F01L 7/028
Having the rotational axis coaxial with the cylinder axis and the valve
Official title: {having the rotational axis coaxial with the cylinder axis and the valve surface not surrounding piston or cylinder}
F01L7/028 (Having the rotational axis coaxial with the cylinder axis and the valve) appears on 31 US grants and 10 published applications in this corpus.
Search patents in F01L- Granted patents
- 31
- Published applications
- 10
- Assignees
- 10
- Inventors
- 21
- Latest grant
- 8 Nov 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 2 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 2 |
| 2022 | 4 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
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- Rotating fuel injector assembly6 Nov 2018US 10,119,507 B1
- Valve timing system and method28 Apr 2022US 2022/0127979 A1Lse R&D Engineering Limited
- A rotary valve internal combustion engine14 Oct 2021US 2021/0317761 A1Rcv Engines Limited
- A rotary valve internal combustion engine16 Sep 2021US 2021/0285346 A1Kaaz Corporation
- Intake and Exhaust Valve System for an Internal Combustion Engine16 Jan 2020US 2020/0018196 A1Lse R&D Engineering Limited
- Self cooled engine26 Mar 2015US 2015/0083074 A1Anisun EcoTech P Ltd
Most cited
By later US patents
- Internal combustion engine with rotary valve assembly29US 5,000,136 A1991
- Internal combustion engine with rotary valve assembly having variable intake valve timing27US 5,474,036 AHansen Engine Corporation · 1995
- Variable orbital aperture valve system for fluid processing machines27US 5,558,049 A1996
- Rotary valve assembly23US 4,494,500 AHansen Engine Corporation · 1985
- Rotary valve internal combustion engine14US 5,579,734 A1996