F01L 5/04
Slide valve-gear or valve-arrangements: with cylindrical, sleeve, or part-annularly shaped valves
Official title: with cylindrical, sleeve, or part-annularly shaped valves
F01L5/04 (Slide valve-gear or valve-arrangements: with cylindrical, sleeve, or part-annularly shaped valves) appears on 80 US grants and 65 published applications in this corpus.
Search patents in F01L- Granted patents
- 80
- Published applications
- 65
- Assignees
- 37
- Inventors
- 98
- Latest grant
- 27 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 2 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 2 |
| 2007 | 1 | 5 |
| 2008 | 4 | 5 |
| 2009 | 1 | 4 |
| 2010 | 3 | 3 |
| 2011 | 2 | 1 |
| 2012 | 1 | 9 |
| 2013 | 6 | 4 |
| 2014 | 8 | 8 |
| 2015 | 6 | 2 |
| 2016 | 2 | 3 |
| 2017 | 2 | 4 |
| 2018 | 2 | 5 |
| 2019 | 3 | 4 |
| 2020 | 3 | 3 |
| 2021 | 4 | 1 |
| 2022 | 4 | 2 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Valve for an overhead cam engine and an overhead cam engine assembly27 May 2025US 12,312,982 B1
- Valve timing system and method8 Nov 2022US 11,492,933 B2
- Internal combustion engine valve system and method1 Nov 2022US 11,486,275 B2
- Combustion engine11 Oct 2022US 11,466,640 B2
- Intake and exhaust valve system for an internal combustion engine11 Jan 2022US 11,220,934 B2
- Internal combustion engine valve system and method28 Apr 2022US 2022/0127977 A1Lse R&D Engineering Limited
- Valve timing system and method28 Apr 2022US 2022/0127979 A1Lse R&D Engineering Limited
- Improved combustion engine4 Nov 2021US 2021/0340930 A1
- Run out tolerant reciprocating cylinder sleeve seal carbon scraper16 Jul 2020US 2020/0224563 A1Dana Automotive Systems Group, LLC
- Electric machine with non-contact interface9 Jul 2020US 2020/0217250 A1GE Aviation Systems LLC
Most cited
By later US patents
- Actuator valve114US 4,549,467 AWilden Pump & Engineering Co. · 1985
- Double valve mechanism for an acoustic modulator37US 4,893,655 AThe United States of America as represented by the Secretary of the Navy · 1990
- Internal combustion engine35US 7,559,298 B2Cleeves Engines Inc. · 2009
- Pneumatically actuated valve for internal combustion engines27US 7,140,332 B22006
- Valve apparatus for an internal combustion engine23US 7,263,963 B2JP Scope, Inc. · 2007