F22B 21/16
The lower drums being interconnected by further water tubes
Official title: the lower drums being interconnected by further water tubes
F22B21/16 (The lower drums being interconnected by further water tubes) appears on 2 US grants and 2 published applications in this corpus.
Search patents in F22B- Granted patents
- 2
- Published applications
- 2
- Assignees
- 2
- Inventors
- 4
- Latest grant
- 9 Oct 2012
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
By publication year.
Recent patents
Most cited
By later US patents