B21B 39/28
By means of guide members shaped to revolve the work during its
Official title: by means of guide members shaped to revolve the work during its passage
B21B39/28 (By means of guide members shaped to revolve the work during its) appears on 3 US grants and 0 published applications in this corpus.
Search patents in B21B- Granted patents
- 3
- Published applications
- 0
- Assignees
- 3
- Inventors
- 6
- Latest grant
- 2 Jun 1981
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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Most cited
By later US patents