B21B 2031/072
Bearing materials
Official title: {Bearing materials}
B21B2031/072 (Bearing materials) appears on 4 US grants and 0 published applications in this corpus.
Search patents in B21B- Granted patents
- 4
- Published applications
- 0
- Assignees
- 3
- Inventors
- 4
- Latest grant
- 28 Aug 2001
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Hydrostatic bearing for a steel mill guide28 Aug 2001US 6,280,087 B1
- Cold rolling mill for metal strip13 Nov 1984US 4,481,800 AKennecott Corporation
- Sealing arrangement for a rotatable member6 Mar 1984US 4,435,096 AMesta Machine Company
- Bearing retaining and positioning means5 Oct 1982US 4,352,229 ABethlehem Steel Corporation
No published applications in this class yet.
Most cited
By later US patents