F01L 3/205
Reed valves
Official title: {Reed valves}
F01L3/205 (Reed valves) appears on 174 US grants and 64 published applications in this corpus.
Search patents in F01L- Granted patents
- 174
- Published applications
- 64
- Assignees
- 63
- Inventors
- 251
- Latest grant
- 20 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 5 | 0 |
| 1980 | 6 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 6 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 10 | 0 |
| 1991 | 10 | 0 |
| 1992 | 6 | 0 |
| 1993 | 7 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 7 | 0 |
| 1999 | 4 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 2 |
| 2002 | 2 | 7 |
| 2003 | 9 | 4 |
| 2004 | 2 | 4 |
| 2005 | 3 | 4 |
| 2006 | 4 | 3 |
| 2007 | 3 | 6 |
| 2008 | 5 | 2 |
| 2009 | 4 | 2 |
| 2010 | 3 | 2 |
| 2011 | 0 | 2 |
| 2012 | 1 | 1 |
| 2013 | 2 | 2 |
| 2014 | 1 | 3 |
| 2015 | 1 | 1 |
| 2016 | 1 | 1 |
| 2017 | 1 | 3 |
| 2018 | 3 | 2 |
| 2019 | 4 | 2 |
| 2020 | 0 | 1 |
| 2021 | 4 | 4 |
| 2022 | 2 | 0 |
| 2023 | 2 | 3 |
| 2024 | 0 | 1 |
| 2025 | 2 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Electro-hydrostatic actuator20 May 2025US 12,305,671 B2G. W. Lisk Company, Inc.
- Reed valve14 Jan 2025US 12,196,329 B2Moto Tassinari, Inc.
- Reed valve and reed valve airbox21 Nov 2023US 11,821,356 B2Moto Tassinari, Inc.
- Constant volume combustion system4 Apr 2023US 11,619,380 B2Safran
- Reed valve and reed valve airbox27 Sep 2022US 11,454,162 B2Moto Tassinari, Inc.
- Reed valve13 Nov 2025US 2025/0347346 A1Moto Tassinari, Inc.
- Electro-hydrostatic actuator4 Sep 2025US 2025/0277496 A1G. W. Lisk Company, Inc.
- Anti-reversion system, reed valve system, reed valve as anti-reversion apparatus, engine assembly, and methods of use7 Nov 2024US 2024/0369002 A1
- Electro-hydrostatic actuator7 Dec 2023US 2023/0392616 A1G. W. Lisk Company, Inc.
- Reed valve27 Jul 2023US 2023/0235827 A1Moto Tassinari, Inc.
Most cited
By later US patents
- Internal combustion engine83US 6,279,550 B12001
- Cold air super-charged internal combustion engine, working cycle and method69US 6,951,211 B22005
- Exhaust port control valve for two stroke engine38US 5,000,131 AYamaha Hatsudoki Kabushiki Kaisha · 1991
- Reed valves for internal combustion engines36US 4,696,263 APerformance Industries, Inc. · 1987
- Two-cycle engine with fuel injection33US 4,305,351 ABrunswick Corporation · 1981