F01N 2590/06
Exhaust or silencing apparatus adapted to particular use: for hand-held tools or
Official title: for hand-held tools or portables devices
F01N2590/06 (Exhaust or silencing apparatus adapted to particular use: for hand-held tools or) appears on 165 US grants and 117 published applications in this corpus.
Search patents in F01N- Granted patents
- 165
- Published applications
- 117
- Assignees
- 78
- Inventors
- 339
- Latest grant
- 9 Jan 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 7 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 6 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 9 | 0 |
| 1999 | 9 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 1 |
| 2002 | 3 | 3 |
| 2003 | 2 | 7 |
| 2004 | 1 | 6 |
| 2005 | 5 | 12 |
| 2006 | 2 | 4 |
| 2007 | 4 | 3 |
| 2008 | 4 | 8 |
| 2009 | 3 | 9 |
| 2010 | 4 | 8 |
| 2011 | 3 | 3 |
| 2012 | 7 | 9 |
| 2013 | 5 | 4 |
| 2014 | 6 | 5 |
| 2015 | 9 | 4 |
| 2016 | 6 | 5 |
| 2017 | 1 | 3 |
| 2018 | 3 | 4 |
| 2019 | 5 | 4 |
| 2020 | 3 | 2 |
| 2021 | 1 | 6 |
| 2022 | 5 | 2 |
| 2023 | 3 | 2 |
| 2024 | 1 | 1 |
| 2025 | 0 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Pneumatic tool exhaust muffler9 Jan 2024US 11,867,102 B2Snap-on Incorporated
- Exhaust muffler, two-stroke engine or four-stroke engine having an exhaust muffler, and catalytic converter for an exhaust muffler14 Nov 2023US 11,813,569 B2Andreas Stihl AG & CO.KG
- Compact slip-in spark arrestor30 May 2023US 11,661,873 B2
- Vibrating plate with hood optimized for noise reduction28 Feb 2023US 11,591,948 B2BOMAG GmbH
- Rotary valve internal combustion engine5 Jul 2022US 11,377,983 B2Kaaz Corporation
- Handheld work apparatus, and exhaust gas after-treatment unit for a handheld work apparatus, and exhaust muffler9 Oct 2025US 2025/0314190 A1Andreas Stihl AG & CO.KG
- Muffler and outlet stub for a muffler9 Jan 2025US 2025/0012208 A1Andreas Stihl AG & CO.KG
- Acoustic muffler for a motorized food processing device1 Aug 2024US 2024/0257792 A1SharkNinja Operating LLC
- Small air-cooled engine with catalytic converter with ruthenium catalyst5 Oct 2023US 2023/0313719 A1Briggs & Stratton Corporation
- Compact slip-in spark arrestor27 Apr 2023US 2023/0128285 A1
Most cited
By later US patents
- One-piece combined muffler exhaust outlet and exhaust gas deflector134US 5,857,329 ADeere & Company · 1999
- Blower pipe with silencer111US 5,841,080 AKioritz Corporation · 1998
- Portable engine-generator set88US 4,608,946 AHonda Giken Kogyo Kabushiki Kaisha · 1986
- Narrow profile power handle for line trimmer and the like83US 4,286,675 ABeaird-Poulan Division of Emerson Electric Co. · 1981
- Combination muffler and catalytic converter45US 5,338,903 ABriggs & Stratton Corporation · 1994