F01N 3/2821
The support being provided with means to enhance the mixing process inside
Official title: {the support being provided with means to enhance the mixing process inside the converter, e.g. sheets, plates or foils with protrusions or projections to create turbulence}
F01N3/2821 (The support being provided with means to enhance the mixing process inside) appears on 135 US grants and 101 published applications in this corpus.
Search patents in F01N- Granted patents
- 135
- Published applications
- 101
- Assignees
- 81
- Inventors
- 312
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 8 | 0 |
| 1997 | 10 | 0 |
| 1998 | 7 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 7 | 2 |
| 2002 | 1 | 5 |
| 2003 | 5 | 6 |
| 2004 | 5 | 9 |
| 2005 | 2 | 4 |
| 2006 | 5 | 7 |
| 2007 | 4 | 7 |
| 2008 | 1 | 3 |
| 2009 | 1 | 3 |
| 2010 | 3 | 2 |
| 2011 | 7 | 8 |
| 2012 | 5 | 4 |
| 2013 | 5 | 1 |
| 2014 | 4 | 4 |
| 2015 | 1 | 0 |
| 2016 | 2 | 1 |
| 2017 | 1 | 3 |
| 2018 | 2 | 2 |
| 2019 | 2 | 4 |
| 2020 | 1 | 4 |
| 2021 | 5 | 6 |
| 2022 | 6 | 6 |
| 2023 | 3 | 2 |
| 2024 | 3 | 4 |
| 2025 | 0 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Display driving device comprising an emission circuit and positive feedback circuit22 Sep 2026US 12,742,407 B2Purem GmbH
- Metallic base material for exhaust purging, and exhaust purging device using same4 Jun 2024US 11,998,874 B2Cataler Corporation
- Emissions reduction systems and methods14 May 2024US 11,982,216 B2
- Exhaust gas purification catalyst27 Feb 2024US 11,913,367 B2Honda Motor Co., Ltd.
- Diesel exhaust treatement apparatus and methods19 Dec 2023US 11,846,223 B2Dinex A/S
- Exhaust gas control device14 May 2026US 2026/0132727 A1Toyota Jidosha Kabushiki Kaisha
- Catalytic converter for exhaust gas aftertreatment, with improved structure29 Jan 2026US 2026/0028928 A1Schaeffler Technologies AG & Co. KG
- Exhaust aftertreatment system including mixer with injector cone19 Jun 2025US 2025/0196074 A1Cummins Emission Solutions Inc.
- Catalyst structure3 Apr 2025US 2025/0108364 A1Honda Motor Co., Ltd.
- Emissions Reduction Systems and Methods19 Dec 2024US 2024/0418116 A1
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
- Methods of fabricating bodies95US 4,098,722 AUnited Kingdom Atomic Energy Authority · 1978
- Metal catalyst support having honeycomb structure and method of making same77US 4,402,871 A1983
- System for reducing NOx transient emission72US 6,446,430 B1Engelhard Corporation · 2002