B21B 2269/08
Back-up roll bending
B21B2269/08 (Back-up roll bending) appears on 4 US grants and 0 published applications in this corpus.
Search patents in B21B- Granted patents
- 4
- Published applications
- 0
- Assignees
- 4
- Inventors
- 6
- Latest grant
- 12 Jan 1988
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for controlling edge taper in metal rolling mill12 Jan 1988US 4,718,262 AGeneral Electric Company
- Rolling device15 Nov 1983US 4,414,889 AEscher Wyss Limited
- Process for automatically controlling the shape of sheet metal produced in a rolling mill21 Apr 1981US 4,262,511 AReycan Research Limited
- Rolling mill25 Mar 1980US 4,194,382 AHitachi, Ltd.
No published applications in this class yet.
Most cited
By later US patents
- Process for automatically controlling the shape of sheet metal produced in a rolling mill22US 4,262,511 AReycan Research Limited · 1981
- Rolling mill15US 4,194,382 AHitachi, Ltd. · 1980
- Rolling device3US 4,414,889 AEscher Wyss Limited · 1983
- Method for controlling edge taper in metal rolling mill3US 4,718,262 AGeneral Electric Company · 1988