F01L 3/16
By means of a fluid flowing through or along valve
Official title: by means of a fluid flowing through or along valve, e.g. air
F01L3/16 (By means of a fluid flowing through or along valve) appears on 44 US grants and 35 published applications in this corpus.
Search patents in F01L- Granted patents
- 44
- Published applications
- 35
- Assignees
- 34
- Inventors
- 90
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 2 |
| 2012 | 1 | 2 |
| 2013 | 3 | 2 |
| 2014 | 0 | 2 |
| 2015 | 2 | 3 |
| 2016 | 3 | 2 |
| 2017 | 1 | 2 |
| 2018 | 1 | 1 |
| 2019 | 2 | 2 |
| 2020 | 3 | 6 |
| 2021 | 3 | 4 |
| 2022 | 5 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 2 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Poppet valve24 Feb 2026US 12,560,110 B2Eaton Intelligent Power Limited
- Hollow poppet valve and method of manufacturing8 Jul 2025US 12,352,188 B2Eaton Intelligent Power Limited
- Internal combustion engine with at least one hollow-head valve28 Nov 2023US 11,828,207 B2Mahle International GmbH
- Method for manufacturing engine poppet valve27 Dec 2022US 11,536,167 B2Nittan Valve Co., Ltd.
- Engine cooling system including cooled exhaust seats13 Sep 2022US 11,441,512 B2Cummins Inc.
- Systems and methods for engine valve cooling4 Sep 2025US 2025/0277461 A1Eaton Intelligent Power Limited
- Hollow poppet valve and method of manufacturing1 Aug 2024US 2024/0254900 A1Eaton Intelligent Power Limited
- Poppet Valve11 Jan 2024US 2024/0011567 A1Eaton Intelligent Power Limited
- Combustion-chamber structure of engine7 Oct 2021US 2021/0310401 A1Mazda Motor Corporation
- System for cooling exhaust valve of a reciprocating engine9 Sep 2021US 2021/0277810 A1Ai Alpine US Bidco Inc
Most cited
By later US patents
- Cooled engine valve20US 4,169,488 ACaterpillar Tractor Co. · 1979
- Mushroom valve housing with fluid coolant circulation for internal combustion engines16US 4,182,282 ASociete d'Etudes de Machines Thermiques S.E.M.T. · 1980
- Internal combustion piston engine10US 4,200,066 ASulzer Brothers Limited · 1980
- Low profile internal combustion engine9US 4,846,138 AAlto Automotive, Inc. · 1989
- Cooled exhaust valve and methods of manufacture thereof8US 3,945,356 ASociete d'Etudes de Machines Thermiques · 1976