F27B 9/086
With two or more fixed muffles
Official title: {with two or more fixed muffles}
F27B9/086 (With two or more fixed muffles) appears on 2 US grants and 0 published applications in this corpus.
Search patents in F27B- Granted patents
- 2
- Published applications
- 0
- Assignees
- 1
- Inventors
- 4
- Latest grant
- 3 Jan 1989
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
By publication year. Applications have been published since 2001.
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By later US patents