B28D 1/227
For cutting tubes
Official title: {for cutting tubes}
B28D1/227 (For cutting tubes) appears on 3 US grants and 0 published applications in this corpus.
Search patents in B28D- Granted patents
- 3
- Published applications
- 0
- Assignees
- 2
- Inventors
- 5
- Latest grant
- 11 Feb 1992
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
No published applications in this class yet.
Most cited
By later US patents