F01L 15/08
Valve-gear or valve arrangements: with cylindrical, sleeve, or part-annularly-shaped valves
Official title: with cylindrical, sleeve, or part-annularly-shaped valves; Such main valves combined with auxiliary valves
F01L15/08 (Valve-gear or valve arrangements: with cylindrical, sleeve, or part-annularly-shaped valves) appears on 14 US grants and 4 published applications in this corpus.
Search patents in F01L- Granted patents
- 14
- Published applications
- 4
- Assignees
- 7
- Inventors
- 15
- Latest grant
- 11 Oct 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 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 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 2 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
Most cited
By later US patents
- Slide valve27US 4,683,914 A1987
- Fluid supply distributor16US 4,040,338 ALogansport Machine Co., Inc. · 1977
- Electrically operated valve assembly for controlling a piston and cylinder construction, piston and cylinder assembly incorporating said valve, and self-contained system including pressurized fluid and hydraulic actuator16US 4,674,398 ATayco Developments, Inc. · 1987
- Electrically operated valve, piston and cylinder assembly incorporating said valve, and self-contained system including pressurized fluid and hydraulic actuator15US 4,548,041 ATayco Developments, Inc. · 1985
- Control valve9US 4,287,906 ASprague Devices, Inc. · 1981