F01L 2003/258
Opening away from cylinder
Official title: {opening away from cylinder}
F01L2003/258 (Opening away from cylinder) appears on 53 US grants and 51 published applications in this corpus.
Search patents in F01L- Granted patents
- 53
- Published applications
- 51
- Assignees
- 27
- Inventors
- 83
- Latest grant
- 8 Jul 2025
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 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 2 |
| 2008 | 3 | 4 |
| 2009 | 4 | 9 |
| 2010 | 2 | 5 |
| 2011 | 3 | 2 |
| 2012 | 4 | 6 |
| 2013 | 7 | 8 |
| 2014 | 3 | 4 |
| 2015 | 3 | 0 |
| 2016 | 2 | 3 |
| 2017 | 0 | 2 |
| 2018 | 1 | 0 |
| 2019 | 2 | 0 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
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- Internal combustion engine arrangement9 Jul 2020US 2020/0217244 A1Volvo Truck Corporation
- Compressed-air engine with an integrated active chamber and with active intake distribution27 Jul 2017US 2017/0211435 A1Motor Development International S.A.
- Inlet Valve Arrangement and Method for External-Heat Engine27 Jul 2017US 2017/0211509 A1Viking Heat Engines AS
Most cited
By later US patents
- Harmonic engine70US 7,603,858 B2Lawrence Livermore National Security, LLC · 2009
- Passive valve assembly64US 6,883,775 B2innogy SE · 2005
- Fast valve and actuator31US 6,170,524 B2The United States of America as represented by the Administrator of the Environmental Protection Agency · 2001
- Method and apparatus for holding a cylinder valve closed during combustion18US 5,615,646 ACaterpillar Inc. · 1997
- Split-cycle engine with disc valve17US 7,481,190 B2Scuderi Group, LLC · 2009