F01N 13/007
Apparatus used as intake or exhaust silencer
Official title: {Apparatus used as intake or exhaust silencer}
F01N13/007 (Apparatus used as intake or exhaust silencer) appears on 70 US grants and 76 published applications in this corpus.
Search patents in F01N- Granted patents
- 70
- Published applications
- 76
- Assignees
- 51
- Inventors
- 163
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 3 |
| 2014 | 0 | 3 |
| 2015 | 6 | 5 |
| 2016 | 6 | 13 |
| 2017 | 9 | 5 |
| 2018 | 3 | 7 |
| 2019 | 4 | 10 |
| 2020 | 8 | 10 |
| 2021 | 8 | 4 |
| 2022 | 8 | 3 |
| 2023 | 6 | 2 |
| 2024 | 2 | 1 |
| 2025 | 0 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Power systems and enclosures having an improved compressor drive14 Jul 2026US 12,680,494 B2Illinois Tool Works Inc.
- Muffler and method for making the same1 Oct 2024US 12,104,512 B2Purem GmbH
- Noise abatement for air blowers2 Jan 2024US 11,859,641 B2
- Marine drives having a muffler for tertiary exhaust outlet24 Oct 2023US 11,795,858 B1Brunswick Corporation
- Exhaust structure15 Aug 2023US 11,725,566 B2Honda Motor Co., Ltd.
- Exhaust Muffler12 Mar 2026US 2026/0071564 A1Tenneco Automotive Operating Company Inc.
- Utility Vehicle9 Oct 2025US 2025/0314191 A1Kubota Corporation
- Controlling noise on safety valves31 Jul 2025US 2025/0243796 A1
- Solid-body structure17 Oct 2024US 2024/0347030 A1Ruag Ammotec GmbH
- Exhaust structure30 Mar 2023US 2023/0103188 A1Honda Motor Co., Ltd.
Most cited
By later US patents
- Noise attenuator for an induction system or an exhaust system55US 6,009,705 ATennex Europe Limited · 2000
- Silencer for gas induction and exhaust systems35US 5,014,816 AE. I. Du Pont de Nemours and Company · 1991
- Muffler for an internal combustion engine22US 11,002,165 B2Bombardier Recreational Products Inc. · 2021
- Air turbine for combustion engine19US 6,679,351 B2TTR HP, Inc. · 2004
- Inlet or exhaust line for a reciprocating machine14US 5,655,367 ACentre National de la Recherche Scientifique (CNRS) · 1997