F01L 5/22
Multiple-valve arrangements
Official title: Multiple-valve arrangements (with valves surrounding working cylinder or piston F01L5/08; with reciprocatory and other slide valves F01L5/18; specially for two-stroke engines F01L5/20)
F01L5/22 (Multiple-valve arrangements) appears on 2 US grants and 1 published applications in this corpus.
Search patents in F01L- Granted patents
- 2
- Published applications
- 1
- Assignees
- 1
- Inventors
- 2
- Latest grant
- 7 Nov 2006
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| Year | Granted patents | Published applications |
|---|---|---|
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
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