F01N 13/1877
The channels or tubes thereof being made integrally with the housing
Official title: {the channels or tubes thereof being made integrally with the housing}
F01N13/1877 (The channels or tubes thereof being made integrally with the housing) appears on 47 US grants and 39 published applications in this corpus.
Search patents in F01N- Granted patents
- 47
- Published applications
- 39
- Assignees
- 39
- Inventors
- 110
- Latest grant
- 12 Dec 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 3 |
| 2006 | 1 | 0 |
| 2007 | 2 | 2 |
| 2008 | 0 | 2 |
| 2009 | 1 | 1 |
| 2010 | 3 | 4 |
| 2011 | 1 | 3 |
| 2012 | 1 | 0 |
| 2013 | 3 | 2 |
| 2014 | 2 | 0 |
| 2015 | 0 | 2 |
| 2016 | 1 | 3 |
| 2017 | 3 | 1 |
| 2018 | 1 | 2 |
| 2019 | 1 | 8 |
| 2020 | 3 | 1 |
| 2021 | 3 | 0 |
| 2022 | 1 | 1 |
| 2023 | 1 | 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
- Silencer for an exhaust system of an internal combustion engine12 Dec 2023US 11,840,948 B2Purem GmbH
- Muffler assembly unit8 Feb 2022US 11,242,793 B2Purem GmbH
- Vorticity based noise abatement30 Nov 2021US 11,187,136 B2The United States of America as represented by the Secretary of the Army
- Muffler23 Nov 2021US 11,181,031 B2Honda Motor Co., Ltd.
- Turbo housing element27 Apr 2021US 10,989,076 B2Pridgeon & Clay, Inc.
- Exhaust gas aftertreatment13 Aug 2026US 2026/0233162 A1Proventia Oy
- Silencer for an exhaust system of an internal combustion engine15 Dec 2022US 2022/0397050 A1Purem GmbH
- Vehicle exhaust system2 Jan 2020US 2020/0003106 A1Nissan North America, Inc.
- Exhaust system component26 Sep 2019US 2019/0292958 A1Faurecia Emissions Control Technologies, Germany GmbH
- Turbo housing element15 Aug 2019US 2019/0249573 A1Pridgeon & Clay, Inc.
Most cited
By later US patents
- Stamp formed muffler54US 4,700,806 AAP Industries, Inc. · 1987
- Tube and chamber construction for an exhaust muffler47US 4,759,423 AAP Industries, Inc. · 1988
- Compositions and uses thereof44US 9,447,089 B2Hoffman-La Roche Inc. · 2016
- Exhaust muffler with angularly aligned inlets and outlets37US 4,760,894 AAP Industries, Inc. · 1988
- Stamp formed muffler35US 4,736,817 AAP Industries, Inc. · 1988