F01L 1/285
Coaxial intake and exhaust valves
Official title: {Coaxial intake and exhaust valves}
F01L1/285 (Coaxial intake and exhaust valves) appears on 24 US grants and 5 published applications in this corpus.
Search patents in F01L- Granted patents
- 24
- Published applications
- 5
- Assignees
- 8
- Inventors
- 30
- Latest grant
- 13 Dec 2016
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 2 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 2 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Internal combustion engine13 Dec 2016US 9,518,482 B2
- Systems and methods for control of turbine-generator via valve deactivation in a split exhaust engine system13 Dec 2016US 9,518,506 B2Ford Global Technologies, LLC
- Internal combustion engine6 Dec 2005US 6,971,344 B2Honda Giken Kogyo Kabushiki Kaisha
- Intake and exhaust valve system15 Apr 2003US 6,546,902 B1Ax-Tec Pty. Ltd.
- Combination intake and exhaust valve assembly4 Mar 2003US 6,526,932 B1MNS Limited, LLC
- Coaxial valve system16 Oct 2025US 2025/0320827 A1
- Systems and methods for control of turbine-generator via valve deactivation in a split exhaust engine system12 May 2016US 2016/0131046 A1Ford Global Technologies, LLC
- Internal Combustion Engine3 Dec 2015US 2015/0345406 A1
- Lithium Conditioned Engine With Reduced Carbon Oxide Emissions1 Mar 2012US 2012/0048224 A1
- Internal combustion engine19 Feb 2004US 2004/0031454 A1Honda Giken Kogyo Kabushiki Kaisha
Most cited
By later US patents
- Systems and methods for control of turbine-generator via valve deactivation in a split exhaust engine system34US 9,518,506 B2Ford Global Technologies, LLC · 2016
- Vented valve mechanism for internal combustion engines19US 5,357,914 AACRO-Techn Inc. · 1994
- Combustion chamber for an internal combustion engine13US 4,893,592 A1990
- Vented valve for internal combustion engines12US 4,901,683 A1990
- Four-stroke piston engine11US 4,539,950 A1985