F01L 5/02
Slide valve-gear or valve-arrangements: with other than cylindrical, sleeve or part annularly
Official title: with other than cylindrical, sleeve or part annularly shaped valves, e.g. with flat-type valves
F01L5/02 (Slide valve-gear or valve-arrangements: with other than cylindrical, sleeve or part annularly) appears on 39 US grants and 22 published applications in this corpus.
Search patents in F01L- Granted patents
- 39
- Published applications
- 22
- Assignees
- 16
- Inventors
- 39
- Latest grant
- 24 Oct 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 2 | 0 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 4 |
| 2008 | 3 | 1 |
| 2009 | 0 | 2 |
| 2010 | 1 | 3 |
| 2011 | 1 | 0 |
| 2012 | 2 | 2 |
| 2013 | 3 | 1 |
| 2014 | 1 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 2 |
| 2018 | 1 | 1 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 2 | 1 |
| 2023 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Motorcycle engine with an always spring biased open exhaust valve24 Oct 2023US 11,795,859 B2
- Motorcycle engine with an always spring biased open exhaust valve13 Dec 2022US 11,525,383 B2
- Reverse osmosis treatment system for recovering energy generated both at brine and permeate sides during sea water desalination26 Jul 2022US 11,395,990 B2Hitachi, Ltd.
- Motorcycle engine with an always spring biased open exhaust valve28 Apr 2020US 10,634,035 B2
- Reverse osmosis treatment system for recovering energy generated both at brine and permeate sides during seawater desalination1 Oct 2019US 10,427,101 B2Hitachi, Ltd.
- Motorcycle engine with an always spring biased open exhaust valve16 Feb 2023US 2023/0052834 A1
- Method for introducing highly precompressed combustion air into a combustion chamber of an internal combustion engine, high-pressure inlet valve therefor and internal combustion engine having such a high-pressure inlet valve24 Mar 2022US 2022/0090522 A1Erwin Junker Grinding Technology A.S.
- Motorcycle engine with an always spring biased open exhaust valve30 Jul 2020US 2020/0240313 A1
- Reverse osmosis treatment system7 Nov 2019US 2019/0336914 A1Hitachi, Ltd.
- Motorcycle engine with an always spring biased open exhaust valve4 Jan 2018US 2018/0003099 A1
Most cited
By later US patents
- Exhaust timing control device for a two-cycle engine46US 4,364,346 AYamaha Hatsudoki Kabushiki Kaisha · 1982
- Internal combustion engine comprising means for controlling the axial extent of an exhaust port in a cylinder31US 4,399,788 ABombardier-Rotax Gesellschaft m.b.H. · 1983
- Slide valve apparatus for internal combustion engine26US 4,765,287 A1988
- Valve apparatus for an internal combustion engine23US 7,263,963 B2JP Scope, Inc. · 2007
- Feed control by means of a flat slide valve18US 4,363,302 AKlockner-Humboldt-Deutz Aktiengesellschaft · 1982