D01H 7/54
With fixed rings
Official title: with fixed rings
D01H7/54 (With fixed rings) appears on 2 US grants and 0 published applications in this corpus.
Search patents in D01H- Granted patents
- 2
- Published applications
- 0
- Assignees
- 2
- Inventors
- 2
- Latest grant
- 10 May 1988
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 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
No published applications in this class yet.
Most cited
By later US patents