F01N 3/0228
The structure being made of foamed rubber or plastics
Official title: {the structure being made of foamed rubber or plastics}
F01N3/0228 (The structure being made of foamed rubber or plastics) appears on 13 US grants and 5 published applications in this corpus.
Search patents in F01N- Granted patents
- 13
- Published applications
- 5
- Assignees
- 7
- Inventors
- 28
- Latest grant
- 21 Apr 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Multistage body having a plurality of flow channels21 Apr 2020US 10,625,251 B2Exentis Knowledge GmbH
- Filter8 Dec 2015US 9,205,356 B2
- Diesel engine particulate filter13 Oct 2009US 7,601,306 B2Lenz Environmental Resources Co., Ltd.
- Process for manufacturing a ceramic foam body19 Nov 1991US 5,066,432 AAlusuisse-Lonza Services Ltd.
- Process for manufacturing a ceramic foam body5 Nov 1991US 5,063,007 AAlusuisse-Lonza Services Ltd.
- Multistage body having a plurality of flow channels10 May 2018US 2018/0126369 A1Exentis Knowledge GmbH
- Filter4 Jun 2015US 2015/0151228 A1
- Device for removing harmful constituents from exhaust gases of internal combustion engines20 Aug 2009US 2009/0208393 A1
- Filter assembly for removing particulates in an exhaust gas in a fuel engine23 Apr 2009US 2009/0100809 A1
- Diesel engine particular filter2 Oct 2003US 2003/0185719 A1S & S Engineering Co., Ltd.
Most cited
By later US patents
- Multi-purpose ceramic element69US 4,251,239 A1981
- Sintered ceramic filter structure having body compressively stressed by sintered ceramic material having different sintering shrinkage ratio43US 4,732,593 ANippondenso Co., Ltd. · 1988
- Ceramic filters39US 4,643,749 ANippondenso Co., Ltd. · 1987
- Process for scrubbing exhaust gases from diesel engines and filter cartridge for carrying out the process35US 4,732,594 ASwiss Aluminium Ltd. · 1988
- Process for manufacturing a ceramic foam body31US 5,066,432 AAlusuisse-Lonza Services Ltd. · 1991