B25B 13/486
Using a threaded connection between screw and tool
Official title: {using a threaded connection between screw and tool}
B25B13/486 (Using a threaded connection between screw and tool) appears on 7 US grants and 0 published applications in this corpus.
Search patents in B25B- Granted patents
- 7
- Published applications
- 0
- Assignees
- 2
- Inventors
- 8
- Latest grant
- 16 Oct 1990
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Bone screw fixation assembly, bone screw therefor and method of fixation16 Oct 1990US 4,963,144 A
- System to install a vandal-resistant screw31 Jan 1989US 4,800,787 A
- Locknut and key therefor10 Mar 1987US 4,648,293 AMcGard, Inc.
- Locknut and key therefor21 Oct 1986US 4,618,299 AMcGard, Inc.
- Nonslip fastener torquing system21 Aug 1984US 4,466,314 A
No published applications in this class yet.
Most cited
By later US patents
- Bone screw fixation assembly, bone screw therefor and method of fixation169US 4,963,144 A1990
- Locknut and key therefor30US 4,618,299 AMcGard, Inc. · 1986
- Nonslip fastener torquing system23US 4,466,314 A1984
- Locknut and key therefor21US 4,648,293 AMcGard, Inc. · 1987
- Theft prevention assembly for use with car wheels12US 4,161,896 AMonarch Machine Company, Inc. · 1979