F42B 22/16
Using mechanical means
Official title: using mechanical means, e.g. plummet and float
F42B22/16 (Using mechanical means) appears on 2 US grants and 0 published applications in this corpus.
Search patents in F42B- Granted patents
- 2
- Published applications
- 0
- Assignees
- 2
- Inventors
- 5
- Latest grant
- 27 Dec 1994
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| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
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| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
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| 1994 | 1 | 0 |
By publication year. Applications have been published since 2001.
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