants and 71 published applications in this corpus.
Search patents in F01N- Granted patents
- 165
- Published applications
- 71
- Assignees
- 78
- Inventors
- 282
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 8 | 0 |
| 1990 | 7 | 0 |
| 1991 | 5 | 0 |
| 1992 | 9 | 0 |
| 1993 | 4 | 0 |
| 1994 | 10 | 0 |
| 1995 | 7 | 0 |
| 1996 | 5 | 0 |
| 1997 | 9 | 0 |
| 1998 | 7 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 7 | 1 |
| 2002 | 1 | 2 |
| 2003 | 5 | 6 |
| 2004 | 5 | 1 |
| 2005 | 3 | 0 |
| 2006 | 1 | 6 |
| 2007 | 0 | 6 |
| 2008 | 0 | 3 |
| 2009 | 2 | 2 |
| 2010 | 5 | 6 |
| 2011 | 3 | 2 |
| 2012 | 4 | 4 |
| 2013 | 2 | 2 |
| 2014 | 3 | 1 |
| 2015 | 2 | 5 |
| 2016 | 0 | 1 |
| 2017 | 3 | 1 |
| 2018 | 2 | 5 |
| 2019 | 4 | 2 |
| 2020 | 1 | 7 |
| 2021 | 5 | 3 |
| 2022 | 5 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electrically heatable honeycomb structure having corrugated layers of different cell density22 Sep 2026US 12,742,405 B2Vitesco Technologies GmbH
- Metal foil catalyst for the control of emissions from diesel engines19 Sep 2023US 11,759,747 B2Catalytic Combustion Corporation
- Device for treating exhaust29 Nov 2022US 11,512,620 B2Vitesco Technologies GmbH
- Substrate and a method of manufacturing a substrate26 Jul 2022US 11,396,010 B2IP2Ipo Innovations Limited
- Catalytic converter and method for the production thereof14 Jun 2022US 11,359,533 B2Vitesco Technologies GmbH
- Porous metal structure13 Aug 2026US 2026/0235062 A1Amogreentech Co., Ltd.
- Apparatus for exhaust gas aftertreatment having a slotted matrix9 Jul 2026US 2026/0193999 A1Emitec Technologies GmbH
- Catalytic converter for exhaust gas aftertreatment, with improved structure29 Jan 2026US 2026/0028928 A1Schaeffler Technologies AG & Co. KG
- Electrically heatable honeycomb structure having corrugated layers of different cell density12 Dec 2024US 2024/0410307 A1Vitesco Technologies GmbH
- Metal Foil Catalyst For The Control Of Emissions From Diesel Engines22 Sep 2022US 2022/0297063 A1Catalytic Combustion Corporation
Most cited
By later US patents
- Energy management system for hybrid vehicle125US 5,345,761 AFord Motor Company · 1994
- Catalyst structure employing integral heat exchange105US 5,512,250 ACatalytica, Inc. · 1996
- Process for making metal substrate catalytic converter cores103US 4,711,009 AW. R. Grace & Co. · 1987
- Process and catalyst structure employing intergal heat exchange with optional downstream flameholder100US 5,518,697 ACatalytica, Inc. · 1996
- Electrically heated catalytic converter99US 4,976,929 AW. R. Grace & Co.-Conn. · 1990