F01N 1/125
In combination with sound-absorbing materials
Official title: {in combination with sound-absorbing materials}
F01N1/125 (In combination with sound-absorbing materials) appears on 30 US grants and 12 published applications in this corpus.
Search patents in F01N- Granted patents
- 30
- Published applications
- 12
- Assignees
- 16
- Inventors
- 52
- Latest grant
- 21 May 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 3 | 0 |
| 2004 | 1 | 2 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 1 | 0 |
| 2008 | 2 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Sound attenuator apparatus and method21 May 2024US 11,988,123 B1
- Sound attenuator apparatus and method10 Jan 2023US 11,549,414 B1
- Methods of and systems for constraining fibrous material during filling operation5 Jan 2021US 10,883,399 B2OCV Intellectual Capital, LLC
- Compact muffler for small two-stroke internal combustion engines2 Feb 2016US 9,249,703 B2Northwest Uld, Inc.
- Exhaust system for motorcycle22 Apr 2014US 8,701,823 B2Honda Motor Co., Ltd.
- Ventilation type silencer3 Jul 2025US 2025/0216119 A1FUJIFILM Corporation
- Methods of and systems for constraining fibrous material during filling operation14 Nov 2019US 2019/0345856 A1OCV Intellectual Capital, LLC
- Compact muffler for small two-stroke internal combustion engines13 Nov 2014US 2014/0332312 A1Northwest Uld, Inc.
- Compact muffler for small two-stroke internal combustion engines4 Jul 2013US 2013/0168183 A1
- Exhaust system for motorcycle16 Aug 2012US 2012/0205191 A1Honda Motor Co., Ltd.
Most cited
By later US patents
- Sound arresting device34US 4,533,015 A1985
- Muffler30US 3,957,133 AScovill Manufacturing Company · 1976
- Blower noise silencer28US 6,089,348 ABokor Manufacturing Inc. · 2000
- Exhaust pipe for motor vehicle muffler26US 6,385,967 B12002
- Silencer and a method of operating a vehicle25US 6,520,286 B1Silentor Holding A/S · 2003