F01N 3/0214
With filters comprising movable parts
Official title: {with filters comprising movable parts, e.g. rotating filters}
F01N3/0214 (With filters comprising movable parts) appears on 29 US grants and 22 published applications in this corpus.
Search patents in F01N- Granted patents
- 29
- Published applications
- 22
- Assignees
- 24
- Inventors
- 61
- Latest grant
- 15 Mar 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 0 | 2 |
| 2005 | 2 | 2 |
| 2006 | 0 | 1 |
| 2007 | 2 | 2 |
| 2008 | 2 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 1 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 3 |
| 2018 | 2 | 0 |
| 2019 | 2 | 1 |
| 2020 | 0 | 2 |
| 2021 | 3 | 0 |
| 2022 | 1 | 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
- Internal combustion engine exhaust modification system15 Mar 2022US 11,274,583 B1Sonix Enterprises Inc.
- Emission reducing louvers27 Apr 2021US 10,989,075 B2Mitsubishi Power Americas, Inc.
- Soot particle filter and method for operating a soot particle filter30 Mar 2021US 10,960,337 B2Hug Engineering AG
- Carbon cutter machine30 Mar 2021US 10,961,885 B2
- Diesel Particulate filter regeneration system20 Aug 2019US 10,385,746 B2Ford Global Technologies, LLC
- Systems and methods for treatment of gas engine exhaust23 Apr 2026US 2026/0110259 A1Ceco Environmental IP Inc.
- Carbon cutter machine8 Oct 2020US 2020/0318512 A1P I Green Tech Solutions
- Emission reducing louvers2 Apr 2020US 2020/0102855 A1Mitsubishi Hitachi Power Systems Americas, Inc.
- Soot particle filter and method for operating a soot particle filter1 Aug 2019US 2019/0232207 A1Hug Engineering AG
- Diesel particulate filter regeneration system21 Dec 2017US 2017/0362977 A1Ford Global Technologies, LLC
Most cited
By later US patents
- Multi-purpose ceramic element69US 4,251,239 A1981
- Monolith diesel exhaust filter with self-regeneration61US 4,276,066 AGeneral Motors Corporation · 1981
- Filter assembly for exhaust gases45US 6,883,321 B2Bendix Commercial Vehicle Systems LLC · 2005
- Diesel exhaust cleaner and regeneration burner system with indexing particulate trap44US 4,573,317 AGeneral Motors Corporation · 1986
- Cross flow diesel particulate trap29US 4,923,487 AThe Duriron Company, Inc. · 1990