F01L 5/12
Arrangements with part-annularly-shaped valves
F01L5/12 (Arrangements with part-annularly-shaped valves) appears on 4 US grants and 3 published applications in this corpus.
Search patents in F01L- Granted patents
- 4
- Published applications
- 3
- Assignees
- 2
- Inventors
- 6
- Latest grant
- 22 May 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 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 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Reciprocating cylinder liner seal assembly22 May 2018US 9,976,452 B1Dana Automotive Systems Group, LLC
- Sealing of sleeve valves28 Apr 2015US 9,016,255 B2Pinnacle Engines, Inc.
- Valve system for opposed piston engines24 Aug 2010US 7,779,795 B2
- Intake valve of a supercharged two stroke engine16 Feb 1999US 5,870,982 A
Most cited
By later US patents