A01B 3/30
Turn-wrest ploughs
A01B3/30 (Turn-wrest ploughs) appears on 3 US grants and 0 published applications in this corpus.
Search patents in A01B- Granted patents
- 3
- Published applications
- 0
- Assignees
- 1
- Inventors
- 4
- Latest grant
- 8 Sep 1987
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 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